Extrusion & Post
10 조회수
Glass Fibre film blocking, difficult to separate layers
문제 현상
Glass Fibre film interlayer blocking, separation force >5N/15mm, automatic slitting machine cannot separate layers
원인 분석
Glass Fibre surface adhesion strong; film temperature too high >40°C during winding; low-molecular substances migrate to surface forming adhesive layer
해결 방법
1) Add 0.3-0.5wt% anti-blocking agent erucamide; 2) fully cool to <25°C before winding; 3) add 0.2wt% slip agent to synergistically reduce blocking; 4) reduce winding tension to reduce interlayer pressure
핵심 요약
Film blocking is caused by surface tackiness and high-temperature winding; anti-blocking agent and full cooling are effective countermeasures
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