Injection Molding
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Formaldehyde odor and irritation in POM processing
Problem Phenomenon
Strong formaldehyde pungent odor is produced during POM '2079851475616104452.
Cause Analysis
POM thermally decomposes at high temperature >210°C, releasing formaldehyde gas, especially when the barrel temperature is too high or residence is too long.
Solution
Strictly control barrel temperature at 190-210°C not exceeding 230°C; shorten residence time; strong exhaust ventilation; use formaldehyde scavenger.
Key Takeaway
POM formaldehyde decomposition is the most prominent environmental and safety issue in processing.
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