... 2. Color: white, black, natural, beige 3. flame retardant: UL: V-0 Item: Wear-resistant PEEK sleeveMaterial: PEEK virgin, PEEK 30CA, PEEK ... ,high hardness,excellent wear resistance.good insulation, anti-ydrolysis,radiation-resistant Industry Application:1.Semiconductor machinery components2.Aerospace parts3.Sealing part4 ...