• 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.

    *See Terms of Use Below

    Application Type Encapsulant
    1 Part or 2 Part 2 Part
    Material Form Liquid
    Substrate Aluminum, Copper, Neoprene, Nylon, Steel, Brass, Vinyl
    Industry Electrical, Potting printed circuit boards, Filling back shell connectors, Modern cable jackets, Multi-core power cables, Multi-core splices, Potting cable or wire encasements, Potting cable fittings & splices, Potting junction boxes, Potting for motor repairs
    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)
  • Technical Data

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  • Best Practices

    *See Terms of Use Below

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Set Time Test Methods
Set Time Set Temperature
18 min 23°C
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)
Tensile Strength Test Methods
Tensile Strength Test Method
444 psi ASTM D-412
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