Eminent grit
Eminent blasting grit is produced from granulated slag originating from metal melt processes and is also called "iron silicate".
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CHEMICAL ANALYSIS
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SiO² 25 - 35 % (in bonded form, <1% free crystalline quartz) Al²O³ 2 - 9 % Fe²O³ 45 - 65 % CaO 0 - 2 % MgO 0 - 1 % K²O 0 - 1 % TiO² 0 - 1 % Na²O 0 - 2 % Other only few traces
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SHAPE |
Angular
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COLOUR |
Darkgrey / Black
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HARDNESS |
7 Mohs
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BULK WEIGHT |
± 1,88 kg/dm³
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SPECIFIC WEIGHT |
± 3,5 kg/dm³
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CONDUCTIVITY
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< 250μS/cm
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WATER-SOLUBLE CHLORIDES
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< 0,0025% (m/m) |
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GRAIN SIZE |
Extra-fine 0,1 - 0,6 mm Fine 0,2 - 1,0 mm Medium-fine 0,2 - 1,5 mm Medium 0,2 - 2,5 mm Coarse 0,5 - 2,5 mm
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PACKING |
- loose in bulk - 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 |
Stralen van metaal en steen/beton, verwijdering van walshuid, roest, oude verflagen, vuil etc. Geschikt voor SA-3, SA-2½, SA-2 en SA-1, ook wel “wapperen” of “sweepen” genoemd.
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PRODUCTION STANDARD |
ISO 11126-6 en 11127 |
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