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Understanding the Future of Plastics: Mechanical vs. Chemical Recycling

2023-11-13

 

Understanding the Future of Plastics: Mechanical vs. Chemical Recycling

At Sunta Chemical Limited, we're dedicated to providing our esteemed clients with insights into our evolving product offerings. This post will highlight the differences between two major types of Post-Consumer Recycled (PCR) products: traditional "Mechanical Recycled PCR Plastic" and our new "Chemical Recycled PCR Plastic."

A GIF that demonstrates the difference of chemical recycling and mechanical recycling. 2 bottles one filled with mechanisms, and one filled with a chemicals flask

Mechanical Recycling

Mechanical recycling, the most common method in the recycling industry, involves sorting, washing, and melting plastic waste into reusable pellets. This energy-efficient process significantly reduces carbon emissions and the overall carbon footprint. By manufacturing Mechanically Recycled Plastic (MR-PO), we can reduce carbon emissions by over 70% compared to the production of virgin plastics.

Our mechanical recycling product offerings include rPP, rABS, rPC, rPC/ABS, and rHIPS. Despite its many advantages, mechanical recycling does present some drawbacks. When plastics are mechanically recycled multiple times, their quality can degrade due to the shortening of polymer chains. This results in a slight reduction in quality, making mechanically recycled plastics more suitable for non-sensitive applications.

A graph that demonstrates the recycling proccess of Mechanical Recycled PCR

Advantages of Mechanical Recycling:

  1. Energy Efficient: The process uses less energy compared to chemical recycling.
  2. Repeatable: The same plastic can be mechanically recycled multiple times.
  3. Significant Reduction in Carbon Emissions and Carbon Footprint: The exceptional energy efficiency of MR-PO manufacturing can significantly reduce a company’s carbon footprint.
  4. Holds Multiple International Certifications: Our products hold GRS, TUV, UL certifications, ensuring quality assurance and enabling us to sell to almost all countries worldwide.

Disadvantages of Mechanical Recycling:

  1. Quality Degradation: Over time, the plastic's quality can degrade due to the shortening of polymer chains during the recycling process.
  2. Limited Applications: Mechanically recycled plastics are more suited for non-sensitive applications due to quality concerns.

Chemical Recycling

Chemical recycling, though more complex and energy-intensive, overcomes the limitations of mechanical recycling. This method breaks down plastic waste back to its original molecular components, enabling the production of high-quality plastic comparable with virgin materials.

Our chemical recycling offerings include PP, HDPE, and LDPE. These products meet the stringent quality standards required in industries such as food packaging and hygiene. They're also ideal for sensitive applications like film production, where the quality of plastic is crucial.

The primary advantage of chemical recycling is its ability to overcome the degradation issues associated with mechanical recycling.

A graph that demonstrates the recycling proccess of Chemical Recycled PCR

Advantages of Chemical Recycling:

  1. High-Quality: The recycled plastics produced are comparable to virgin materials in terms of quality.
  2. Holds Multiple International Certifications: Our products hold GRS, ISCC Plus certifications, ensuring quality assurance and enabling us to sell to almost all countries worldwide.
  3. Broader Applications: Ideal for industries with strict quality standards like food packaging and hygiene, and sensitive applications like film production.
  4. Overcomes Degradation: The process can overcome the degradation issues associated with mechanical recycling.

Disadvantages of Chemical Recycling:

  1. Energy Intensive: The process requires more energy compared to mechanical recycling.
  2. Complexity: The process is more complex and requires more advanced technology and expertise.

At Sunta Chemical Limited, we're proud to introduce our new "Chemical Recycled PCR Plastic". This method aligns with our sustainability goals by providing high-quality recycled plastics and reducing our environmental impact. We do not offer any products for single-use plastic items, further demonstrating our commitment to sustainability.

Transitioning from virgin plastic to recycled plastic may bring up questions. Our team is ready to guide you through this transition, offering necessary support and information.

Together, we can make a significant impact and pave the way towards a more sustainable future. Thank you for your continued trust and support in Sunta Chemical Limited as we stride towards a greener future in the plastic industry.