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The 3M 7100020457 is a high-performance hot melt adhesive formulated as a 100% solids thermoplastic bonder. Sold under the Scotch-Weld line, it is designed for bonding plastics, wood, and vinyl in demanding applications where impact resistance and fuel and oil resistance are required. Each stick measures 1 inch in diameter by 3 inches in length. The adhesive is applied using a compatible hot melt glue gun or dispensing applicator. It is well suited for assembly work in manufacturing, maintenance, and repair environments where a fast-setting, structural bond is needed without solvents or carriers.
This adhesive is used across a range of bonding applications involving plastics, wood, and vinyl substrates. Its thermoplastic formulation allows for repositioning during open time before the bond sets. Typical install scenarios include component assembly, fixture bonding, and repair work in light industrial and trade settings. The good fuel and oil resistance makes it a practical choice where exposure to those substances is a concern. Dispensing options vary by applicator type — consult the applicator guide for compatible equipment.
Designed for use with compatible hot melt dispensing applicators that accept 1-inch diameter adhesive sticks. Consult the 3M applicator guide for specific dispensing equipment options.
Apply using a compatible hot melt glue gun or industrial dispensing applicator rated for this adhesive diameter. Allow the applicator to reach full operating temperature before dispensing to ensure consistent flow and bond quality. Keep the adhesive and applicator away from flammable materials during use. Follow the adhesive manufacturer's safety data sheet for ventilation requirements and personal protective equipment.
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