Appendix B: General Properties and Data on Elastomers and Plastics 183 Table B17 Chemical and Oil Resistance of Silicone Rubber Percent volume change Acid 7 days, 24°C 10% Hydrochloric H
Trang 1Appendix B: General Properties and Data on Elastomers and Plastics 183
Table B17 Chemical and Oil Resistance of Silicone Rubber
Percent volume change
Acid (7 days, 24°C)
10% Hydrochloric
Hydrochloride
10% Sulfuric
10% Nitric
10% Sodium hydroxide
50% Sodium hydroxide
Acetone
Ethyl alcohol
Xylene
JP4 fuel
Butyl acetate
ASTM No 3 (7 days, 149°C)
Turbo oil 15 (Mil M7808) (1 day, 177°C)
Dimethyl siloxane, 500 CS (14 days, 205°C)
Alkali (7 days, 24°C)
Solvent (24 hr, 24°C)
Oils
+ I
+ 8
Nil +1 Nil +1 + 180
+5
+ 20
+ 10 Over 150
+6
+8
Nil
+2
+ 15
+S
+ 8
Nil
+9
+9
Over 150 Over 150 Over 150 +20 +50
30 Swells, deteriorates
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Trang 3Appendix
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Trang 5Appendix B: General Properties and Data on Elastomers and Plastics 187
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Trang 6188 Materials Selection Deskbook
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Trang 7Appendix B: General Properties and Data on Elastomers and Plastics 189
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Trang 8190 Materials Selection Deskbook
Trang 9Appendix B: General Properties and Data on Elastomers and Plastics