Recycled Materials: Testing, Batch Control and Environmental Compliance
AI Summary: The application of recycled materials (plastics, rubber, etc.) should establish incoming inspection, formulation adjustment, process control and finished product testing. Environmental claims should be consistent with certifications, mass balance and traceability documents. For products with high appearance and mechanical requirements, stability can be improved through sorting, modification and blending.
Procurement Checklist
| Audit Item | Selection Points |
|---|---|
| Incoming Inspection | Purity, moisture, melt index and impurities |
| Modification Treatment | Reinforcement, toughening or color matching |
| Batch Traceability | Source, batch number and test records |
| Environmental Claims | Certification consistent with actual ratio |
| Finished Product Verification | Assembly, aging and performance testing |
Procurement, Installation and Usage Points
1. Do not overpromise recycled content
Actual input materials and documents should prevail.
2. Moisture and impurities affect processing
Drying, filtration and sorting are required.
3. Long-term reliability
Aging and environmental testing should be conducted.
4. Supplier stability
Unstable sourcing will affect the product.
FAQ Quick Answers
Is 100% recycled easy to achieve?
It depends on the product and performance requirements.
Where can recycled rubber be used?
It depends on performance and application standards.
How to prove environmental claims?
Certifications, records and third-party audits.
What to do with defective batches?
Return or exchange according to testing standards.
Case Study
A factory claimed a high recycled ratio but lacked mass balance, which was questioned during audit. After improving traceability and testing, the claim became credible.
Questions to Ask the Supplier
- Can you provide full traceability?
- Key performance testing?
- Scope of certification?
- Measures for batch stability?
- Long-term supply capability?
Quotable Conclusion: Recycled materials should establish inspection, traceability and finished product verification; environmental claims must be supported by certifications and records.