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Chemical Resistance Of Silicone Rubber Chart

    VMQ FVMQ
Material Weight Change % Volume Change % Durometer Change Points Volume Change % Durometer Change Points
Acids
Nitric conc. +10 +10 -30 +5 0
Nitric 7 % <1 <1 -2 0 0
Sulfuric conc. Disintegrates Disintegrates
Sulfuric 10% <1 <1 -2 0 0
Acetic conc. +2 +3 -4 +20 -
Acetic 5% +4 +4 +8 - -
Hydrochloric conc. +1 +1 -6 +10 -5
Hydrochloric 10% +2 +4 -4 0 -5
Hydrochloric 3% <1 +1 -2 - -
Bases
Sodium hydroxide 20% <1 <1 -2 0 -5
Hydroxide 1% <1 <1 -4 0 0
Ammonium hydroxide conc. +2 +2 -4 +5 -5
Ammonium hydroxide 10% +3 +2 -6 0 0
Salts
Sodium chloride 10% <1 <1 -2 - -
Sodium carbonate 2% <1 <1 0 - -
Solvents
Ethyl alcohol +5 +6 -10 +5 0
Acetone +5 +15 -15 +180 -20
Toluene +75 +120 -30 +20 -10
Gasoline, regular +65 +130 -25 +20 -12
Gasoline, aviation +60 +110 -30 +10 -5
Mineral spirits +65 +110 -30 0 0
Carbon tetrachloride +130 +110 -25 +20 -5
Hydraulic Fluids
Hollingshead H-2 +4 +5 -10 - -
Hollingshead H-2 +9 +12 -15 - -
Skydrol +4 +4 -8 +25c -10
Skydrola +7 +8 -10 - -
PRL3161 +5 +7 -8 - -
PRL3161a +9 +9 -15 - -
Oils
Castor oil <1 <1 -4 - -
Lard oil <1 <1 -4 - -
Linseed oil <1 <1 -2 - -
Mineral oil +5 +6 -6 - -
ASTM #1 oilb +3 +5 -6 0 -5
ASTM #3 oilb +20 +31 -20 +5 -5
Silicone oil SF96 (100)b +25 +35 -25 0 -5
Silicone oil 42,000 cstk.b +9 +10 -12 0 -5
Other          
Water <1 <1 <1 0 0
Hydrogen peroxide 3% <1 <1 <1 0 0
Pyranol 1476 +4 +4 -8 - -
a70 hr @ 212° F 100° C.
b70 hr @ 300° F 149° C.
c7 days 128f (49
° C).

VMQ data from General Electric Silicones Technical Data Book S-1E.
Data on FVMQ from Dow Corning Bulletin 17-052.
Courtesy: W. Lynch, Handbook of Silicone Rubber Fabrication; Van Nostrand; Reinhold Company, New York, 1978.

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