标题

Magnesium Carbonate

Basic Magnesium Carbonate

Product Description: Basic Magnesium Carbonate is a white, light, loose powder with stable chemical properties and broad industrial applicability. It can be used in rubber reinforcement, insulation materials, glass-related systems, pigments, coatings, and other processing applications requiring stable magnesium carbonate performance.

Applications: Rubber fillers and reinforcement, thermal insulation and fire-resistant materials, electrical insulation materials, glass-related materials, pigments and coatings, daily chemical products, and carrier / anti-caking / drying-related systems.

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// Technical Data

Item	Premium Grade	First Grade	Qualified Grade
MgO (%)	≥ 45.0	≥ 41.0	≥ 38.0
CaO (%)	≤ 0.43	≤ 0.7	≤ 1.0
HCl Insoluble Matter (%)	≤ 2.0	≤ 3.0	≤ 4.0
Sulfate (as SO₄, %)	≤ 0.10	≤ 0.15	≤ 0.30
Loss on Ignition (%)	54–58	54–58	> 52.0
Fe (%)	≤ 0.02	≤ 0.05	≤ 0.08
Chloride (Cl, %)	≤ 0.10	≤ 0.15	≤ 0.30
Mn (%)	≤ 0.004	≤ 0.004	—
Residue (150 μm / 75 μm, %)	≤ 0.025 / 1.0	≤ 0.03 / —	≤ 0.05 / —
Bulk Density (g/ml)	≤ 0.120	≤ 0.140	—
Moisture (%)	≤ 2.0	≤ 3.0	≤ 4.0
Appearance	White, light, loose powder	White, light, loose powder	White, light, loose powder