Admin Polyurethane Caster Wheels, Polyurethane Castors, Rubber Casters UK May 29, 2016 Polyurethane Caster Wheels Material Guide Polyurethane Caster Wheels – The Ultimate Material Polyurethane elastomers are a versatile synthetic polymer, invented back in the 1930’s by Dr. Otto Bayer. Today over 12 Million metric tonnes are ... read more 8003 0