Material Analysis
11 조회수
Large smoke in PVA processing
문제 현상
During PVA processing, large amount of smoke and volatiles overflow from the vent
원인 분석
Low molecular volatiles in PVA evaporate at processing temperature; additive decomposition produces smoke; insufficient exhaust system
해결 방법
1) Lower processing temperature to reduce volatilization; 2) Increase exhaust system capacity; 3) Select low-volatility raw material grade
핵심 요약
Large smoke is caused by volatiles evaporation; temperature reduction and exhaust are the key
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