... ,,,,ETC Viton O-RING CORD, viton RUBBER ROPE,viton rubbe sheet:The sizes from 3mm, 3.5mm,4mm,5mm,6mm,7mm ... at break:>12MpaElongation at break:>120%.Hardness change: -5ATemperature Resistance:-20 ~ 220Chemical ResistanceConcentrated acids : excellent ,Acetone : bad ,Hydroxides : excellent ,Benzene : excellentCrude ... , FKM seals, silicone seals, NBR seals,o-ring cord, rubber sheet