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[YLTpacking] Reasons and solutions for low peel strength of BOPP/CPP

Reasons and solutions for the low peel strength of BOPP/CPP When BOPP/CPP is compounded without solvent, the phenomenon of low peel strength sometimes occurs. The national standard requires the peeling force to reach 0.6N/15mm. For this structure, it can reach 1.0N/15mm or more in good cases, and sometimes as low as 0.3~0.4N/15mm. At the same […]

CategoriesIndustry News News

What is the effect of humidity and temperature on the curing of polyurethane adhesives?

What is the effect of humidity and temperature on the curing of polyurethane adhesives? 1. The influence of moisture on curing a. For moisture-curing polyurethane adhesives, sufficient absolute humidity must be maintained during use, so that the adhesive can obtain enough moisture to ensure complete curing. b. For two-component polyurethane adhesives Adhesive, too much moisture […]