Glossary of Terms
Properties of Various Materials
|
Material
|
Loose
Density
(lb/ft
3
)
|
Angle of
Repose
(degrees)
|
|
Ash
|
35 - 40
|
40
|
|
Coal, anthracite
|
60
|
35
|
|
Coal, bituminous, sized
|
45 - 55
|
35
|
|
Coal, lignite
|
40 - 45
|
38
|
|
Coke, loose
|
23 - 35
|
30 - 44
|
|
Coke, breeze
|
25 - 34
|
30 - 45
|
|
Coke, petroleum
|
35 - 40
|
. . .
|
|
Gravel, dry
|
90 - 110
|
40
|
|
Gypsum, screened
|
70 - 80
|
30 - 40
|
|
Iron ore
|
145
|
35
|
|
Limestone, crushed
|
95 - 100
|
38
|
|
Sand, dry
|
90 - 100
|
35
|
|