... .Solid/compact Extrusion.3.Co-extruded seal strip.4.PVC&Rubber compound extrusion.5.All these can be with metal insertion. Xin ... 'ao Rubber Seal Features: Widely used in industry,agriculture,including building,automotive ... : Material: EPDM, Nitrile(NBR), Neoprene(CR), Silicon, Viton, SBR, Natual rubber and various other basic raw materials.Hardness: From 35 to ...