... , square cord,,etc. for NBR, VITON, SILICON,,,,ETC Viton O-RING CORD, viton RUBBER ROPE,viton rubbe sheet:The sizes from ... at break:>12MpaElongation at break:>120%.Hardness change: -5ATemperature Resistance:-20 ~ 220Chemical ResistanceConcentrated acids : excellent ,Acetone : bad ,Hydroxides : excellent ,Benzene : ... price. viton seals, FKM seals, silicone seals, NBR seals,o-ring cord, rubber sheet