... 70,80,90 black,white,red,green,yellow,blue NSF,FDA,WRAS,TZW,W270,UL AS568,P.G.etc. ItemRubber ... used in bathroom product, valve, faucet, machine, hydraumatic, pneumatic and automobiles.Shore 60±5 ; 70±5AdvantageGood Ozone resistance, aging resistance ... , acid/alkali resistance, weather resistance, abrasion resistance, voltage resistance and insulating resistance etc.SizeAS568, P.G Series, ISO 361/1and ...