Extrusion & Post
5 görüntüleme
LDPE Film Blocking
Sorun Belirtisi
Two layers of the film roll stick together, bag opening is difficult, and there are white marks when torn apart.
Neden Analizi
Insufficient slip agent in LDPE film or insufficient blooming; large winding tension, high film temperature and high storage temperature aggravate blocking.
Çözüm
①Increase antiblock agent/slip agent; ②reduce winding tension; ③cool fully before winding; ④control warehouse temperature.
Temel Çıkarım
Blocking = joint treatment of additive + tension + temperature.
Bu faydalı oldu mu?
0 kişi bunu faydalı buldu
Geri bildiriminiz için teşekkürler!