The 3M Scotch-Weld 3731 Q hot melt adhesive is suitable for bonding plastics (including difficult-to-bond ones like PE or PP) to other materials. Creates joints with high temperature resistance. The adhesive can be precisely applied in dots or lines using a special hot melt extrusion gun. Technical specifications system: hot melt non-reactive adhesive base: polypropylene melting temperature: 220 °C temperature resistance: 130 °C UV resistance: very good moisture resistance: good chemical resistance: very good application: hot melt extrusion gun