Material Analysis
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Large odor in PVA processing
Fenómeno do problema
Obvious irritating odor in the PVA processing workshop
Análise das causas
PVA releases odorous volatiles (such as acetic acid, formaldehyde, etc.) at processing temperature; additive decomposition releases odor
Solução
1) Control processing temperature within the PVA recommended range to reduce decomposition; 2) Strengthen workshop ventilation and exhaust; 3) Add absorbent to neutralize odor
Conclusão principal
Large odor is caused by PVA decomposition and volatilization; temperature control and ventilation are the key
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