Production & Quality
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Performance Decay of PBT Reinforced Material After Mechanical Recycling
Problem Phenomenon
After multiple mechanical recycling and re-pelletizing, the performance of PBT reinforced material continuously decays.
Cause Analysis
Each thermal history causes polymer degradation and glass fiber breakage and shortening; the decay of the average glass fiber length reduces the reinforcement effect.
Solution
Develop re-formulation of the recycled material with additional glass fiber and stabilizers; control the use ratio of recycled material; optimize the recycling process.
Key Takeaway
The performance decay of PBT reinforced material recycling requires systematic management.
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