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How Biodegradable Paper Cups Are ACTUALLY Made? | KaiLai Packaging

Biodegradable Paper Cup Production‌ 

FSC-certified paperboard is laminated with corn-derived PLA (polylactic acid) coating through heat-sealing process. The cups are then printed with soy-based inks and sterilized. Unlike conventional cups, this eco-friendly alternative decomposes within 3-6 months in commercial composting facilities through microbial action, while maintaining standard liquid-holding capacity. Major brands now adopt this technology to reduce plastic pollution.

June 17, 2025
How Biodegradable Paper Cups Are ACTUALLY Made? | KaiLai Packaging

Biodegradable paper cups may seem like simple everyday items, but their journey from raw materials to your hands involves a fascinating blend of science, sustainability, and innovation. Let’s demystify the process. 


 1. Sourcing Sustainable Materials The foundation of biodegradable cups lies in renewable resources. Most begin with FSC-certified paper pulp—sourced from responsibly managed forests or recycled paper waste. Unlike traditional plastic cups, these materials ensure minimal environmental impact from the start. 


 2. The Pulp-to-Paper Transformation The paper pulp is mixed with water to form a slurry, then pressed into thin sheets. Here’s the secret sauce: plant-based coatings (like PLA, derived from corn starch) replace petroleum-based plastics. These coatings make the cup leak-proof while ensuring it decomposes naturally. 


 3. Shaping and Strengthening The paper is cut into cup shapes and heated to bond the layers. Some brands add a biodegradable lining (e.g., algae-based or water-based polymers) to enhance durability without compromising compostability. No toxic glues—just heat and pressure! 


 4. Quality Checks and Packaging Each cup undergoes rigorous testing for leaks and strength. Finally, they’re stacked, wrapped in recyclable packaging, and shipped to cafes or retailers. 


 The Environmental Edge 

Unlike conventional cups that linger in landfills for centuries, biodegradable versions break down in 180 days or less in industrial composting facilities. Some can even decompose in home compost bins, though conditions vary. 


Not all “biodegradable” claims are equal. Look for certifications like BPI (Biodegradable Products Institute) or TÜV Austria’s OK Compost to ensure your cup meets true compostability standards. 


 Next time you sip from a biodegradable cup, remember—it’s not just a container, but a small step toward a greener planet.



FAQ

1.Where is your factory located? How can I visit there?
A: Our factory is located in Bengbu, Anhui, China with very convenient transportation access, We can arrange to pick you up to our company by car from the Hefei airport or Bengbu Nan Station. Warmly welcome you to visit our factory!
2.When can I get the price?
A: We usually quote within 24 hours after we receive you inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.
3.Are you manufactory or trade company?
A: Kailai is a fully integrated production system from paperboard manufacture, through PE lamination/PLA lining/PBS coating, offset printing and flexo printing, die cutting and forming. Our factory is ISO, BRC and BSCI certified.

About KaiLai Packaging

KaiLai is a fully integrated production system from paperboard manufacture, through PE lamination/PLA lining/PBS coating, offset printing and flexo printing, die cutting and paper packaging forming. We operate paper mill and food packaging facilities in AnHui, SiChuan and Tianjin. We are associating with famous brands like Coca Cola, KFC, Tesco, Master Kang and so on. Our factory is ISO9001, ISO22000, BRC and BSCI certifited and our products meet FSC, SGS, and EU standard. We have 18-year experience in food contact paper production and 10-year experience in food packaging manufacturing and export to diverse markets across six different continents, shipping billions of food packaging products from Port of Nanjing/Shanghai to markets throughout the world. We also commit to innovation. We have developed new design of cups to eliminate the plastic lids.


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