(Equivalent to 3M Kel-F)
Latest Update: Jan. 2006
1. Description: copolymer
of VdF and CTFE
Formula : -[(CH2CF2)-(CF2CFCl)]n-
- With good
corrosion-resistance,strong-oxidant-resistance,and acid-resistance in special,such as
fuming nitric acid,concentrated hydrochloric acid, hydrogen peroxide,etc.
- Good heat-resistance,good physical and
mechanical and insulation properties.
- Working under 200 oC for long
period. Working at 250 oC for short period.Brittle point is at between -20~-40 oC
3. Main Applications:
Widely used in
aviation,automobile,petroleum,and chemical industries,etc.Can be made into rubber
belt,tube,film,fiber-boned sheet and gasket,fuel tank and as dipping material.
4. Typical Properties:
|Gum (before vulcanization)
|Chlorine Content, %
||1.5 ~ 2.4
|Weight Loss at 200oCX24hr, %
|Acid Resistance (weight increase at (18oC ~28oC)
X168hr in 96% nitric acid), %
|Voltage at Break Down, MV/m
|Volume Resistance Ratio, Omega X cm
|Tensile Strength at Break, MPa
at Break, %
- In shady cool and dry place.
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