Polyurethane bar 1.Diameter:10mm-300mm 2.Length:300mm, ... A 4.Certification:ISO 9001:2008 Specification of polyurethane bar:1--Dia: from 10mm,15mm,20mm,25mm,30mm,35mm ... -155KN/MAkron Abrasion Loss: <0.05/1.61CM3/ KMCompression set (22h*70°C): <10,<5,<3% 1Good abrasion resistance2Wide ... absorption8Good electrical insulation properties9Good tear resistance10low compression set pu bar 85 shore