... cord,,etc. for NBR, VITON, SILICON,,,,ETC Viton O-RING CORD, viton RUBBER ROPE,viton rubbe sheet:The sizes ... from 3mm, 3.5mm,4mm,5mm,6mm,7mm, 8mm,9mm,10mm,11mm, ... very goodHydraulic sealing items.backups , dowty seals, u seals,o rings, wipers, oil seals, piston seals, v packings, rod ... . viton seals, FKM seals, silicone seals, NBR seals,o-ring cord, rubber sheet