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Vulka pumice type \"G\"

Product specification   Use
Das Bild
  • A filter material for water processing and waste water purification by means of monobed and multibed systems.
  • Colour: white to grey
  • Granule form: splintered
  • Solid material density: 2,3 - 2,4 g/cm3
  • Bulk density: ca. 1,2 g/cm3
  • Compacted density: 610 - 650 kg/m3
  • Vibration density: 700 - 750 kg/m3

Product uses  Das Bild

  • It is important to ensure that the material is not damaged when transferred to the filter so that its quality is retained.
  • It is thus advisable to use water to wash the material into the filter basin as this will ensure that the particle profile is retained. The friction generated during pulsation of the granules when an airjet system is used for filling will create some smaller granules.


Natural product (mixture of igneous minerals, such as lava, basalt, pumice and zeolite); contains augite, olivine, magnetite, limonite, biotite and various clays.
Main chemical constituents Content*   Other substances Content*
Silicic acid (SiO2) 45,00%   Sodium (Na2O) 3,50%
Aluminium (Al2O3) 12,50%   Potash (K2O) 4,50%
* = approximate

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