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Manufacturers selling
Varied specifications
Used in the manufacture of magnesium, magnesium oxide, fireproof, paint, ink, pottery, glass, toothpaste, rubber, pigment, dately used product industry, also as food additive and anti-acid agent in pharmaceutical industry, as high-quality filler and reinforcement agent of rubber products, as fireproof and thermal insulation materials resistant to high temperature.
Packing: pp woven bag lined with polyethylene plastic bag, 20kg/bag
Standard: HG/T2959-2000
Items | The excellent grade/Light | The first grade/Light | The qualified grade | Industrial grade/Heavy | |
MgO ≥ | 41-45 | 40-45 | 38 | 40-45 | |
CaO ≤ | 0.43 | 0.7 | 1.0 | 0.7 | |
Water ≤ | 2.0 | 3.0 | 4.0 | 3.0 | |
Chloride ≤ | 0.1 | 0.15 | 0.3 | 0.5 | |
Fe ≤ | 0.02 | 0.05 | 0.08 | 0.05 | |
Acid-insoluble substance≤ | 0.1 | 0.15 | 0.2 | 0.15 | |
Sulphate ≤ | 0.1 | 0.15 | 0.3 | 2 | |
Mn ≤ | 0.004 | 0.004 | - | 0.004 | |
loss on ignition ≤ | 54-58 | 54-58 | ≥ 52.0 | 54-58 | |
Accumulation density ≤g/ml | 0.12 | 0.14 | - | ≥0.4 | |
Screen Residues≤ | 150um | 0.025 | 0.03 | 0.03 | 0.03 |
75um | 1.0 |
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