Material Analysis
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Strong Odor in EVOH Processing
Problem Phenomenon
Obvious pungent odor in EVOH processing workshop
Cause Analysis
EVOH releases odorous volatiles at processing temperature (such as acetic acid, formaldehyde, etc.); additive decomposition releases odor
Solution
1) Control processing temperature within EVOH recommended range to reduce decomposition; 2) Strengthen workshop ventilation and exhaust; 3) Add absorbent to neutralize odor
Key Takeaway
Strong odor is caused by EVOH decomposition and volatilization; temperature control and ventilation are key
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