Material Drying
4 조회수
Silver streaks and bubbles in products due to insufficient pellet drying
문제 현상
Injection and extrusion products show silver streaks and bubbles, transparency decreases, and mechanical properties decrease
원인 분석
Moisture absorption is 0.04%, but the high processing temperature causes hydrolysis
해결 방법
Dehumidifying drying at 120-130C for 4-6h, dew point <-30C
핵심 요약
Sufficient drying is required before processing
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