... seals,rubber strip, tubing, cord or custom rubber extrusion shapes for Auto industry,mechanical,construction,etc ,the extrusions also can be ... CR), Silicon, Viton, SBR, Natual rubber and various other basic raw materials.Hardness: From 35 to 85 Share A.Temperature resistance:-50 ... to +260 Degrees Centigrade (up to 300C for short periods).Various color are available,like black,red,white ...