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