Material Analysis 7 visualizações

Heavy smoke in PU processing

Fenómeno do problema

During PU processing, smoke and large amounts of volatiles overflow from the vent

Análise das causas

Low molecular volatiles in PU evaporate at processing temperature; additives decompose producing smoke; exhaust system insufficient

Solução

1) Lower processing temperature to reduce volatilization; 2) Increase exhaust system capacity; 3) Select low-volatility raw material grade

Conclusão principal

Heavy smoke is caused by volatiles evaporation; temperature reduction and exhaust are key

PU processing smoke volatiles exhaust system temperature reduction

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