|
Name of materials
|
β
|
Name of materials
|
β
|
Name of materials
|
β
|
|
Lump coal
|
18°
|
20-40mm
Oil shale
|
20°
|
Wet sand
|
23°
|
|
Raw coal
|
20°
|
20-1200mm
Oil shale
|
22°
|
Salt
|
20°
|
|
Coal power after washing products
|
21°
|
Dry and loose soil
|
20°
|
Moulding sand
|
24°
|
|
Coke after screening
|
17°
|
Wet soil
|
20-23°
|
Waste sand
|
20°
|
|
0-25mm coke
|
18°
|
Wet ore concentrate(contains 12% water)
|
20°
|
No screening stones
|
18°
|
|
0-3mm coke
|
20°
|
Dry ore concentrate
|
18°
|
Cement
|
20°
|
|
0-350 mm ore
|
16°
|
Limestone after screening
|
12°
|
Massive dry clay
|
15-18°
|
|
0-120mm ore
|
18°
|
Dry sand
|
15°
|
Powder dry clay
|
22°
|
|
0-60 mm ore
|
20°
|
Mixed with gravel
|
18-20°
|
|
|
|
40-80 mm ore
|
18°
|
The sand of quarry
|
20°
|
|
|
