Processing Machinery
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ETFE produces corrosive gas at high temperature
Problem Phenomenon
Irritating odor around equipment when processing ETFE
Cause Analysis
At processing temperature 300-330°C, ETFE slightly decomposes to produce hydrogen fluoride (HF); residence time too long
Solution
Strictly control temperature ≤330°C; shorten residence time; strengthen ventilation and waste gas treatment
Key Takeaway
Fluoropolymers at high processing temperatures need attention to HF release
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