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Chemical Name: Dolomite
Molecular Formula: CaC03•MgC03
Properties: Natural double salt of calcium carbonate and magnesium carbonate, white powder. Insoluble in water.
Uses: Widely used in coatings, building materials, ceramic ingredients, glass, refractories, gold-making solvents, paper, rubber filler, as a filter material for water treatment.
Packing: Composite plastic woven bag 25KG/bag
|
Index Item |
400 mesh |
800 mesh |
1250 mesh |
1500 mesh |
2500 mesh |
|
Calcium oxide ≥ |
31 |
31 |
31 |
32 |
33 |
|
Magnesium oxide ≤ |
20 |
21 |
21 |
21 |
21 |
|
Ferric oxide ≤ |
0.08 |
0.08 |
0.05 |
0.05 |
0.05 |
|
Moisture% ≤ |
0.5 |
0.5 |
0.4 |
0.4 |
0.4 |
|
Whiteness% ≥ |
92 |
93 |
93 |
94 |
94 |
|
PH value |
9±0.5 |
9±0.5 |
9±0.5 |
9±0.5 |
9±0.5 |
|
Average particle size |
8.0 |
4.0 |
3.0 |
2.4 |
1.3 |
|
Oil absorption |
13-16 |
16-20 |
20-22 |
22-24 |
24-26 |
|
45um sieve residue |
0.05 |
0.005 |
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