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
Product Overview
| Product Code | Color | Viscosity mPa·s |
Density g/cm³ |
Pot Life min |
Hardness Shore |
Tensile Strength MPa |
PC/PC Tensile Shear Strength MPa |
PC/Al Tensile Shear Strength MPa |
|---|---|---|---|---|---|---|---|---|
| 3913 | White to pale yellow | 2000 ~ 4000 | 1.1 | 3 ~ 7 | 30D | ≥8.0 | 8 | 4.5 |
| 3930 | White to pale yellow | 2000 ~ 5000 | 1.1 | 3 ~ 10 | 30D | ≥8.0 | 8 | 4.5 |
| 3931 | White to pale yellow | 2500 ~ 4000 | 1.1 | 3 ~ 10 | 30D | 25 | 20 | 5 |
| 3950RS | Light yellow | 1300 ~ 3300 | 1.05 | >10 | 60A | 13 | 10 | 4 |
| 3951 | Light yellow | 2500 ~ 4500 | 1.05 | >10 | 80A | 16 | 10 | 4 |
| 3952 | Light yellow | 800 ~ 1500 | 1.1 | >10 | 50A | 13 | 10 | 7 |
| 3953 | Light yellow | 4000 ~ 5000 | 1.1 | >10 | 35D | 10 | 10 | 4 |
| 3954 | Light yellow | 4000 ~ 5000 | 1.1 | >10 | 85A | 18 | 15 | 4 |
| 3962 | White to pale yellow | 7000 ~ 10000 | 1.1 | 2 ~ 4 | 30D | ≥8.0 | 11.5 | 4 |
| 3983 | White to pale yellow | 7000 ~ 10000 | 1.1 | 1 ~ 3 | 45D | 10 | 6 | 4 |
Features
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Specifications
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