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Fluorosilicone Rubber combines most of the mechanical properties and thermal stability of silicone rubber with excellent resistance to petroleum oils and fuels, di-ester synthetic lubricants and silicone oils. It is also moderately resistant to aromatic hydrocarbons and halogenated hydrocarbons.
Sample compound information: 10-1903-70
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General Information for Fluorosilicone Rubber
| Compound Series: |
10-1900 to 10-1999 |
| Temperature Range (F): |
-80° to +350° |
| General Properties: |
Slightly narrower temperature range than silicone rubber, but much better resistance to a variety of fluids. |
| Most Common Applications: |
Aircraft fuel system O-Rings
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Relative Properties of Fluorosilicone Rubber
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Fluorosilicone Rubber
10-1903-70: One of a series of similarly-numbered compounds ranging in hardness from 50 to 80. Temperature range -80°F to +400°F in fluids or -80°F to +450°F in air.
| Compound Number: |
10-1903-70 |
| Use with: |
Petroleum oils
Gasoline
Jet fuel
Synthetic jet engine lube oil
MIL-L-7808
Toluene
Alcohol
Silicone oil
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| Do not use with: |
Acetone
Ethyl acetate |
| Temperature Range (F): |
-80° to +350° |
| Military Drawing Numbers: |
M 25988/1 |
| Color: |
Blue |
| Comments: |
Meets spec. MIL-R-25988, Class 1, Grade 70 |
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