Halar® 901 and Halar® 902 ECTFE Sheets and Rods – Halar ECTFE is a partially fluorinated semi-crystalline polymer offering a unique combination of mechanical properties, thermal and chemical resistance with an outstanding ease of processability. Halar ECTFE, a copolymer of ethylene and chlorotrifluoroethylene, can bring advantages to the end user when compared to other fluoropolymers. It is a very versatile polymer, available in all forms to meet processing needs. Halar offers excellent resistance to abrasion, harsh chemicals, and permeation. Stocked in USA, Singapore & Taiwan warehouses. Halar® Grades: Halar® 901 – Natural Color (.250″ thick to 1.250″ thick) – 901 IS FM4910 Listed Halar® 902 – Natural Color (1.50″ thick to 2.50″ thick) – 902 Resin is NOT FM4910 Listed Note: Clear Halar® 453 has also been discontinued.