... organic liquid corrosion;4). Low ratio of friction (0.05-0.1), it is the best choice of non ... small permittivity: 2.6, the tangent is lower than 0.0025), ultraviolet resistance, static proofing;7). Good dimension ... stability (the ratio of extending is lower than 0.5%), High intensity, good mechanical capability;8). Fireproofing ... .g. C-coffee (brown), B-black, W-white. PTFE fiberglass fabric