Betaflex 69
Standard/Nonasbestos Gasket Material
Material Description:
Betaflex 69 is a cellulose fiber material with nitrile butadiene rubber binder. It has excellent tensile strength, crush resistance, and erosion resistance against high volume fluid flow and impingement. It is used primarily in automatic transmission valve body, pump, and accumulator/channel plate applications as well as typical engine sealing applications. It is intended for use in applications with short duration maximum temperatures up to 180°C (350°F).
Typical Properties
| Property | Value | Method |
|---|---|---|
| Density, g/cc(lb/cu.ft) | 1.00(62.4) | ASTM F 1315 |
| Compressibility, % (at 6.9MPa) | 13 | ASTM F 36 |
| Recovery, % | 54 | ASTM F 36 |
| Tensile Strength, AMD, MPa(psi) | 20.7 (3002) | ASTM F 152 |
| Fluid Resistance, IRM903 Oil | ASTM F 146 | |
| Change in Thickness, % | 2 | |
| Change in Weight, % | 26 | |
| Fluid Resistance, Fuel B | ASTM F 146 | |
| Change in Thickness, % | 6.5 | |
| Change in Weight, % | 26 | |
| Fluid Resistance, Distilled Water | ASTM F 146 | |
| Change in Thickness, % | 26 | |
| Change in Weight, % | 26 |
Remarks and Related Documents:
Typical values determined by the test methods required for ASTM F-104, Type 3 materials.
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