... , natural, beige 3. flame retardant: UL: V-0 Item: Custom Valve seatMaterial: PEEK virgin, PEEK 30GF, PEEK-HPVColor: white, black, natural ... :1.Semiconductor machinery components2.Aerospace parts3.Sealing part4.Pump and valve components5.Bearings \ bushings \Gear6.Electrical components7.Medical instrument parts8.Food ...