Testra
Calcium silicate
Testra is an expendable abrasive based on calcium silicate. The material is used in facade cleaning, concrete repair jobs and corrosion protection.
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Contact information
Airblast-Abrasives B.V.
Kelvinstraat 8
1704 RS Heerhugowaard
The Netherlands
Do you have questions about how we can help your company? Send us an email and we’ll get in touch shortly.
- More than 50 years of experience
- Airblast offices in 12 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
