PTFE ROD 1) Factory 2) Dia. 6mm-200mm 3) Molded and Extruded 4) Graphite/Bronze/Carbon/ filled 1. Intorduction: ... insulation materials in the atomic energy, defense, aerospace, electronics, electrical, chemical industry, machinery, instruments, meters, construction, textile, metal ... ring, guide ring, machine tool guideway etc. c. electrical and electronic engineer :use as electric wire, electric cable ...