100% kevlar Endless Needle Punched Felt Belt Product Description Temperature resistance:continuous 250C, speaks: 500C.The material will lose weight turn brown ,and reduce its self life if it is exposed to high temperature aluminum profile(about 600C) for a period of time (longer than10 minutes)Kevlar is thermo setting material and therefore,it will not pollute the aluminum profile. Total thickness range:1.5-15mm;common specifications are 6mm,8mm,10mm,12mm Width range:20mm-3,600mm;common specifications are 60mm, 70mm, 75mm, 80mm, 90mm, 100mm Length:1,800mm~30,000mm Density Effective blankets part of the standard is 350g/â?¢mm;Standard special requirements can be customized (maximum 500g/m2.mm)