... ,OEM service 3,Ozone resistance,aging resistance,weather resistance Silicone Rubber Sheet 1, Materia:NBR,CR,SBR,EPDM,HNBR,ACM,IIR ,NR ... ,Viton etc.2, Hardness:Between 30~90 shore A3, Property:high/low temperature ( -40°C to +300°C ) resistance,oil and ... according to your Requirement2.Designs and Specification are Accepted Silicone Rubber Sheet