Back up RingBasic Info :
1. All raw-material purchased from: DuPont (US) /  Dow Corning (Germany) / Bayer (Germany) / KRAIBURG / 3M , products hardness can made from 30Shore A to 95Shore A.
2. Had own mold department more than 20000 size mold , Inner diameter from 0.05mm to 1.2m, C/S from 0.5mm to 20mmcan be a molding for one time shape, biggest ID can made over 6m , C/S over 30m
3. Viton materia withstand high and low temperatures from -70° To 220°
4.Applied industry:   chemical industry, petroleum Industry, medical technique, food industry, sewage-disposal industry, steel industry, and so on.
5. Applied equipment :  Mechanical sealing, pressure vessel, gas compressor, reaction vessel, heat exchanger, boiler, filter and so on.
6.Main advantage: First, excellent anti-chemical character. It almost applies to all mediums.
                              Second, temperature range is very wide. (Around -70° C to 220° C)
                              Third, anti-compressibility function is very good.
                              Four , Oil proof, Alkali resistance, good elastic and long lifespan
7.Operation conditions: Pressure: <=50MPa
8.In house tool making and free of tooling charge for standard rubber ring, the mold line can be 45° and 180°.
9. Factory authentication by TS16949 and products pass : Wras/ KTW-W270/ Warremark/ LFGB / RoHs / Reach / FDA certificate