Mineral powder is a product of grinding of 0-5 mm sand (which is the undersize of crushed limestone) in hammer mills. Mineral powder is used as a component of asphalt concrete mixes and other organomineral mixes. It is produced according to GOST R 52129-2003 «Fillers for asphalt concrete and organomineral mixes. Specification». The manufacturer has the Certificate of Conformity issued by NIIMosstroycertificatsia certification body.
Mineral powder is nonactivated, its grade is MP-1. It is stored in silos and transported in cement trucks or covered wagons.
The manufacturer ensures the mineral powder conformity to the GOST standards providing that the transportation and storage requirements are met.
Mineral powder specification
| Properties |
Laboratory findings |
|
| Grain distribution, weight %: |
|
| < 1.25 mm |
100 |
| < 0.315 mm |
97.5-99.8 |
| < 0.071 mm |
71.0-80.0 |
| Porosity, % |
32 |
Swelling of samples made of mixture
of mineral dust and asphalt, % |
1.8 |
| Moisture content, weight % |
0.14-0.030 |
| Sesquioxide content (Al2O3 + Fe2O3) , weight %: |
0.665 |
| Raw material grade |
600 |
Effective specific activity of
natural radionuclide, Bq/kg |
68.1±10.6
|
| Production Site |
Gurovo Beton |