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Silica Balls

Technical characteristics:

  • Actual specific weight ……………… 2,63 g/cm3
  • Absorption ……………………………… 2,63 g/cm3
  • Humidity ……………………………… 2,63 g/cm3
  • Porosity …………………………….. 0,07 g/cm

Determination of surface scratch hardness according to Mohs

Mohs hardness test piece

  • 1……………………………………………………… 9
  • 2……………………………………………………… 8,5
  • 3……………………………………………………… 9
  • Medium ……………………………………………….. 9

Chemical analisys

  • SlO2…………………………………………………97,70 %
  • Al2O3……………………………………………….1,24 %
  • Fe2O3……………………………………………….0,19 %
  • CaO………………………………………………….0,04 %
  • MgO………………………………………………….0,02 %
  • Na2O……………………………………………….<0,01 %
  • K2O…………………………………………………..0,37 %
  • TlO2…………………………………………………..0,14 %
  • MnO…………………………………………………<0,01 %
  • P2O5………………………………………………..<0,01 %
  • lost by calcination at 1025º C……………..0,14 %

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Industrias Cevima

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+34 639 28 66 49

info@cevima.es

Industrias Cevima S.L.

Polígono Vilafamés Emperadora, Av. Portugal s/n, 12192 Vilafamés, Castellón