... structure:TC, TB, SC,ect 4.certificate:ISO2001 teflon flat washer describle:1. Material: teflon,NBR, SILICONE, VITON ... can make it on your order;6. Apply for: Auto, motorcycle, machinery, water pumps, valves, etc.8. We ... treatment/plating/Anti-slipping/Baking/QA/Package/Shipping telfon flat washer specification: metal materialnonmetal materialspecification rangeapplication pressureworking temperatureCu ...