Material Analysis
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Heavy Smoke in EVOH Processing
Fenómeno del problema
During EVOH processing, smoke and large amounts of volatiles escape from the vent
Análisis de la causa
Low molecular volatiles in EVOH evaporate at processing temperature; additive decomposition produces smoke; exhaust system insufficient
Solución
1) Reduce processing temperature to decrease volatilization; 2) Increase exhaust system capacity; 3) Select low-volatile raw material grade
Conclusión clave
Heavy smoke is caused by volatile evaporation; cooling and exhaust are key
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