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CoolTherm® SC-1200 Thermally Conductive Silicone Gap Filler Where to Buy

Product Information

CoolTherm® SC-1200 thermally conductive silicone gap filler is a two-component system designed to provide excellent thermal conductivity for electronic applications, while retaining desirable properties associated with silicones.

Shelf Life

Shelf life of each component is six months from date of manufacture when stored at 15-30°C in original, unopened container. Cartridges should be stored tip down. Do not repackage or store material in unvented containers. 

Features and Benefits

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.

Uncured Typical Properties*

Mixed Appearance Gray Paste
Mixed Specific Gravity 2.9
Working Life, minutes @ 25°C 120
Cure Time 24 hours @ 25°C; or
60 minutes @ 120°C

Cured Typical Properties*

Volume Resistivity, ohmm-cm @ 25°C 1.4 x 1013
Thermal Conductivity, W/m·K 2.0
Hardness, Shore OO 82
Tensile Strength, MPa (psi) 0.31 (45)
Elongation at Break, % 60
Moisture Absorption, % <0.1
Cyclic Siloxane Content, ppm <200

*Data is typical and not to be used for specification purposes.
Cure schedule minimum of 24 hours at 25°C.


Download Type Name
Download Safety Data Sheet COOLTHERM SC-1200 RESIN
Download Safety Data Sheet COOLTHERM SC-1200 HARDENER
Download Technical Data Sheet CoolTherm SC-1200 Thermally Conductive Silicone Gap Filler

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