Corrugation Archives - Roshan Packages Limited https://www.roshanpackages.com.pk/category/corrugation/ Roshan Packages Limited. Best Packaging Manufacturers in Pakistan. Wed, 26 Jun 2024 12:36:44 +0000 en-US hourly 1 https://wordpress.org/?v=6.8 https://roshanpackages.com.pk/wp-content/uploads/2020/12/cropped-loo-32x32.png Corrugation Archives - Roshan Packages Limited https://www.roshanpackages.com.pk/category/corrugation/ 32 32 133843547 Roshan Packages Limited Wins Brand of the Year https://roshanpackages.com.pk/roshan-packages-limited-wins-brand-of-the-year/ Wed, 26 Jun 2024 12:33:14 +0000 https://roshanpackages.com.pk/?p=6573 We are thrilled to announce that Roshan Packages Limited has been awarded Brand of the Year in the category of Corrugated and Flexible Packaging Solutions by the Brand of the […]

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We are thrilled to announce that Roshan Packages Limited has been awarded Brand of the Year in the category of Corrugated and Flexible Packaging Solutions by the Brand of the Year Awards Pakistan!

This prestigious award is a testament to our unwavering dedication to establishing ourselves as Pakistan’s premier packaging solutions provider. Since our inception, Roshan Packages Limited has been committed to delivering top-notch packaging solutions that meet the diverse needs of our clients across various industries. This recognition underscores our relentless pursuit of excellence, quality, and innovation in the packaging sector.

Roshan Packages Limited has always strived to set new benchmarks in the industry. Our journey has been marked by continuous improvement and a steadfast commitment to providing our customers with packaging solutions that are not only high in quality but also environmentally sustainable. We understand the importance of adapting to the ever-evolving market demands and have consistently invested in advanced technologies and state-of-the-art facilities to ensure that we remain at the forefront of the industry.

The Brand of the Year award is not just an accolade; it is a reflection of the hard work, dedication, and passion of our entire team. From our research and development department to our production and customer service teams, every member of Roshan Packages Limited has played a crucial role in achieving this milestone. Their commitment to excellence has been the driving force behind our success, and we are immensely proud of their contributions.

This award also signifies the trust and confidence that our clients have placed in us. We are deeply grateful for their continued support and loyalty, which have been instrumental in our growth and success. At Roshan Packages Limited, we believe that our clients are our partners, and we are dedicated to fostering long-term relationships built on mutual trust and respect. Their success is our success, and we are committed to providing them with innovative and reliable packaging solutions that help them achieve their business goals.

Looking ahead, Roshan Packages Limited is more motivated than ever to push industry standards further in excellence and quality. We have ambitious plans to expand our footprint, both domestically and internationally, and to attain global recognition as a leader in the packaging industry. Our focus will remain on innovation, sustainability, and customer satisfaction as we continue to explore new opportunities and set higher standards for ourselves and the industry.

We invite you to follow our journey as we set out to revolutionize the packaging industry in Pakistan. Stay tuned for exciting updates, new product launches, and initiatives that reflect our commitment to excellence and our vision for the future. Together, with the support of our dedicated team and valued clients, we are confident that Roshan Packages Limited will continue to make significant strides in the packaging industry and beyond.

Thank you for being a part of our success story. We look forward to sharing many more achievements with you in the years to come.

Roshan Packages Limited – pushing the boundaries of packaging excellence!

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Roshan Packages Limited at Sustainability Conference https://roshanpackages.com.pk/roshan-packages-limited-at-sustainability-conference/ Thu, 07 Dec 2023 10:47:04 +0000 https://roshanpackages.com.pk/?p=6497 In a groundbreaking move towards sustainability, Roshan Packages Limited (RPL) proudly participated in the inaugural Sustainability Investment Expo, a key component of the 26th Sustainable Development Conference (SDC) organized by […]

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In a groundbreaking move towards sustainability, Roshan Packages Limited (RPL) proudly participated in the inaugural Sustainability Investment Expo, a key component of the 26th Sustainable Development Conference (SDC) organized by the Sustainable Development Policy Institute (SDPI). Here’s a snapshot of our impactful presence at this pioneering event.

Showcasing Sustainable Solutions

At the heart of the expo, RPL unveiled its commitment to sustainable packaging solutions. From eco-friendly materials to cutting-edge designs, our stall showcased how Roshan Packages Limited is leading the charge in environmentally responsible packaging practices.

Distinguished Visitors at the RPL Stall

Our stall garnered attention from esteemed dignitaries and industry leaders who recognized the importance of sustainable initiatives. Notable figures, including Senator Sherry Rehman Former Minister of Climate Change of Pakistan, Ms. Brigit Lamm Country Director Friedrich Naumann Foundation for Freedom Pakistan, Mr Bilal Anwar CEO National Disaster Risk Management Fund Pakistan and Mr. Najy Benhassine Country Director WorldBank engaged in insightful discussions, reinforcing the significance of corporate responsibility in the pursuit of a greener future.

Dynamic Interactions and Networking

RPL CEO Tayyab Aijaz Qureshi took the stage at the fireside chat titled 'Sustainable Consumption and Production and Green Jobs' with representatives from UNEP and other packaging companies

RPL actively participated in interactive sessions and networking opportunities, fostering connections with like-minded professionals and organizations. These engagements provided a platform to share our sustainable practices, gain valuable insights, and explore potential collaborations that align with our vision for a more sustainable and responsible future. Roshan Packages Limited’s CEO took the stage at the fireside chat titled ‘Sustainable Consumption and Production and Green Jobs’ with representatives from UNEP and other packaging companies. He highlighted RPL’s commitment towards sustainability and capacity building as well as highlighting the opportunity for Green Jobs as the country makes the Green Transition.

Moreover, our Corporate Affairs and Sustainability Manager Ms. Rija Tayyab was invited as a Panelist at the Sustainable Development Conference on the panel titled Sustainable Agriculture. She joined esteemed panelist such as Mr. Dr. Abid Qaiyum Suleri, SDPI Executive Director, Mr. Malik Amin Aslam Khan, former Minister of Climate Change, Mr. Zafar Masud, President The Bank of Punjab, and other notable leaders in sustainable agriculture. In addition to Roshan Packages Limited’s involvement in sustainable agriculture packaging and the importance of innovative technology in curbing food loss, she highlighted RPL’s initiatives to educate farmers and raise awareness about the proper packaging and transportation of fruits and vegetables as a means of reducing food loss.

Moreover she participated in a policy debate on Green Transition in South Asia, hosted by SDPI in collaboration with the World Bank. Addressing key issues from environmental pollution to the economic benefits of a Green Transition, our participation underscores our commitment to sustainable development. As well as representing Roshan Packages Limited at the Roundtable on 𝗣𝗹𝗮𝘀𝘁𝗶𝗰𝘀 𝗰𝗶𝗿𝗰𝘂𝗹𝗮𝗿𝗶𝘁𝘆; 𝘄𝗮𝘆 𝗳𝗼𝗿𝘄𝗮𝗿𝗱 𝗮𝗻𝗱 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 in collaboration with UN Environment Programme GO4SDGs. She joined distinguished panelists from the industry, academia and the UN such as Ms. Adriana Zacarias Farah from GO4SDGs UNEP, Mr. Khurram Shah from PepsiCo Pakistan : Ms. Aatekah Mir-Khan from Nestle Pakistan, Ms. Young-Ran Hur, UNEP, Mr. Ali Syed, CEO Ouroboros, Mr. Kashif Tipu, DC Larkana, Mr.Muhammad Bin Shahzad from Tetra Pak and Mr. Sahib Alam khan from WWF – Pakistan.

Looking Ahead: A Shared Commitment

Our participation in the Sustainability Investment Expo solidifies Roshan Packages Limited’s commitment to sustainable development. As we leverage the connections made and insights gained, we look forward to future collaborations that push the boundaries of innovation in sustainable packaging.

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Roshan Packages Limited’s Remarkable Presence at the 3P Expo https://roshanpackages.com.pk/roshan-packages-limiteds-remarkable-presence-at-the-3p-expo/ Wed, 08 Nov 2023 08:26:06 +0000 https://roshanpackages.com.pk/?p=6479 Roshan Packages Limited (RPL), a pioneer in the world of packaging and printing solutions, recently attended the 3P Expo, and what a remarkable event it turned out to be! Our […]

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Roshan Packages Limited (RPL), a pioneer in the world of packaging and printing solutions, recently attended the 3P Expo, and what a remarkable event it turned out to be! Our team had an electrifying day, showcasing our innovative solutions at the Expo. It was an honor to have our CEO, Mr. Tayyab Aijaz, and Executive Director, Mr. Saadat Eijaz, grace the event with their presence. Our Karachi Sales Teams for both Flexible and Corrugation were present along with our National Sales Manager and Regional Sales Manager. Our Head of Production along with our Head of Sustainability were also present to provide their expertise to existing and potential partners.

Eco-Friendly Packaging Takes Center Stage

Our stall at the Expo was buzzing with excitement as visitors from all walks of life explored our wide range of eco-friendly packaging products. In today’s world, sustainability is not just a buzzword; it’s a way of life. Roshan Packages Limited understands the importance of eco-conscious packaging solutions and has dedicated itself to making a difference.

Honorable Guest – Governor of Sindh, Mr. Kamran Tessori

We had the privilege of hosting the honorable Governor of Sindh, Mr. Kamran Tessori, as our Chief Guest. During the event, our CEO, Mr. Tayyab Aijaz, took the stage to introduce the rich legacy of service that Roshan Packages Limited has built over the years. He also highlighted our remarkable transformation in the packaging sector of Pakistan, impressing not only the attendees but also the Governor himself.

A Homegrown Success Story

Our journey, which began in Pakistan, has now expanded its reach to serve global FMCG giants. The milestones we have achieved in the packaging industry have truly surprised Mr. Kamran Tessori, the Governor of Sindh. Roshan Packages Limited’s commitment to excellence and innovation was on full display, and it was gratifying to see our accomplishments being recognized and celebrated at such a prestigious event.

International Support and Enthusiasm

The 3P Expo was not just a local affair; it attracted attention from foreign dignitaries as well. We were honored to receive support from esteemed foreign guests, including the Consulate General of the Sultanate of Oman in Karachi, Pakistan, H.E. Mr. Eng. Sami Abdullah Al Khanjari. Their presence underlines the international recognition of our efforts and the quality of our products.

The enthusiasm from visitors was overwhelming. The Roshan Packages Limited booth became a hub of innovation, where experts and enthusiasts came together to explore the latest trends and technologies in the packaging and printing industry.

Roshan Packages Limited’s participation in the 3P Expo was a resounding success. The event not only provided us with a platform to showcase our innovative solutions but also allowed us to connect with industry leaders, government officials, and international dignitaries. Our commitment to eco-friendly packaging, our remarkable journey, and our international recognition were all on full display. Roshan Packages Limited is not just a company; it’s a symbol of excellence in the packaging sector of Pakistan and beyond. We look forward to many more such opportunities to share our vision and innovative solutions with the world.

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Roshan Packages Limited September Newsletter https://roshanpackages.com.pk/roshan-packages-limited-september-newsletter/ https://roshanpackages.com.pk/roshan-packages-limited-september-newsletter/#comments Mon, 23 Oct 2023 11:19:47 +0000 https://roshanpackages.com.pk/?p=6458 From playing our part in the community by cleaning up Old Lahore to Industry- Academia Linkages, check out some September highlights below!

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From playing our part in the community by cleaning up Old Lahore to Industry- Academia Linkages, check out some September highlights below!

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The Importance of Sustainable Packaging for Brands: Why Your Business Should Prioritize the Environment https://roshanpackages.com.pk/the-importance-of-sustainable-packaging-for-brands-why-your-business-should-prioritize-the-environment/ https://roshanpackages.com.pk/the-importance-of-sustainable-packaging-for-brands-why-your-business-should-prioritize-the-environment/#comments Fri, 27 Jan 2023 07:34:02 +0000 https://roshanpackages.com.pk/?p=6320 As consumers become more environmentally conscious, the topic of sustainability in packaging has become an increasingly important conversation for businesses. Not only is sustainable packaging better for the environment, but […]

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As consumers become more environmentally conscious, the topic of sustainability in packaging has become an increasingly important conversation for businesses. Not only is sustainable packaging better for the environment, but it can also be beneficial for a brand’s reputation and bottom line.

One of the main reasons for the importance of sustainability in packaging is the impact it has on the environment. Traditional packaging materials, such as plastic and styrofoam, can take hundreds of years to degrade and can harm wildlife and ecosystems. In contrast, sustainable packaging materials, such as corrugated boxes and bioplastics, can be easily recycled or composted and have a much lower environmental impact.

According to a report by the World Wildlife Fund (WWF), the world produces over 300 million tons of plastic annually, with roughly 8 million of that ending up in our oceans. Plastic pollution is a major environmental concern and affects not only marine life but also terrestrial animals, and even human health. As a brand, it is important to understand the impact of your packaging on the environment and take steps to reduce that impact.

Another reason for the importance of sustainability in packaging is the impact it can have on a brand’s reputation. Consumers are becoming more aware of the environmental impact of their purchases and are looking for brands that align with their values. By using sustainable packaging, brands can demonstrate their commitment to environmental responsibility and attract conscious consumers.

According to a survey by Nielsen, 66% of global consumers are willing to pay more for products and services that come from companies that are committed to positive social and environmental impact. As a business, you can tap into this market by investing in sustainable packaging.

Sustainability in packaging can also be beneficial for a brand’s bottom line. Using sustainable packaging materials can help reduce costs associated with packaging materials and disposal. Additionally, by appealing to environmentally conscious consumers, brands can increase sales and gain a competitive advantage.

Corrugated boxes, for instance, are a great sustainable packaging option that can provide protection and cost-saving benefits. Corrugated boxes are made from renewable resources and are 100% recyclable and biodegradable. They are also lightweight and durable, making them an ideal packaging solution for businesses. Furthermore, corrugated boxes can be designed to be reusable, which can further reduce packaging waste and costs.

In conclusion, sustainability in packaging is not only important for the environment but also for the reputation and bottom line of a brand. As consumers become more environmentally conscious, brands that prioritize sustainability in packaging will be at an advantage. Corrugated boxes are a great sustainable packaging option that can provide protection and cost-saving benefits. Brands that invest in sustainable packaging will be able to appeal to environmentally conscious consumers and reduce their environmental impact. By taking action now, you can not only make a positive impact on the environment but also create a competitive advantage for your business.

Roshan Packages Limited is an environmentally friendly company that understands the importance of sustainability for your business. Reach us at info@roshanpackages.com.pk to receive a free packaging consultation.

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Day of the Girl Child at RPL https://roshanpackages.com.pk/day-of-the-girl-child-at-rpl/ Wed, 26 Oct 2022 15:24:35 +0000 https://www.roshanpackages.com.pk/?p=6296 The “International Day of the Girl Child” was celebrated at our Corrugation Plant. The focus of the day was to address the challenges girls face and to promote girls’ importance, […]

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The “International Day of the Girl Child” was celebrated at our Corrugation Plant. The focus of the day was to address the challenges girls face and to promote girls’ importance, education and empowerment.


At Roshan Packages we believe that ending all forms of discrimination against women is an important issue to discuss and acknowledge. Empowering girls is not only a basic human right, but it also has a multiplier effect across all other development areas. We must therefore give girls the tools they need to succeed – and create an environment that allows them to do so.


Participants were really inspired and they vowed to celebrate and invest in a girl’s future.

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Annual Report 2022: Towards a Circular Economy https://roshanpackages.com.pk/annual-report-2022/ Fri, 07 Oct 2022 14:16:31 +0000 https://www.roshanpackages.com.pk/?p=6254 Our cover, a crumpled piece of paper surrounded by lush leaves, represents the importance that we as a company place on waste as a solution to climate degradation. In particular, […]

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Our cover, a crumpled piece of paper surrounded by lush leaves, represents the importance that we as a company place on waste as a solution to climate degradation. In particular, we believe in reusing and recycling waste paper and paper products to create packaging solutions following the principles of a Green Circular Economy.

Pulp and paper is the 3rd largest industrial polluter of air, water, and soil and when it rots, it emits methane gas which is 25 times more toxic than CO2. Moreover, 42% of all global wood harvest is used to make paper i.e. paper production is one of the main causes of deforestation. Worse of all, demand for paper is expected to double before 2030.

However, the solution is simple and has been available for decades: recycling. Recycling 1 tonne of paper saves around 1400 liters of oil, 26,500 liters of water and 17 trees as well as combating pollution and climate change caused by deforestation. In an effort to highlight this solution and the importance RPL places on it, we have chosen this simple yet effective image to represent us this year.

As the climate crisis deepens, we must all, as consumers, producers and individuals, play our part. As companies set ambitious goals to use more recycled content in their packaging, there is more need than ever for partnerships and investments. Together, we must develop the infrastructure and processes that allow us to recover high-quality materials that can be used for recycled packaging, since Pakistan in particular lags behind the world.

In the linear economy, raw natural resources are taken, transformed into products and disposed off. On the other hand, a circular economy model aims to close the gap between the production and the natural ecosystems’ cycles, ultimately eliminating ‘waste’. Companies cannot create a circular economy on their own, and our stakeholders have an important role to play.

Conscious of our contribution to society and the environment, we seek to continually expand our horizons while keeping sustainability and diversity at the heart of our efforts. We hope that along with our stakeholders, we can participate in this program in order to re-use, reduce and recycle, ultimately playing our part in fighting against climate change.

Our strategy to make this a reality is closed-loop recycling model: a process where waste is collected, recycled and then used again to make the same product it came from. To stretch the use of recovered paper as a raw material in papermaking, it is imperative that paper is source segregated and collected from reliable sources. This means that every source plays a crucial part in the paper recycling and paper making process’s success and to achieve high recovery percentages of paper.

Through our collaboration, we hope that the used corrugated boxes we collect from supply chains, will be recycled and turned into new corrugated boxes in our packaging division, creating a real closed-loop solution for our customers. As one of the leading packaging companies in Pakistan, with over 20 years of experience in recycling and waste management, we will try our best to find a way to make 100% of the resources you send us into something useful once more. Thus, reducing waste sent to landfill and reducing the company’s impact on the environment.

Click here to download our Annual Report for 2022

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Corrugator Adhesive Components and their Importance https://roshanpackages.com.pk/corrugator-adhesive-components-and-their-importance/ Sun, 03 Jul 2022 01:18:27 +0000 https://www.roshanpackages.com.pk/?p=6241 There are a number of formulas for the production of corrugator adhesives and all of these adhesives have almost the same ingredients. These components are as follows; Water Starch Caustic […]

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There are a number of formulas for the production of corrugator adhesives and all of these adhesives have almost the same ingredients. These components are as follows;

  • Water
  • Starch
  • Caustic Soda
  • Borax
  • Steam
  • Water-resistant Resin

 Water

Water acts as a solvent for starch in adhesive. Water is the best option for solvent because it is readily available at inexpensive rates. Water is the biggest ingredient by volume in the adhesive. Water is heated in presence of heat to dissolve the starch in the water. One molecule of raw starch can absorb water up to 20 times its weight and it can swell in volume nearly 100 times. Water is a medium for starch to travel from glue kitchen to adhesive tank and to medium paper. Water evaporates at the time of bonding, leaving behind starch to gel within the liner and medium paper. 

 Starch

Starch is the main ingredient for the bonding of adhesive with medium and liner. Starch is known for its adhesive nature. It can be soluble in water with the assistance of heat and chemicals such as Caustic soda. The main role of starch starts when water evaporates, and it is left behind to stick itself with paper fiber. The starch molecule is made up of amylose and amylopectin. A higher concentration of amylose assists in faster penetration of starch molecules in the paper. Higher content of amylose will result in a high percentage of green bonds, which means that corrugators can run at high speeds. Usually, starch molecules have 25 percent amylose and 75 percent amylopectin. There are a number of sources for starch, starch can be extracted from wheat, corn, potatoes, and rice. Corn starch is usually preferred because of its uniform granular size and stability to caustic soda. 

Starch can be used in two different ways for manufacturing of adhesives. Some Corrugators use raw starch and carrier starch. In this process, carrier starch is first treated with caustic, heat, and water, and then added to raw starch. Modern-day Glue kitchen setup has eliminated these two steps and replaced them with a single starch process. In this process, all of the ingredients are added and mixed in a single tank and then transferred to a corrugator. This will be discussed later in detail in the glue process chapter.

Borax

Borax is a key ingredient in controlling the viscosity of adhesive. Borax is mined from the earth and exists in white granular powder. It provides a filmier structure so that adhesive can easily transfer to the applicator and doctor roll. It is acidic in nature; hence it provides neutralizing effect to caustic soda. Borax is also responsible for bonding within starch molecules and it ends up making a long chain of starch molecules. Borax is used for up to 0.7 % of total weight. There are two types of Borax; 5 mol and 10 Mol Borax. 10 MOL borax requires twice the amount of 5 MOL borax to achieve the same result. 

Caustic Soda

Starch particles swell in the presence of caustic soda. Caustic provides stickiness and stringiest to starch molecules. Caustic raises the PH value of the solution resulting in lowering the gel point of the adhesive. Caustic can be used in two forms. One is to use it in dry powder form and the other is to use it within an aqueous solution. The aqueous solution is used twice as compared as the dry form in terms of weight. Caustic Soda is quite hazardous; hence it should be handled with Personal protective equipment. 

Steam

Steam is the key component because it provides the optimum temperature for mixing the solution. Usually 40-43 degrees Celsius should be the temperature of the solution. Without steam we need a large amount of caustic soda to make the adhesive, this will increase the PH of the adhesive. 

Water Resistant Resin

Usually normal starch adhesive splits its bond as soon as they are exposed to moisture. Some of the customers need moisture-free packaging and for this, we use resin which acts as water resistant. Resin molecules develop cross-links with starch molecules because they won’t let starch molecules dissolve with water. A general rule of thumb is to add 100 lb of resin per 700 gal batch. Care should be taken because excess amount of resin will affect viscosity and gelatinization temperature 

-Haseeb Qausim Shift Engineer RPL

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Corrugated Boxes 101 https://roshanpackages.com.pk/corrugated-boxes-101/ Fri, 22 Apr 2022 10:08:27 +0000 https://www.roshanpackages.com.pk/?p=6223 There are numerous types of corrugated boxes, these types can be classified into three main categories. We will discuss more details in upcoming blogs. RSC (Regular Slotted Carton) HSC (Half […]

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There are numerous types of corrugated boxes, these types can be classified into three main categories. We will discuss more details in upcoming blogs.

  • RSC (Regular Slotted Carton)
  • HSC (Half Slotted Carton)
  • Die Cut carton
Myriad of designs

RSC is known as regular slotted cartons. These are the most commonly used cartons. This box is joined by using glue flaps and is further completed using tape or straps. The two outer flaps are 1/2 of the box width. These two outer flaps join each other at the center of the box.

HSCs are known as half-slotted cartons, they are the same as RSC boxes but with one side completely open. The other side has two length flaps and two width flaps. These boxes are usually used for storage purposes. It can also be used for beverage and food packaging. Two HSC cartons with one uncovered top and the other with uncovered bottom form Top Bottom packaging. This type of packaging is usually used for fruit packaging. This type of design provides additional strength to packaging.

The third type of corrugated box is known as the Die-cut carton. These types of boxes are customizable, these boxes can be designed to your desired shape and size. We use metal blades on the wooden die to cut customized shapes from plain corrugated sheets. We can make self-locked cartons from this technique. We can also make cartons that are jointed using glue and stitching. Die-cut boxes are used for pizza, burgers, home appliances, and ceramics. Some other examples are mailer boxes, food boxes, display boxes, jewelry boxes, etc. The die-cut technique helps you customize any type of product packaging. We can also replicate different products such as stationery organizers and display organizers with the help of die.

We can make a number of combinations of boxes from the above categories, depending upon the needs of our customers. We can use a single wall or double wall combination of paper for any category of corrugated boxes. Roshan Packages offers up to four color printing on the corrugated box. We have advanced machines from Sweden, China, and Germany to offer speedy and quality packaging for your product. We have the latest sample-making machine, we can offer you a sample design of any specification in the least time. We have box designers who can help you for choosing the best possible design for your product. We offer detailed lab tests on corrugated boxes. These tests include durability, strength, moisture, compression, and bursting.

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RPL’s Paper Standards https://roshanpackages.com.pk/rpls-paper-standards/ Wed, 30 Mar 2022 07:26:52 +0000 https://www.roshanpackages.com.pk/?p=6202 Paper is the backbone of Corrugation packaging. Paper quality can double the production of corrugated boxes or decrease production to half. This blog will explain the standards, challenges, and types […]

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Paper is the backbone of Corrugation packaging. Paper quality can double the production of corrugated boxes or decrease production to half. This blog will explain the standards, challenges, and types of paper for the paper vendors of Roshan Packages Ltd. We have done extensive R&D in the last two decades to set the proper standards for the incoming paper. We also employ an extensive list of standards for the incoming paper at RPL.

We perform the following tests on the incoming Paper at Roshan Packages Ltd;

  • Grammage check (g/m2)
  • Caliper test(micron)
  • Moisture (%)
  • Ash (%)
  • Bursting Strength (kg/cm2)
  • RCT MD (KG)
  • RCT CD (KG)
  • Cobb(g/m2)

Grammage check on the lab is done by digital weigh scale. This test ensures that the supplier has provided us with the right paper grammage—non-uniform grammage affects the strength of the corrugated box.

Bursting is the key to the strength of packaging. It shows the maximum pressure a paper can withstand before it raptures. We insert pressure in a perpendicular direction to the paper until it raptures. Bursting values varies according to paper quality. The Bursting value depends on the bonding forces as well as on the strength and fiber of the paper.

Burst Tester

Furthermore, ash content is an ongoing concern for packaging companies. It not only impacts packaging quality but also damages critical machinery parts such as corrugating rolls. Ash content decreases the fiber content in the paper, reducing the paper strength. It decreases the paper thickness as well as reduces the paper smoothness.

Next on our testing list is moisture percentage in upcoming papers. Higher moisture percentage will result in lower ECT (Edge Crush Test) and BCT (Box Compression Test). Higher moisture content can cause bubbling and warpage in corrugated sheets, and this will also cause misprinting on corrugated sheets.

A Cobb Test is used to examine the amount of water absorbed by the incoming paper. A set time period is used to test the water absorption in the paper. This characteristic helps us plan a suitable combination of paper according to customer product. In the case of high Cobb values, our paper will absorb a high amount of water and reduce its strength. In some cases, liner paper even separates itself from inner fluting, resulting in box breakdown.

The Ring Crush test determines the edge-wise compression on the incoming paper. This test examines the tension of the paper. In this test, we determine percentage elongation at maximum force for the incoming paper before it breaks. This test is done in Machine Direction and Cross Direction.

Paper caliper varies according to different qualities of paper, and if the paper caliper diverts from standards, it will affect the corrugated sheet durability.

Tensile Tester for RCT

We are working round the clock with the capability of consuming more than 200 tons of paper in a day, so here is the golden chance for our vendors to increase their business with RPL.

-Haseeb Qausim, Engineer, Roshan Packages Limited

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