PTFE o ring. 1,Size:The same as your design, drawing. ... ,MOQ:5000pcs. 4,Hardness: 40-85 shore A. PTFE/Teflon O ring Item:PTFE/Teflon seal ring1. Material: Silicone, EPDM, NR, NBR ... according to the products.9. Package: Standard export packing: PVC bag, Carton, Pallet10.OEM or ODM is welcomed. Please contact us ...