Material Drying
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PC/ABS product surface silver streaks
Problem Phenomenon
Silver streaks appear on the surface of PC/ABS products.
Cause Analysis
The PC component is sensitive to moisture; with insufficient drying and moisture >0.04%, PC hydrolyzes during processing to produce gas, forming silver streaks.
Solution
Dry at 80-95°C for 4-6h to moisture <0.04%, dew point ≤-30°C.
Key Takeaway
PC/ABS drying is the first checkpoint of surface quality.
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