3931 Reactive PUR Hot Melt Adhesive
3931
Overview
3931 Reactive PUR Hot Melt Adhesive
is a highly stable, medium-low viscosity adhesive designed for structural bonding in smartphones, acoustic devices, and automotive displays. With superior PC bonding performance, exceptional impact resistance, and high-temperature creep resistance, the 3931 hot melt adhesive ensures high-strength, long-lasting, and stable bonding, meeting the stringent requirements of premium electronic products.
Features
- Color: White to light yellow
- Viscosity: 2500 ~ 4000 Pa·s
- Density: 1.1 g/cm³
- Open Time: 3 ~ 10 minutes
- Hardness: 30D Shore
- Tensile Strength: 25 MPa
- Tensile Strength (PC/PC): 20 MPa
- Tensile Strength (PC/Aluminum): 5 Mpa
