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What are the most common issues with brittleness in recycled plastic trash cans and how are they addressed?
Recycled plastic trash cans are an eco-friendly alternative, but they often face brittleness problems due to material degradation. The most common issues include:
1. UV Degradation: Prolonged sun exposure breaks down polymer chains, making plastic brittle. Solutions include adding UV stabilizers or using darker pigments to absorb less sunlight.
2. Contaminants in Recycling: Impurities like non-plastic residues weaken the material. High-quality sorting and cleaning during recycling can mitigate this.
3. Low Impact Resistance: Recycled plastics may lack flexibility. Incorporating impact modifiers (e.g., elastomers) during manufacturing improves toughness.
4. Thermal Stress: Temperature fluctuations cause cracking. Using thermally stable additives or thicker designs helps prevent this.
5. Moisture Absorption: Some recycled plastics absorb water, leading to brittleness. Proper sealing or hydrophobic coatings address this issue.
By addressing these challenges, manufacturers can produce durable, long-lasting recycled plastic trash cans, supporting sustainability without compromising quality.
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