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Description for 3M 2104D
A hard, two-part, polyurethane resin encapsulant designed especially for permanent splice protection. It is formulated for virtually every electrical application requiring a hard, non-reenterable resin with hard, non-reenterable resin with good handling and performance characteristics.Application Type Encapsulant 1 Part or 2 Part 2 Part Material Form Liquid Substrate Copper, Brass, Steel, Aluminum, Neoprene, Nylon, Vinyl Industry Electrical, Modern cable jackets, Potting printed circuit boards, Filling back shell connectors, Potting for motor repairs, Multi-core splices, Multi-core power cables, Potting junction boxes, Potting cable or wire encasements, Potting cable fittings & splices Manufacturer 3M Cure Method 2-Part Cure Cure Temperature (°C) 22, -4, 21, 20 to 25 Cure Time (min) Fast, <60, 1,200, 60 Viscosity (cPs) Low Color Green, Dark Green High Temperature Resistance (°C) 90, 130 Density (g/cm³) 0.596 (oz/in3)
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Set Time Test Methods
| Set Time | Set Temperature |
|---|---|
| 18 min | 23°C |
Tensile Strength Test Methods
| Tensile Strength | Test Method |
|---|---|
| 444 psi | ASTM D-412 |
General Bond Strength Test Methods
| General Bond Strength | Substrate | Test Method |
|---|---|---|
| 411.6(lb/in2) | Copper | |
| 285.1(lb/in2) | Brass | Metals,(3M TM-456) |
| 558(lb/in2) | Steel | Metals,(3M TM-456) |
| 207.03(lb/in2) | Aluminum | Metals,(3M TM-456) |
| 10.5(lb/in2) | Vinyl | Cable Jackets,(3M TM-457) |
| 140.8(lb/in2) | Neoprene | Cable Jackets,(3M TM-457) |
| >25.5(lb/in2) | Nylon | Cable Jackets,(3M TM-457) |
| 221.5(lb/in2) | XLPE | Cable Jackets(3M TM-457) |
Dielectric Constant Test Methods
| Dielectric Constant | Temperature | Test Method |
|---|---|---|
| 3.80 | 23°C | ASTM D-150, 1000 Hz |
| 4.59 | 23°C | ASTM D150 @ 60Hz |
| 6.80 | 90°C | ASTM D150 @ 60Hz |
Dielectric Strength Test Methods
| Dielectric Strength | Test Method |
|---|---|
| Electrical Insulating | |
| 524 V/mil | ASTM D149 |
Dissipation Factor Test Methods
| Dissipation Factor | Temperature | Test Method |
|---|---|---|
| 4.1% | 23°C | ASTM D-150, 1000 Hz |
| 0.00000 to 0.00000 9.1% | 23°C | ASTM D150, @ 60Hz |
| >200% | 90°C | ASTM D150, @ 60Hz |
Elongation Test Methods
| Elongation | Test Method |
|---|---|
| 98 % | ASTM D-412 |
Shore A Hardness Test Methods
| Shore A Hardness | Shore Hardness Test Method |
|---|---|
| 70 | ASTM D-2240 |
Density Test Methods
| Density | Test Method |
|---|---|
| 0.596 (oz/in3) |
Glass Transition Temp (Tg) Test Methods
| Glass Transition Temp (Tg) | Glass Transition Temperature (Tg) Test Method |
|---|---|
| -70°C | (By DTA) 3M test method |
