... FDA Hardness:ShoreA60,70,80,90 Color:black,brown AS568,P.G.series,Customized size ItemViton FKM O- ... , pneumatic and automobiles.Hardness:ShoreA60,70,80,90Color:black,brownAS568,P.G.series,Customized sizeAdvantageGood Ozone resistance, aging resistance ... resistance, voltage resistance and insulating resistance etc.SizeAS568, P.G Series, ISO 361/1and Customized specificationCertificationISO9001-2008, ...