Corund
Normal Corund (Aluminium Oxide) is a first quality new electro corundum. It is very pure and has an AL2O3 content of approx 95%. The high percentage of Titanium (TiO2, approx 2,9%) ensures extra toughness and durability.
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CHEMICAL ANALYSIS
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AL²O³ 94,6 % TiO² 2,9 % SiO² 0,8 % Fe²O³ 0,5 % CaO 0,7 % MgO 0,4 % K²O 0,04 % Na²O 0,05 %
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SHAPE |
Angular
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NATURE |
Inert
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COLOUR |
Brown
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HARDNESS |
9 Mohs
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BULK WEIGHT |
1,74 - 1,88 kg/dm³
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SPECIFIC WEIGHT |
4 kg/dm³
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GRAIN SIZE |
F.12 1,2 - 2,3 mm F.54 0,20 - 0,42 mm F.14 1,0 - 2,0 mm F.60 0,18 - 0,35 mm F.16 0,85 - 1,7 mm F.70 0,15 - 0,30 mm F.20 0,70 - 1,4 mm F.80 0,12 - 0,25 mm F.22 0,60 - 1,2 mm F.90 0,10 - 0,21 mm F.24 0,50 - 1,0 mm F.100 0,09 - 0,18 mm F.30 0,42 - 0,85 mm F.120 0,075 - 0,15 mm F.36 0,35 - 0,70 mm F.150 0,063 - 0,12 mm F.40 0,30 - 0,60 mm F.180 0,053 - 0,10 mm F.46 0,25 - 0,50 mm F.220 0,045 - 0,07 mm
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PACKING |
- in 25 kg paper bags on pallets of 1000 kg each, covered with a shrink foil - in big bags, 1000 kg each
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APPLICATION |
Normal Corund is used in blasting booths and blasting cabinets for removal of rust, paint and burrs, and as a preparation for the application of all paint systems. |
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