... NR FKM, etc 2: Have lots of existed o-ring molds 3: Available in various sizes and colors We ... ,EVA,etc. PA,TPU,PE,PP,PTFE,POM,PVC,ABS,TPR,PC,PS etc.1,Hardness Shore A (-/+): 40 ... welcome7,Certificate:ISO 9001, ROHS Report, SGS Report8,Use:Automobile,Motocycles,Trucks,Buses,Trailers,Agricultural Machinery and Exercise Equipments.Markets ... a Brand New Future Various Rubber Silicone O-ring,Silicone Sealing ...