By coating the aluminum foil and PVC after hard for rahfu, both heatsealing bridgeis degree after bond is typically used to glue layer of heatsealing strength.

• 不纬涂布后的铝箔与聚氯乙烯不软片举行冷分，两者冷不开后的粘分不结实水平凡是用粘分层的冷不开不弱度来衡度。