CoolTherm® SC-3500 Thermally Conductive Silicone Gap Filler | Product Series

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CoolTherm® SC-3500 Thermally Conductive Silicone Gap Filler

CoolTherm® SC-3500 Thermally Conductive Silicone Gap Filler

CoolTherm® SC-3500 thermally conductive, low volatile silicone gap filler is a two-component system designed to provide excellent thermal conductivity for electronic applications, while retaining desirable properties associated with silicones.

Technical Specifications

  • Color: Off-White Paste (resin), Pink Paste (hardener), Light Pink Paste (mixed)
  • Number of Components: Two-Component (2K)
  • Dynamic Viscosity: 114000 cP @ 25°C (resin), 80000 cP @ 25°C (hardener)
  • Specific Gravity: 3.3 (resin), 3.3 (hardener), 3.3 (mixed)
  • Hardness: 80 Shore 00
  • Thermal Conductivity: 3.5 W/m-K
  • Dielectric Strength: 6.3 kV/mm, 161 V/mil
Safety Warning

Full Product Description

CoolTherm® SC-3500 thermally conductive, low volatile silicone gap filler is a two-component system designed to provide excellent thermal conductivity for electronic applications, while retaining desirable properties associated with silicones.


Features and Benefits:

• Low Volatility – low volatile content minimizes outgassing.

• Low Stress – exhibits low shrinkage and stress on components as it cures.

• Durable – composed of an addition-curing polydimethyl siloxane polymer that will not depolymerize when heated in confined spaces.

• Environmentally Resistant – provides excellent thermal shock resistance.

• UL Rated – provides excellent flame retardancy; UL 94 V-0 certified.


Shelf Life/Storage:

Shelf life is nine months for CoolTherm SC-3500 resin and five months for CoolTherm SC-3500 hardener when stored upon receipt at 5-30°C in original, unopened container. Cartridges should be stored tip down.

CoolTherm SC-3500 gap filler evolves minute quantities of hydrogen gas. Do not repackage or store material in unvented containers. Adequately ventilate work area to prevent the accumulation of gas.

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Products Trade Name
CoolTherm SC-3500 CoolTherm SC-3500 Thermally Conductive Silicone Gap Filler

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