Introduction to Biodegradable PE Garbage Bags

PE Garbage Bags are widely used for waste management due to their durability, flexibility, and low cost. However, traditional polyethylene (PE) bags are non-biodegradable, causing environmental pollution and landfill accumulation. To address these concerns, manufacturers have developed degradable or biodegradable versions of PE garbage bags. Achieving biodegradability involves modifying the chemical composition, incorporating additives, or blending with biodegradable polymers while maintaining sufficient strength for waste handling.

Oxo-Biodegradable Additives

One common method to achieve degradability is by using Oxo-biodegradable additives. These additives are mixed into the polyethylene resin during production. When exposed to heat, UV light, or oxygen over time, the additives initiate controlled oxidative degradation, breaking down long polymer chains into smaller fragments. Microorganisms can then further digest these fragments, eventually converting them into water, carbon dioxide, and biomass. This method allows the bag to function like conventional PE during use while becoming degradable after disposal.

Blending with Biodegradable Polymers

Another approach is blending polyethylene with biodegradable polymers, such as polylactic acid (PLA) or polybutylene adipate terephthalate (PBAT). These polymers are derived from renewable resources and are naturally degradable under composting conditions. By carefully balancing the blend, manufacturers can maintain mechanical strength for normal waste carrying while enabling decomposition under industrial composting or home composting conditions. This method produces a more environmentally friendly bag without sacrificing usability.

Controlled Composting Conditions

For PE Garbage Bags to degrade effectively, appropriate disposal and composting conditions are essential. Biodegradable or Oxo-biodegradable bags require exposure to heat, moisture, oxygen, and microbial activity. Industrial composting facilities provide controlled environments that accelerate degradation. Inadequate disposal, such as in landfills or water bodies, may slow or prevent breakdown. Therefore, proper labeling and disposal instructions are important to ensure the intended degradable performance.

Design and Material Considerations

Maintaining functional performance while achieving biodegradability requires careful design. Bag thickness, wall strength, and additive concentration must be optimized. Too many additives may weaken the bag during use, while insufficient concentration may slow degradation after disposal. Some manufacturers reinforce biodegradable PE bags with multi-layer films or specific formulations to balance durability and environmental benefits.

Environmental and Regulatory Factors

Biodegradable PE Garbage Bags are increasingly adopted due to environmental regulations and consumer demand. Many countries have introduced legislation limiting single-use plastics, encouraging the use of degradable alternatives. Compliance with international standards, such as ASTM D6400 or EN 13432, ensures that these bags meet verified biodegradability criteria and can be marketed as eco-friendly products.

Conclusion

The degradable performance of PE Garbage Bags is achieved through Oxo-biodegradable additives, blending with biodegradable polymers, and proper disposal in composting environments. Careful material design ensures functional strength while allowing environmental breakdown. By adopting these methods, manufacturers can produce PE garbage bags that reduce plastic pollution, support sustainable waste management, and meet regulatory and consumer expectations.

Colour: Various colors and transparent colors

Pattern: Customizable

Width: 10cm-60cm (customisable)

Height:10cm-60cm (customisable)

Thickness: 4 decimillimetre-8 decimillimetre (can be customized)

Material:PE

Process: Die-cutting

Product features: Waterproof and anti-corrosion, lightweight and easy to carry, low price, etc.

Application: Loading all kinds of domestic and industrial waste