... . Range: Manufacture wide range of rubber profile,rubber seals,rubber strip, tubing, cord or custom rubber extrusion shapes ... Neoprene(CR), Silicon, Viton, SBR, Natual rubber and various other basic raw materials.Hardness: From 35 to 85 Share ... Degrees Centigrade (up to 300C for short periods).Various color are available,like black,red,white,blue.etc ... &quality with best service. mechanical face seals