COAL SLAG ALUMINIUM SILICATE
Description:
Coal slag is an aluminium silicate blast cleaning grit made of coal slag from coal fired power stations.
ApplJcatlons:
Blastcleaning of steel and stone/concrete surfaces, removal of mill scale, rust, old paint, dirt etc. Suitable for SA-3, SA-2112 and SA-2, as well as sweep blasting.
Grain Sizes
  • Type A1 0,2 - 0,6 mm
  • Type A2 0,2 -1,0 mm
  • Type A3 0,2 - l,4 mm
  • Type AB 0,2- 2,2 mm
  • Type X 0,5 - 1 ,6 mm
  • Type B1 1,2 - 2,2 mm
  • Type B2 0,8 - 2,2 mm
  • Type B3 0,5 - 2,2 mm
  • Type BC 0,8 - 3,0 mm
Chemical Composition (Indication only)
  • SiO2 : 45 -52 % in bound form,< 1%. free silica
  • AliOJ: 24- 31 %
  • Fe203 : 7 - I I %
  • CaO: 3-8 %
  • KiO : l-S %
  • MgO: 2- 3 %
  • TiO : 0_2 %
  • Nc12O : 0-1 %
  • Other traces only
Properties:
  • Shape. : Sharp and angular
  • Colour: brown/black
  • Hardnes : 7 Mohs
  • Specific density : 2.4-2.6 kgs/dm3
  • Loose bulk density: 1.3-1.4 kgs/dm3
  • Water Soluble Chlorides: < 10 ppm
  • Conductivity: < 15 mS/m
Packing: :
Packing: :
3-ply/ 6-ply paper bags, 50 kgs content, on shrinkfoiled export pallets.
-Strong woven polypropylene big bags, with 4 lifting loops.
-Other packing options on request
ISO Quality System Certificate. JS0-9002, Certificate no. K/0475/03. Productst.ondards: ISO I I 12614 and J 1127.
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