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3M Scotch-Weld™ 3748 VO Hot Melt Adhesive
| Category | Polymer , Adhesive |
| Manufacturer | 3M |
| Trade Name | Scotch-Weld™ |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | 3M Scotch-Weld™ 3748 VO Hot Melt Adhesive.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Self-extinguishing version of 3748 and Meets UL 1410 requirementsInformation provided by 3M
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.09 g/cc | 0.0394 lb/in³ | |
| Viscosity | 3300 cP @Temperature 220 °C |
3300 cP @Temperature 428 °F |
|
| 5000 cP @Temperature 200 °C |
5000 cP @Temperature 392 °F |
||
| 8500 cP @Temperature 180 °C |
8500 cP @Temperature 356 °F |
||
| Brookfield Viscosity | 5500 cP @Temperature 191 °C |
5500 cP @Temperature 375 °F |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore D | 26 | 26 | ASTM D2240 |
| Shear Strength | 1.48 MPa | 215 psi | FR-24 to FR-4 |
| 1.52 MPa | 220 psi | PE to PE | |
| 1.72 MPa | 250 psi | PP to PP | |
| 1.90 MPa | 275 psi | On Douglas Fir | |
| 1.90 MPa | 275 psi | Firt to Fir | |
| Peel Strength | 2.63 kN/m | 15.0 pli | on canvas |
| 4.56 kN/m | 26.0 pli | Fir, 180° | |
| 4.73 kN/m | 27.0 pli | PE, 180° | |
| 6.14 kN/m | 35.0 pli | PP, 180° | |
| 6.66 kN/m | 38.0 pli | Wire Mesh to FR-4, 180° |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | -3.40 µm/m-°C @Thickness -2540 mm, Temperature >=-40.0 °C |
-1.89 µin/in-°F @Thickness -100 in, Temperature >=-40.0 °F |
|
| 15.4 µm/m-°C @Thickness -508 mm, Temperature >=25.0 °C |
8.56 µin/in-°F @Thickness -20.0 in, Temperature >=77.0 °F |
||
| Thermal Conductivity | 1.92 W/m-K | 13.3 BTU-in/hr-ft²-°F | |
| Flammability, UL94 | V-0 | V-0 | |
| Ring & Ball Softening Point | 152 °C | 306 °F | ASTM E28-99 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | 6.00e+17 ohm-cm | 6.00e+17 ohm-cm | ASTM D257 |
| Surface Resistance | 4.50e+17 ohm | 4.50e+17 ohm | |
| Dielectric Constant | 2.3 @Frequency 100 - 1.00e+8 Hz |
2.3 @Frequency 100 - 1.00e+8 Hz |
ASTM D149 |
| Dielectric Strength | 55.1 kV/mm @Thickness 0.279 mm |
1400 kV/in @Thickness 0.0110 in |
ASTM D149 |
| Dissipation Factor | 0.0010 @Frequency 1000 - 1.00e+8 Hz |
0.0010 @Frequency 1000 - 1.00e+8 Hz |
ASTM D149 |
| 0.0020 @Frequency 100 Hz |
0.0020 @Frequency 100 Hz |
ASTM D149 |
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