CHARACTERISTICS OF MATERIALS
Type of material	Average weight [t/m³]	Angle of repose [°]	Abrasive ness
Aluminum solid	1,12-1,92	29	M
Asbestos mineral	1,29	45	M
Anthracite brick	1	-	B
Crushed slate	1,36-1,52	28	N
Clay dry fines	1,60-1,92	35	B
Crushed asphalt sieve 13 mm	0,72	45	N
Asphalt binderfor paving	1,30-1,40	-	N
Bakelite powdered	0,45-0,65	45	N
Beet lumps	0,50-0,60	35	N
Beet pulp wet	0,40-0,70	-	N
Barite	2,88	-	B
Bauxite	1,28-1,44	31	A
Natural bentonite	0,80-0,96	-	B
Baking soda	0,65	42	N
Limestone powder	1,28-1,36	-	B
Quicklime	1	45	N
Concrete	2,08-2,40	-	A
Concrete with scrap	1,44-1,70	-	A
Calcium carbide	1,10-1,20	30	B
Barium carbonate	1,15	-	N
Anthracite coal raw	0,80-0,96	27	N
Coal bituminous raw	0,70-0,90	38	N
Coal crushed end	0,70-0,80	-	N
Cement raw	1,60-1,76	-	B
Cement Portland	0,96-1,20	39	B
Coke sweet	0,37-0,56	-	A
Coke dust	0,40-0,56	30-45	A
Sewage sludge moist	0,90	-	N
Feldspar grained 40 ÷ 80 mm	1,44-1,76	34	A
Feldspar sieve 13 mm	1,12-1,36	38	A
Phosphates crushed	1,20-1,40	15	B
Crushed gypsum	1,12-1,28	30	N
Gravel	1,44-1,60	35	M
Graphite ore	1,04-1,20	-	N
Granite screening 13 mm	1,28-1,44	40	A
Wheat	0,64-0,67	25	N
Crushed stoneware	1,36-1,44	40	N
Rubber graulosa	0,80-0,88	35	N
Rubber reclaimer	0,40-0,48	32	N
Guano dry	1,12	-	N
Shavings wood	0,20-0,50	30	N
Brick	2,00	-	A
Ore crome	2,00-2,24	-	A
Ore iron crushed	2,16-2,40	-	A
Ore manganese	2,00-2,24	39	B
Ore nichel	2,40	-	A
Ore lead	3,20-4,32	30	B
Marble Crushed	1,44-1,52	-	M
Apples	0,30	-	N
Nitrate ammonium	0,72	30-44	B
Nitrate potassium	1,22	-	B
Nitrite sodium	1,12-1,28	24	N
Calcareous stones	1,35-1,45	30-45	M
Quartz screening 13 mm	1,28-1,44	-	A
Sand fine dry	1,44-1,76	30-35	A
Sand fine moist	1,76-2,08	45	A
Sea marine fine	1,12-1,28	25	B
Sea marine coarse	0,64-0,88	30	B
Sulphate ammonum	0,72-0,93	32	B
Sulphate iron	0,80-1,20	-	B
Sulphate manganese	1,12	-	A
Sulphate potassium	0,67-0,77	-	B
Sulphate copper	1,20-1,36	31	N
Earth foundry	1,28-1,44	32	A
Earth carry-over dry	1,15-1,20	35	B
Shavings steel	1,60-2,40	-	A
Shavings aluminium	0,11-0,24	-	B
Shavings wood	0,16-0,48	-	N
Shavings cast iron	2,08-3,20	-	B
Glass shattered	1,92	35	A
Glass scrap	1,36-1,92	20-30	A
Zinc crushed ore	2,56	38	B
Sulfur crushed	0,96-1,36	30-44	N
ABRASIVE NESS : N=NOUGHT B=LIGHT M=MEDIUM A=HEAVY