HEBEI GAOYI CHANGJIU ZINC INDUSTRY CO., LTD.
河北省高邑昌久锌业有限责任公司
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Add:Shiliangzhuang Industrial Area,
Gaoyi County,Shijiazhuang city,
Hebei Province,China
Liaison:ShiMoQing(Manager)
Tel:86-311-84063706/84013999
Fax:86-311-84013268
Mob:86-13503331197
E-mail:shimoqing@sina.com
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Product Code:
07
Product Name:
Magnesium Carbonate
Molecular formula:
XMgCO3·ymg(HO2)·ZH2O
Molecular weight:
365.31
Physical properties:
White monoclinic crystal or amorphous power , non-toxic, odourless, stable air.
 
Product Description:
Production method:Brine ammonium bicarbonate method is adopted for the light magnes ium carbonate in industry.

Uses:Mainly used as for filling agent and of rubber, insulation material, plastic and paint.

Packing and storage:This product is packed with plastic-lined and plastic-coated woven bags, 20KG per bag .This prosuct should be kept from breakage, Moisture, pollution and contact with acid.
INDEX 指标
  Excellent product First-class product Qualified product
Moisture content/% ≤ 2.0 3.0 4.0
Hydrochloric acid inssoluble matter/% ≤ 0.10 0.15 0.20
Calcium oxide(CaO)/%≤ 0.43 0.70 1.0
Magnesium oxide(MgO) /%≥ 41.0 40.0 38.0
burnt loss /%≤ 54-58 54-58 大于52.0
Chloride(calculated with CL)/% ≤ 0.10 0.15 0.30
Ferric(Fe) /%≤ 0.02 0.05 0.08
Manganese(Mn)/% ≤ 0.004 0.004 -
Sulfate(calculated with SO)/%≤ 0.10 0.15 0.30
Screeing residues(150mm) /%≤
(75mm)
0.025 0.03 0.05
1.0 - -
Bulk density/% ≤ 0.12 0.14 -
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