Product Name: High Quality of FEP Encapsulated FKM and Silicone O-Ring Model NO.: ULT-FEP-01 Standard: Standard, Nonstandard Shape: O-Ring Performance: High Pressure Type: Rotary Seal Application: Pumps Material: FKM or Silicone Inner Diameter: 5mm to 30m Cross Section: 1mm to 50mm Color: Red or Black Process: Molding Hardness: 50sha to 90sha Certificates: SGS, FDA, Ce, RoHS, Reach and Ts16949 Working Temp: -20 to 260