Polymer Systems
Technology Limited

Advanced Engineering

Defence:
Commercial Aviation:
Optoelectronics:
Electronics:

R-2940

Adhesives/Sealants,Thermally Conductive

High Strength Thermally Conductive Silicone

DESCRIPTION
  • Two-part, gray, thermally conductive silicone with high strength
  • Cure may be heat accelerated
  • 20:1 Mix Ratio (Part A:Part B)
APPLICATION
  • To provide heat transfer between electrical/electronic components and their heat sinks
  • Use to adhere integrated circuit substrates, base plates and heat sinks or where grooves or other configurations require a non-flowable to limited flow material
PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
Chemical ClassificationVMQ-
ColorGray-
ViscosityPaste-
Work Time at 25°C (77°F)5 hours-
Tack-Free Time at 25°C (77°F)24 hours-
Cured : Cured 30 min at 150°C (302°F)
Operating Temperature Range-85 to 465°F–65 to 240°C
Specific Gravity at 25°C (77°F)2.41-
Durometer, Type A90-
Tensile Strength700 psi4.8 Mpa
Elongation, %35-
Tear Strength, Die B65 ppi11.5 kN/m
Thermal Conductivity0.84 W/mk20 x 10-4 cal/cm sec °C
Dielectric Strength450 volt/mil17.7 kV/mm

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.

Packaging

1 Pint kit (1 kg)
1 Gallon Kit (8 kg)

Warranty

12 Months

Product Profile - Full Details Product Profile
Safety Data Sheet Material Safety Data Sheet

Biomaterials

Medical Silicones
Biomaterials - Medical Silicones for Healthcare

Advanced Technologies

Advanced Technologies Industrial & Engineering Silicones
Space - Aviation Grade Industrial & Engineering Silicones

Tubing

Food Medical Industrial Grade Silicone Tubing
Food, Medical & Industrial Quality Silicone Tubing

Equipment

Silicone Mixing Dispensing Degassing Equipment
Mixing Dispensing & Degassing Equipment for Silicone