... stability ; 3,Theinsulating property is good. 1.low water absorption 2.corrosion resistant 3.temperature resistant 4.high diaphaneity ... 3) PCTFESheet, rods, and tubes4) PEEKSheets, rods, and tubes Virgin or with fillers (Glass fiber, carbon fiber, graphite, ... rods (ram extruded and paste extruded), tubes (mouding and paste extruded for thin wall tubes), packing Expanded PTFE sheet, Expanded Joint ...