Seals

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Properties CUMITUFF 95P ( 95 % Aluminia )/ CUMITUFF 95W ( 95 % Aluminia )
Colour Dark Pink / White
Density (gm/cc) 3.7
Hardness (R45N) 78
Water Absorption (%) Nil
Surface Finish (Micro - inches) 15 - 20
Compressive Strength (Mpa) 1650
Co-efficient of Thermal expansion (0-1000 Degree Celsius) (x10^-6/ deg C) 8.8 /8.9

CUMITUFF® high Alumina seal faces are manufactured from 95% Alumina Specially developed for chemical plant seal face applications and other similar applications in which corrosive attack is likely to be particularly severe. This material has been subjected to extensive and rigorous laboratory testing to determine the effects of various reagents/chemicals on surface finish. The stability to acid of components made from this material has been determined to be within 0-10mg mg/cm2. (CVD Specifications).

Applications

  • Pump shaft sleeves
  • Pump plungers
  • Pump Cylinder liners