Material Drying
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PETG dryer dew point too high, insufficient drying
Problem Phenomenon
The dehumidifying dryer dew point is too high (>-30°C), drying is insufficient.
Cause Analysis
The desiccant (molecular sieve) is ineffective or saturated, the regeneration system is faulty, and dew point detection is inaccurate.
Solution
Check and replace the desiccant; repair the regeneration system; ensure dew point ≤-40°C.
Key Takeaway
PETG drying effect depends on the dew point; dryer maintenance cannot be ignored.
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