... resistance,Ozone resistance,etc.Applicationof silicone diaphragm: electronic field ,industrial machine& equipment,house-hold appliance, tele- communication, automobile ,medical ... VITON),ACM,AEM,SBR,CR,PU etcHardness:30~90 Shore A Size Standard:AS/BS/JIS B /ISO /DIN/ ... QC controlPacking:neutral packing or other packing according to your needs.Sample:Free After-Sales Service: 100% responsible for our ...