COAL SLAG ALUMINIUM SILICATE

Description:

Coal slag is an aluminium silicate blast cleaning grit made of coal slag from coal fired power stations.

Applications:

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: :

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. IS0-9002, Certificate no. K/0475/03. Product standards: ISO I I I 26/14 and I I I 27.