Crushed stones & granulates

Granulate production

Production of different granulates used in the construction, concrete and decorating industry.

Crushed gravel

Crushed gravel is a natural decorative material produced by crushing in accordance with various standards in effect. It can be used as floor or ground covering, indoors or outdoors.

Size and grade of gravel

Madagascar Select Extra White

Micro deval (NBN EN 1097-1): 21 Ph: (ISO 787-9): 6.38 Los angeles (NBN EN 1097-2): 41
Water absorption: ( EN 1097-6): 0.4% Solubility in water: (EN 1744-1): 0.2 Mohs hardness: 3.5-4
Volumetric mass density: (NBN ENE 1097-7): 2.85 Refractive index: 1.679-1.681 Resistance to freeze-thaw: 0.2

Whiteness (depends on the grain size)

0,2 - 2,5 mm: 93 - 90

<0,2mm: 93-97+

Chemical analysis: values in %

 Humidity  Ca O  Mg O  Fe²O³  Al²O³  SiO²  MnO  K²O
 0,08  30,54  21,82  0,03  0,3  0,05  0,02  0,002
 Fluorite  LOI+H2O  % chlorine  Na²O  TlO  SrO  Cr2O3  SO3
 0,06  47,43  0,017  <0,001  0,003  0,009 0,002   <0,001

 

Crushed stone & granulates

Other crushed products

Rock crushing (granite or sandstone) and various types of stone for the production of gabion cages or polished stone.

Crushed stone & granulates