... 3, Surface :Smooth , fabric pattern etc Rubber Insertion sheet 1.Rubber insertion sheet 2.Material:NBR,EPDM,SBR. etc 3.Inserted:Cotton,nylon ... / SBR, Neoprene, NBR, EPDM,Butyl, Sillicon, Viton etc.Insertion material: Cotton cloth or nylon insertion.Size: Thickness: from 1 to 50mm, width:2m ...