Dow 3120 RTV Silicone Rubber w/ 1 Catalyst 10:1 Datasheet Dow 3120 RTV Silicone Rubber w/ 1 Catalyst 10:1

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  • Description for Dow 3120 RTV Silicone Rubber w/ 1 Catalyst 10:1

    Low tear strength, high durometer, excellent heat stability.

    *See Terms of Use Below

    Application Type Mold-Making, Pot, Encapsulate
    1 Part or 2 Part 2 Part
    Material Form Liquid (Base), Paste (Catalyst)
    Substrate Aluminum foil, Paper, Metal, Plastic, Polyesters
    Industry Coils, Transformers, Electrical, Printed circuit boards, Electronic
    Manufacturer Dow
    Chemistry Silicone rubber surfaces
    Cure Method Base/Catalyst
    Cure Temperature (°C) 20 to 25
    Cure Time (min) 480
    Viscosity (cPs) 28,000, Pourable
    Color Red
    High Temperature Resistance (°C) 300
    Low Temperature Resistance (°C) -55
    Other Resistance Radiation
    Key Specifications Mil-Spec (United States Military Standard): MIL-S-23586
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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
20 to 25°C
Cure Time Test Methods
Cure Time Test Method
480 min
Viscosity Test Methods
Viscosity Test Method Temperature
28,000 cPs ASTM D 1084B 25°C
Pourable
Tensile Strength Test Methods
Tensile Strength Test Method
900 psi ASTM D 412, Die (C)
Dielectric Constant Test Methods
Dielectric Constant Temperature Test Method
4.19 25°C ASTM D 150, Using Dow Corning RTV Catalyst F or S at 10:1 base to catalyst ratio. Wide departures from normal 10:1 ratio may slightly alter physical properties such as hardness and elongation, 100 Hz
3.54 25°C ASTM D 150, Using Dow Corning RTV Catalyst F or S at 10:1 base to catalyst ratio. Wide departures from normal 10:1 ratio may slightly alter physical properties such as hardness and elongation, 100 KHz
Dielectric Strength Test Methods
Dielectric Strength Test Method
Good
Dissipation Factor Test Methods
Dissipation Factor Temperature Test Method
0.07000 25°C ASTM D 150, Using Dow Corning RTV Catalyst F or S at 10:1 base to catalyst ratio. Wide departures from normal 10:1 ratio may slightly alter physical properties such as hardness and elongation., 100 Hz
0.01700 25°C ASTM D 150, Using Dow Corning RTV Catalyst F or S at 10:1 base to catalyst ratio. Wide departures from normal 10:1 ratio may slightly alter physical properties such as hardness and elongation., 100 kHz
Thermal Conductivity Test Methods
Thermal Conductivity Temperature Test Method
0.31 W/m°K 25 to 100°C ASTM D 2214
Volume Resistivity Test Methods
Volume Resistivity Test Method
2.7e13 (ohms/cm) ASTM D 257, Using Dow Corning RTV Catalyst F or S at 10:1 base to catalyst ratio. Wide departures from normal 10:1 ratio may slightly alter physical properties such as hardness and elongation.
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method
60 ASTM D 2240
Elongation Test Methods
Elongation Test Method
1 % ASTM D 412
Specific Gravity Test Methods
Specific Gravity Temperature Test Method
1.450 25°C ASTM D 792A