Material Analysis
11 조회수
Unstable shrinkage of EAA
문제 현상
The shrinkage of EAA products fluctuates ±0.8%, exceeding the ±0.2% requirement
원인 분석
Molecular weight differences between different batches of EAA cause shrinkage changes; processing temperature fluctuations affect crystallinity and thus shrinkage
해결 방법
1) Strictly control the consistency of raw material batches; 2) Stabilize the processing temperature ±2°C to ensure consistent crystallinity; 3) Reserve adjustment space for mold shrinkage compensation
핵심 요약
Unstable shrinkage is caused by batch differences and temperature fluctuations; raw material and temperature control are the key
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