Material Analysis
13 مشاهدة
Large smoke in PVA processing
ظاهرة المشكلة
During PVA processing, large amount of smoke and volatiles overflow from the vent
تحليل الأسباب
Low molecular volatiles in PVA evaporate at processing temperature; additive decomposition produces smoke; insufficient exhaust system
الحل
1) Lower processing temperature to reduce volatilization; 2) Increase exhaust system capacity; 3) Select low-volatility raw material grade
الخلاصة الأساسية
Large smoke is caused by volatiles evaporation; temperature reduction and exhaust are the key
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