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Flame Retardant

Magnesium hydroxide CAS 1309-42-8

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Product Name: Magnesium hydroxide


Item Specifications
CAS No. 1309-42-8
Molecular Formula Mg(OH)2
Molecular Weight 58.32
Appearance White powder
Magnesium Hydroxide % >87
Magnesium oxide % >60
Surface water % <1.0
Calcium Oxide(CaO) % <2.0
Iron as Fe % <0.5
Loss on Ignition % >30
Sulphates as[SO4]2- % <0.1
Chloride as C1- % <0.1
Bulk Density g/cm3 >0.1

Packing: 25kg/Bag



Magnesium hydroxide is an excellent flame retardant for plastics and rubber products. As a desulfurizer of flue gas, it can replace caustic soda and lime as neutralizer of acid containing wastewater. It is also used as oil additive to prevent corrosion and desulfurization. In addition, it can also be used in electronics industry, medicine, sugar refining, as insulation materials and manufacturing other magnesium salt products.


It is used as a raw material or intermediate.



Stored in a cool dry and ventilated place.


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