MATERIAL

DENSITY
kg/m³

DEGREES

CLASS

R

S

C

Alum, fine

720 - 800

30 - 45

25

23

B35

Alum, lumpy

800 - 960

35 - 45

25

23

D35

Alumina

800 - 11340

22

5

10 - 14

B27M

Aluminium hydrate

290

34

25

20 - 24

C35

Aluminium sulphate

865

32

10

17

C25

Ammonium chloride, crystalline

720 - 830

28

10

10

B25S

Ammonium nitrate

720

40

25

23

C36NUS

Ammonium sulphate (granular)

720 - 930

28

10

10

C26S

Asbestos ore or rock

1300

10

20

D27R

Asbestos shred

320 - 400

45

30

30

E46XY

Ash, black, ground

1680

32

17

B35

Ashes, coal, dry

560 - 640

40

25

20 - 25

C46TY

Ashes, coal, wet

720 - 800

50

25

23 - 27

C46T

Ashes, fly

640 - 720

42

30

20 - 25

A47

Ashes, gas - producer, wet

1250

30

D47T

Asphalt, binder for paving

1280 - 1360

30

30

C45

Asphalt, crushed,

720

30

C35

Bagasse

110 - 160

30

30

E45Y

Baking powder

640 - 880

10

18

A25

Bark, wood, refuse

160 - 320

45

30

27

E46Y

Barley

610

23

10

10 - 15

B15N

Barytes, powdered

1920 - 2240

10

15

B26

Bauxite, crushed

1200 - 1360

30

20

20

D37

Bauxite, ground, dry

1090

35

20

30

B26

Bauxite, mine run

1280 - 1440

31

20

17

D37

Beans, dry

770

5

5

Cl5

Bentonite, crude

560 - 640

30

27

D46X

Bentonite, under 100 mesh

800 - 960

10

20

A26XY

Bonemeal

880 - 960

20

25

B36

Borax, 40 - 75 mm lumps

960 - 1040

25

27

D36

Borax, 12 mm screenings

880 - 960

20

20

C36

Borax, fine

720 - 880

10

20 - 22

B26T

Brewers grain, spent, dry

320 - 480

30

27

C45

Brewers grain, spent, wet

880 - 960

30

27

C45T

Brick, hard

2000

30

27

D47Z

Brick, soft

1600

30

27

D47

Carbon black, pelletized

320 - 400

5

5

B15Q

Carborundum, under 75 mm

1600

10

15

D27

Cement, Portland

1500

39

25

20 - 23

A26M

Cement, Portland, aerated

960 - 1200

5

10

A16M

Cement clinker

1200 - 1520

30 - 40

25

18 - 20

D37

Chalk, lumpy

1200 - 1360

10

15

D26

Chalk, under 100 mesh

1040 - 1200

25

28

A46NXY

Charcoal

290 - 400

35

25

20 - 25

D36Q

Chips, paper mill

320 - 400

30

27

E45

Chips, paper mill, softwood

190 - 480

30

27

E45

Chips, hogged, fuel

240 - 400

30

27

E45W

Chrome ore (Chromite)

200 - 2240

10

17

D27

Cinders, blast furnace

910

35

20

18 - 20

D37T

Cinders, coal

640

35

20

20

D37T

Clay, calcined

1280 - 1600

25

20 - 22

B37

Clay, dry, fines

1600 - 1920

35

20

20 - 22

C37

Clay, dry, lumpy

960 - 1200

35

20

18 - 20

D36

Clover seed

770

28

10

15

B25N

Coal, anthracite, under 3 mm

960

35

20

18

B35TY

Coal, anthracite, sized

880 - 960

27

10

16

C26

Coal, bituminous, mined under 50 mesh

800 - 865

45

30

24

B45T

Coal, bituminous, mined and sized

720 - 880

35

25

16

D35T

Coal, bituminous, mined, run of mine

720 - 880

38

25

18

D35T

Coal, bituminous, mined, slack

690 800

40

25

22

C45T

Coal, bituminous, stripping, uncleaned

800 - 960

20

22

D26T

Coal, Lignite

640 - 720

38

25

22

D36T

Coke Breeze, under 6 mm

400 - 560

30 - 4

10

20 - 22

C37Y

Coke, loose

370 - 560

30

18

D47QVT

Coke, petroleum calcined

560 - 720

10

20

D36

Concrete wet

1760 - 2400

10

24 - 26

D26

Concrete, in place, stone

2080 - 2400

25

20

D37

Copper ore

1920 - 2400

20

20

D27

Copper ore, crushed

1600 - 2400

20

20

D27

Copper sulphate

1200 - 1360

31

20

17

D35

Corn, ear

900

25

18

C25N

Corn, shelled

720

21

10

10

C25NW

Cornmeal

610 - 640

35

20

22

B35W

Cryolite, lumpy

1440 - 1600

20

20

D36

Gullet

1280 - 1920

20

20

D37Z

Dolomite, lumpy

1440 - 4600

20

22

D26

Earth, as excavated - dry

1120 - 1280

35

25

20

B36

Earth, wet, containing clay

1600 - 1760

45

30

23

B46

Feldspar, 12 mm screenings

1120 - 1360

38

25

18

B36

Feldspar, 40 - 75 mm lumps

1440 - 1760

34

20

17

D36

Feldspar, 200 Mesh

1600

20

17

A36

Flour, wheat

35 - 40

21

A45PN

Fluorspar, 12 mm screenings

1360 - 1680

30

20

C46

Fluorspar, 40 - 75 mm lumps

1760 - 1920

30

27

D46

Foundry refuse, old sand cores, etc.

1120 - 1600

25

20

D37Z

Fullers earth, dry

480 - 560

23

10

15

B26

Fullers earth, oily

960 - 1040

20

20

B26

Fullers earth, oil filter, burned

640

10

15

B26

Fullers earth, oil filter, raw

560 - 640

35

25

20

B26

Glass batch

1280 - 1600

10

20 - 22

D27Z

Granite, 12 mm screenings

1280 - 1440

10

18

C27

Granite lumps 40 - 75 mm

1360 - 1440

20

18

D27

Granite, broken

1520 - 1600

20

20

D27

Graphite, flake

640

5

5

C25

Gravel, bank run

1440 - 1600

38

25

20

D26

Gravel, dry sharp

1440 - 1600

40

25

20

D27

Gravel, pebbles

1440 - 1600

30

10

12

D36

Gypsum, dust, non-aerated

1490

20

20

A36

Gypsum, dust, aerated

960 - 1120

42

25

23

A36Y

Gypsum, 12 mm screening

1120 - 1280

40

25

21

C36

Gypsum, lumps 40 - 75 mm

l1201280

30

20

15

D26

Ice, crushed

560 - 720

5

5

D16

Iron ore

1600 - 3200

35

25

18 - 20

D36

Iron ore, crushed

2160 - 2400

20

20 - 22

C26

Iron ore, pellets

1840 - 2080

20

13 - 15

D36

Iron oxide, pigment

400

40

25

25

A45

Kaolin clay, under 75 mm

1010

35

20

19

D36

Kaolin talc, 100 mesh

670 - 900

45

30

23

A46Y

Lead ores

3200 - 4320

30

20

15

B36RT

Lead oxides

960 - 2400

30

20

B53

Lignite, air dried

720 - 880

20

20

D25

Lime, ground, under 3 mm

960 - 1040

43

30

23

B45X

Lime hydrated, under 3 mm

640

40

25

21

B3SMX

Lime hydrated, pulverized

510 - 640

42

30

22

A35MXY

Lime, pebble

850 - 900

30

20

17

D35

Limestone, agricultural, under 3 mm

1090

10

20

B26

Limestone, crushed

1360 - 1440

38

25

18

C26X

Limestone, dust

1280 - 1360

30

20

A46MY

Limestone, rock

1600 - 1760

25

19

D36

Magnesium chloride

530

30

25

C46

Magnesium sulphate

1120

10

15

C25

Manganese ore

2000 - 2240

39

25

20

D37

Manganese sulphate

1120

10

15

C27

Marble, crushed, under 12 mm

1280 - 1520

10

15

D27

Marl

1280

25

20

C27

Mica, flakes

270 - 350

5

5

BW4Y

Mica, ground

210 - 240

34

20

23

B36

Mica, pulverized

210 - 240

10

15

A26MY

Molybdenite ore

1710

20

20

D36

Molybdenite, powdered

1710

40

25

25

B25

Mortar, wet

2400

10

20 - 22

B46T

Nickel - cobalt sulphate ore

1280 - 2400

20

22

D27T

Peas, dried

720 - 800

5

8

C15NQ

Phosphate, acid, fertilizer

960

26

10

13

B25T

Phosphate sand, wet

1680

20

16 - 18

B47

Phosphate triple super, fertilizer

800 - 880

45

30

30

B45T

Phosphate rock, broken, dry

1200 - 1360

25 - 30

10

12 - 15

D26

Phosphate rock, pulverized

960

40

25

25

B36

Potash, ore

1200 - 1360

20

12 - 15

D36

Pumice, under 3 mm

640 - 720

30

25

B47

Pyrites, iron, lumps

2160 - 2320

20

15

D26T

Pyrites, pellets

1920 - 2080

20

13 - 15

C26T

Quartz, 12 mm screenings

1280 - 1440

20

15

C27Z

Quartz, 40 - 75 mm lumps

1360 - 1520

20

15

D27Z

Rice, hulled or polished

720 - 770

20

10

8

B15

Rock, crushed

2000 - 2320

20

18

D26

Rock, soft, excavated with shovel

1600 - 1760

25

22

D36

Rubber, pelletized

800 - 880

35

25

22

D45

Rubber, reclaim

400 - 480

32

20

18

D45

Salt, common dry, coarse

640 - 880

10

18 - 22

C26TU

Salt, common dry, fine

1120 - 1280

25

10

11

D26

Sand, bank, damp

1760 - 2080

45

30

20 - 22

B47

Sand, bank, dry

1440 - 1760

35

20

16 - 18

B37

Sand, foundry, prepared

1280 - 1440

30

24

B47

Sand, foundry, shakeout

1440 - 1600

39

25

22

D37

Sand, Silica, dry

1440 - 1600

5

10 - 15

B27

Sand, core

1040

41

25

26

B45X

Sandstone, broken

1360 - 1440

20

20

D37

Sawdust

160 - 210

36

25

22

B35

Shale, broken

1440 - 1600

10

18

D26QZ

Shale crushed

1360 - 1440

39

25

22

C36

Sinter

1600 - 2160

10

15

D27

Slag, blast furnace, crushed

1280 - 1440

25

10

10

A27

Slag, furnace, granular, dry

960 - 1040

25

10

13 - 16

C27

Slag, furnace, granular, wet

1440 - 1600

45

30

20 - 22

B47

Slate, crushed, under 12 mm

1280 - 1440

28

20

15

C26

Slte7lumps 40 - 75mm

1360 - 1520

20

18

D26

Soap beads or granules

240 - .400

10

10

B25Q

Soap chips

240 - 400

30

10

18

C35Q

Soapstone, talc, fine

640 - 800

30

18

A45XY

Soda ash, briquettes

800

22

10

7

C26

Soda ash, heavy

880 - 1040

32

20

19

B36

Soda ash, light

320 - 560

37

25

22

A36Y

Sodium bicarbonate

655

42

30

23

A45Y

Sodium nitrate

1120 - 1280

24

10

11

D25

Sodium aluminium sulphate

1200

31

20

18

C25

Soybeans, whole

720 - 800

21 - 28

10

12 - 16

C26NW

Soybean meal, cold

640

32 - 37

20

16

B35

Starch

400 - 800

24

10

12

B25

Steel trimmings

1200 - 2400

35

25

18

E37V

Sugar, granulated

800 - 880

10

15

B25PQ

Sugar, raw, cane

800 - 1040

25

23

B36TX

Sulphur - lumpy

1200 - 1360

20

20

D25NS

Sulphur - ore

1360 - 1440

25

18

D25NS

Sulphur - powdered

800 - 880

10

23

B25NW

Titanium ore

2240 - 2560

20

20

B27

Titanium sponge

960 - 1120

30

25

E47

Traprock,12 mm screenings

1440 - 1600

20

20

C37

Traprock, lumps 50 - 75 mm

1600 - 1760

20

18

D37

Vermiculite ore

1120 - 1280

25

20

D36Y

Wheat

720 - 770

28

10

12

C25N

Wood chips

160 - 480

25

27

E45WY

Zinc ore, crushed

2560

38

25

22

D36

Zinc ore, roasted

1760

38

25

25

C36