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Hot Melt Adhesive
Hot melt adhesives exist in solid form and are classified by different types of raw materials.
Hot melt adhesives exist in solid form and are classified by different types of raw materials. Polyurethane (Polyurethane Hot Melt Adhesive) is a reactive type of hot melt adhesive for the base material.
: https://www.deepmaterialcn.com/hot-melt-adhesive.html