
Testra
Calcium silicate
Testra is a single-use abrasive based on calcium silicate. It is widely used for facade cleaning, concrete restoration and corrosion protection applications.
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More than 10 years of experience
More than 10 years of experience
✓
Pasha Blasting offices in 2 countries
Pasha Blasting offices in 2 countries
Grain sizes
| 0,10 – 0,30 mm | 0,25 – 2,00 mm |
| 0,10 – 0,50 mm | 0,50 – 1,20 mm |
| 0,10 – 0,80 mm | 0,50 – 1,40 mm |
| 0,30 – 0,50 mm | 0,50 – 2,00 mm |
| 0,30 – 0,80 mm | 1,00 – 2,00 mm |
| 0,25 – 1,20 mm | 1,40 – 2,80 mm |
| 0,25 – 1,40 mm |
Chemical composition
| SiO2 | Al2O3 | Fe2O3 | CaO | MgO |
| 44 – 52% | 7 – 14% | 1 – 2% | 25 – 36% | 5 – 8% |
Physical properties
| Grain Density | ca. 2.6 kg/dm³ |
| Bulk Density | ca. 1,3 kg/dm³ |
| Hardness | 7 Mohs |
Packaging
- 40 x 25 kg paper bags on EURO-pallet
- 1.000 kg big bags


