Polymer Systems
Technology Limited
Advanced Engineering
Defence:
Commercial Aviation:
Optoelectronics:
Electronics:
R-2949
Adhesives/Sealants,Thermally Conductive
Thermally Conductive Silicone
DESCRIPTION
- Two-part, white, thermally conductive silicone
- Cure may be heat accelerated
- 15:1 Mix Ratio (Part A:Part B)
APPLICATION
- To provide heat transfer between electrical/electronic components and their heat sinks
- For use in extreme low temperature applications
- Use for adhering openings in modules and housing where grooves or other configurations require a limited flow material with moderate thermal conductivity
| Typical Properties | Average Result | Metric Conv. |
| Uncured: | ||
| Appearance | White | - |
| Viscosity, Part A | 75,000 cP | 75,000 mPas |
| Work Time | 3.5 hours | - |
| Cured : Cured 30 min at 150°C (302°F) | ||
| Durometer, Type A | 75 | - |
| Tensile Strength | 275 psi | 4.8 MPa |
| Elongation | 50% | - |
| Tear Strength | 45 ppi | 7.9 kN/m |
| Thermal Conductivity | 0.75 W/mk | 18 x 10-4 cal/cm-sec-°C |
| Dielectric Strength | 920 Volts/mil | 36.2 kV/mm |
| Operating Temperature Range | -178 to 500°F | -115 to 265°C |
Recommended Primer CF1-135
Note: Some bonding applications may require the use of a primer.
Packaging
1 Pint Kit (503 g)
1 Gallon Kit (4.04 kg)
Warranty
6 Months
Product Profile
Material Safety Data Sheet EU EN
Biomaterials
Biomaterials - Medical Silicones for Healthcare
Advanced Technologies
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Tubing
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Equipment
Mixing Dispensing & Degassing Equipment for Silicone
Biomaterials
Advanced Technologies
Tubing
Equipment