... it shows an extraordinary mechanical strength,thoughness,hardness,flexural strength,PEEK exhibits excellent chemical resistance, very good dielectric properties up to ... , Machined parts3) PCTFESheet, rods, and tubes4) PEEKSheets, rods, and tubes Virgin or with fillers (Glass fiber, carbon fiber, graphite, PTFE) 5) PTFE/TEFLON Virgin or ...