Why do Zhongshan garment bags sometimes tear at the seal?
Release time:2019-12-07
With the continuous progress of society, people's consumption level is also constantly improving, and consumers' requirements for garment bags are becoming increasingly higher. ， Various brands in the clothing and apparel industry are also constantly upgrading and improving their own brand garment bags. At the same time, the market demand for Zhongshan garment bags is also very large. Zhongshan garment bags have been widely used in clothing, apparel, shirts, knitting, textiles and other multiple industries. ， Commonly used garment bags include stand-up pouches and zipper bags and hanging bags and many other bag types. 。 However, if the packaging bag of a good product shows signs of tearing, it will have a negative impact on the product. Regarding Zhongshan garment bags and the tearing that occurs at the seal, today Shunxingyuan Packaging, a professional soft packaging manufacturer, combines years of experience in producing high-quality packaging bags to everyone specifically interpret and analyze the reasons for tearing of Zhongshan garment bags.
1、 Reasons related to the materials used in garment bags
garment bags Poor peel strength of the composite film used, that is, poor bonding strength between the individual layers of the composite film, easily leading to delamination of the composite film. When the heat sealing strength at the heat seal is high, under the impact of the packaged contents or under external pressure, delamination of the composite film is likely to occur at the heat seal, leading to garment bags rupture near the heat seal. This can be verified by burst pressure (positive pressure method) and peel strength tests.
2 Various hidden problems arising during production
If the parameters of the heat sealing equipment are improperly set, it is easy to lead to poor heat sealing quality, resulting in poor heat sealing (i.e., the heat seal is not tight and is easily separated) or excessive heat sealing (i.e., the heat sealing strength is too high, resulting in breakage at the root of the heat seal), which easily causes the heat seal to rupture. This can be verified by seal performance (negative pressure method) and heat sealing strength.
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