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China Epoxy Glue Suppliers
Epoxy adhesive is formulated with polyurethane prepolymer modified epoxy resin (component A) and self-made curing agent (component B) in a ratio of 10:1 to 1:1 (weight ratio) to be resistant to high temperature and good toughness. , Reactive curing system. Among them, the polyurethane prepolymer is a hydroxyl-terminated polysiloxane and a diisocyanate reacted in a certain proportion under certain conditions to prepare an isocyanate group-terminated polysiloxane polyurethane prepolymer, and then the epoxy resin is treated with this polyurethane prepolymer. Modified. The self-made curing agent is composed of diamine, imidazole compound, silane coupling agent, inorganic filler and catalyst.