This material is NOT electrically insulating No. Per Lot is 1. PEEK Bearing Grade. Black PEEK modified with the addition of carbon, graphite and PTFE to offer optimised properties for demanding bearing and friction requirements. Good sliding properties even without lubrication/high wear resistance High thermal mechanical bearing strength Good chemical/radiation (gamma) resistance Very rigid/high creep strength Superheated steam resistant Self-lubricating Manufactured to DIN 50014 Supplied in 300mm lengths Black in colour