Powerblast LS
Powerblast LS is a staurolite containing less than 1% crystalline silica. It’s hardness and fine grain size make it ideal for new steel and mill scale removal, or any general blasting application with low to average surface profile requirements. Powerblast LS is where optimal cleaning rates meet the most exacting health and safety standards.
| Typical Chemical Analysis |
(%): |
| |
|
| Aluminium Oxide Al2O3 |
36 – 46 |
| Iron Oxide Fe2O3 |
14 - 18 |
| Silicon Dioxide (total) |
SiO2 22 – 27 |
| Titanium Oxide TiO2 |
5 - 16 |
| Zirconium Dioxide ZrO2 |
4 - 8 |
| Typical Physical Properties: |
| |
|
| Colour |
Dark reddish brown |
| Grain Shape |
Angular |
| Bulk Density (loose) |
~130 lbs./ft.3 |
| Moh Hardness |
7 – 7.5 |
| Bulk Density (compacted) |
~142 lbs./ft.3 |
| Melting Point |
na |
| Specific Gravity |
3.7 – 3.8 |
| Solubility |
Insoluble |
Typical Gradation:

Packaging:
In Bulk
In 75lb paper bags
3000lb supersacs
For more information or to place an order contact us.
OPTA MINERALS has production and warehouse facilities in the following locations:
Canada: Waterdown, ON; Brantford, ON; Lachine, QC; Laval, QC; St-Bruno-de-Guigues, QC.
USA: Norfolk, VA; Hardeeville, SC; Attica, NY; Baltimore, MD; New Orleans, LA; Keeseville, NY; Milan, MI; Walkerton, IN; Richfield, OH. Los Angeles, CA.
Europe: Košice, Slovak Republic; Romans, France.
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