Composite bags four reasons for broken bag

Composite packaging bag broken rate is one of the most important aspects of the product packaging eligibility, it chooses the packaging is workable. There were many influence the elements of composite bags torn bags, here, a professional flexible packaging producers packaging composite bags why can produce four reasons were analyzed, and the broken bag to let you know more about composite bags. 1, the peel strength of composite film assume that composite film peel strength is too low, force requirements, to meet the multi-layer composite material with good dispersion, cause you cannot do so in the process of falling, will cause broken bag. In addition, in the high temperature cooking bags, because of some adhesive poor heat resistance, especially in some complex structure ( Such as BOPAl5 / Al7 / CPP70) , when high temperature cooking, also causes in the sealing side of rupture, composite film delaminating phenomenon. 2, bag bag making process temperature is too high, cause the loss of heat sealing material around the area of the heat sealing performance, thus affect the compound bag bag broken rate; Bag making pressure is too large, resulting in heat sealing materials being squeezed out of heat sealing, FengMen heat sealing material drop, then cause bags torn bags in the fall. Heat seal bag making too sharp, or mechanical fly thorn, will damage the bag hot cutting edge, then torn bags phenomenon. 3 material must have sufficient thickness, material, thickness, will cause the strength of the composite membrane is not enough, then torn bags problem: pay attention to the join the reworked material in the material, will reduce the reworked material various aspects, to join too, the composite film strength is insufficient, then torn bags. In the process of PE film manufacturing, add the LLDPE and mPE in order to improve the strength and flexibility of PE, thereby reducing broken bag. Assumption in cold environment, the use of packaging, it is necessary to choose good low temperature resistance of packaging materials ( Such as BOPA) , to produce composite membrane, otherwise it will cause low temperature freezing environment, composite membrane embrittlement. 4, the influence of packing in the packing some weight or the powder, such as salt, washing powder, etc. , after filling out this item, before the heat sealing bag air out, should be to reduce the packaging the stress of the wall, let the solids loading directly, thus reducing the breakage of the bag.