Crushed stone

Is Negotiable

Contact information

Fomichov Ivan Vladimirovich

+380504713311
Email

DSTU B В.2.7-75-98:


 

 Parameter 

The diameter of the control sieve cells, which corresponds to the grain size, mm

d

0,5 (d + D)

D

1

0 - 20 mm

 90 - 100 

30 - 80

 > 10 

2

5 - 20 mm

3

20 - 50 mm


- The content of pulverized, clayey and silty particles: not more than 2%;
- The limit of mechanical strength of crushed stone at compression is not less than 60 MPa;
- Frost resistance - F50;


Maximum permissible concentration and hazard class of crushed stone in the air of the working area:

Сomponent

Controlled aerosol location

Value of MPC, mg / m3

Hazard Class

Designation of the standard

Carbonate-silicate dust

Air of working area

6,0

4

ГОСТ 12.1.005

Atmospheric air

0,5

3

ДСП-201