|Molded 'O' Rings Compounds|
|Standard 'O' Ring Compounds
A full range of quality 'O' rings are available in commercial and military specification material.
|In addition to the American Standard AS series, non-standard requirements can be accommodated by either vulcanizing from close tolerance 'O' ring cord or choosing from a wide availability of metric sizes.|
|Compound Ref.||Polymer Type||ASTM Designation||Typical Properties|
|PB70||Buna N, Nitrile||BF, BG, BK, SB, SA, NBR||-40oF/-40oC to 275oF/135oC
General purpose compound. Excellent resistance to petroleum base lubricants, hydraulic oils, gasoline, fuel oil, alcohol, water, and L.P. gas.
|PE70||Ethylene Propylene||CA, R(s), EPDM, EPR||-67oF/-55oC to 300oF/148oC
Animal and vegetable oils, oxygen, ozone, hot water, steam, mild acids, ester based fluids, alcohol.
|PN70||Neoprene, Chloroprene||BC, BE, SC, CR||-50oF/-46oC to 275oF/135oC
'O'xygen, ozone, weather, chlorine, freon gas, carbon dioxide.
|PV75||Viton®, Fluorocarbon||HK, TB, FPM||-30oF/-34oC to 425oF/218oC
Excellent high temperature resistance to animal and vegetable oils, acids, alkalis, fuel oil, gases, wide range of other fluids and chemicals.
|PS70||Silicone||FC, FE, GE, TA||-80oF/-62oC to 450oF/232oC
Hot air, weather, oxygen, ozone, excellent for medical applications, moderate chemical resistance, various fluids.
|PF70||Fluorosilicone||FK, TA, TB, FVS||-70oF/-57oC to 350oF/177oC
Combines excellent oil and chemical resistance with wide temperature range.
|PTFE||Polytetro Fluoroethylene||PTFE, TFE||-400oF/-205oC to 550oF/287oC
Excellent resistance to all chemicals and solvents. Very low coefficient of friction.
|Viton® is a registered trademark of E.I. DuPont de Nemours and Company.|
Phelps Industrial Products, Inc., 6300 Washington Boulevard, Elkridge, Maryland 21075-5397