Mechanical Power Transmission S-Flex Couplings Chemical Resistance Sleeve and Flexible Element Chemical Resistance Chart. 28 www.jbj.co.uk/s-flex-couplings.html #DriveLineHarmony Resistance to NBR (”SOX”) Urethane Hytrel EPDM Neoprene Acetone C C B A B Ammonia Anhydrous - - - A A Ammonium Hydroxide Solutions C C A A A(70°C / 158°F) ASTM Oil No.1 A A A C A ASTM Oil No.3 A B A C B - C (70°C / 158°F) ASTM reference fuel A A A A C B ASTM reference fuel B A B A C C ASTM reference fuel C B C B C C Benzene C C B C C Butane A A A C A Carbon Tetrachloride C C C C C Chlorobenzene C C C C C Chloroform C C C C C Chromic Acid 10 - 50% C C - C C Dowtherm A or E Solvent - - - C C Ethyl Alcohol C C A A A(70°C / 158°F) Ethylene Glyco A B A A A(70°C / 158°F) Fuel Oil A C - C A Gasoline A B A C B Glycerine A C A A A Hydraulic Oils (Petroleum based) A A A C A - B Hydrochloric Acid, 37% (cold) C C C A A - B Hydrogen Peroxide, 90% C - - C C Isopropyl Alcohol B C A A A - B Kerosene A B A C B - C Lacquer Solvents (MEK) C C C C C Lubricating Oils B - A C B Methyl Alcohol C C A A A Mineral Oil A A A C B Naphtha C C A C C Nitric Acid, 10% C C B B B Nitrobenzene C C C C C Phenol C C B C C Phosphoric Acid, 20% C A - A B Phosphate Esters - - A C C Pickling Solution (20% Nitric Acid, 4% HP) C C C C C Soap Solutions A A A A A(70°C / 158°F) Sodium Hydroxide, 20% B B A A B Stearic Acid B A A B B(70°C / 158°F) Sulphuric Acid, up to 50% C C A B A - B(70°C / 158°F) Sulphuric Acid, 50% to 80% C C C B B - C Iannic Acid 10% A - A A A - B Toluene C C A C C Trichloroethylene C C B C C Turpentine A C - C C Water A - B(70°C / 158°F) A(70°C / 158°F) A(100°C / 212°F) Xylene C C B C C
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