Fractional breakstone
Road metal is applied to enrichment of sand-gravel mixes at the device of the bases and coverings of roads, for an accomplishment and planning works, for manufacturing of irresponsible ferro-concrete designs, and as in an iron and steel industry and glass manufacture. It is applied by almost all machine-building and machine-tool constructing factories of republic as a flux material at melt of products from pig-iron. Is issued in the form of fractions: 5-20 mm, 20-40 mm, 40-80 mm.
Technical characteristics:
| Mark on crushability | 300,400,600 |
| Mark on frost resistance | F50 |
| Mark on abradability | I2 |
| The maintenance powdered and clay particles | 1,5-3% |
| The maintenance of grains of soft rocks | 5-10% |
| Flakiness index | 25-50% |
| Bulk density | 1,30-1,40 t/м3 |
The annual volume of output makes approximately 1400 thousand tons.
Road metal is made in accordance with GOST 8267-93.
Transportation is carried out by railway transport or motor transport of any kind.
