Biodegradable Plastics Explained From PLA to PBAT
Biodegradable plastics such as PLA, PHA, PBS, and PBAT are becoming key alternatives to traditional plastics as global demand for sustainable packaging materials grows.
Types of Biodegradable Plastics
These include bio-based plastics like PLA and PHA, and petrochemical-based plastics such as PBAT, PBS, PCL, PPC, and PGA.
Material Properties Comparison
| Material | Tensile Strength (MPa) | Elongation (%) | Barrier Property | Degradation Rate | Industrialization |
|---|---|---|---|---|---|
| LDPE | 20-26 | 300-600 | High | No | Very High |
| PLA | 45 | 3 | Medium | Moderate | High |
| PHA | 30 | 10 | High | Fast | Low |
| PBAT | 20-30 | 820 | Low | Moderate | High |
| PBS | 33 | 400 | Medium | Fast | High |
| PGA | 340 | 15-35 | High | Very Fast | Low |
Applications in Packaging and Industry
Applications include food packaging, shopping bags, agricultural films, and e-commerce packaging.
For Dulink Pack, these materials are used in plastic packaging bags, paper bags, packaging boxes, wrapping paper, and stickers.
Application Fields by Material
| Material | Garbage Bags | Food Packaging | Agricultural Film | High Barrier Packaging | Medical Use |
|---|---|---|---|---|---|
| PLA | Yes | Yes | |||
| PHA | Yes | ||||
| PBAT | Yes | Yes | Yes | ||
| PCL | Yes | ||||
| PGA | Yes | Yes |
Need help choosing the right biodegradable packaging material? Contact Dulink Pack for expert advice.
Compliance with Global Standards
These materials comply with EN 13432, ASTM D6400, and OK Compost certification.
Market Trends
PLA and PBAT dominate the market due to scalability and cost advantages.
Challenges
High cost and performance limitations remain key challenges.
Future Outlook
Biodegradable plastics will play a key role in sustainable packaging and circular economy systems.