3MTM Hot Melt Adhesive 3738 is a tan-colored, general-purpose thermoplastic adhesive that delivers high delivery rates and a long bonding range for versatile industrial applications. This adhesive provides fast, durable bonds to foundry sand cores, wood, corrugated materials, selected plastics, and chipboard. Dispensing at temperatures up to 400 °F with a viscosity of 2,875 CPS at 375 °F, it offers excellent performance across multiple substrates with a 50-second open time for precise positioning.