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High Purity Magnesium Hydroxide CAS NO. 1309-42-8

Chemical Name: Magnesium Hydroxide

CAS NO.: 1309-42-8

Synonyms: Milk of magnesium, magnesia hydrate, magnesium dihydroxide, magnesium hydroxide powder

Purity: ≥99%

Molecular Formula: Mg(OH)2

Molecular Weight: 58.32

Magnesium Hydroxide Specifications:



Mg(OH)2 ≥(%)




Hydrochloric Acid Insoluable Matter≤(%)






Size residue≤(%)


Size D50 (μm)


Ignition loss≥(%)





White powder

Note: For more information about the data, just feel free to contact us.

Magnesium Hydroxide Flame Retardant Advantages:

1. It is a low smoke zero halogen flame retardant material. It is non-toxic and odorless, does not produce toxic gas and corrosive gas when burning. The magnesium hydroxide will not corrode the mold. And it won’t produce secondary pollution.

2. Excellent flame retardant, smoke suppression performance and filling function. Its physical morphology is granular, which is conducive to uniform distribution, good compatibility with the base material, and has little effect on the mechanical properties of the finished products. Modified magnesium hydroxide has better dispersion.

3. Magnesium hydroxide thermal decomposition temperature up to 340 degrees, which is 100 degrees higher than aluminium hydroxide. Therefore, it is advantageous to the plastic processing temperature enhancement, accelerates the extrusion speed, enhances the plasticizing effect, and shortens the molding time. The finished product surface gloss is high, so there will be no surface flaw.

High Purity Magnesium Hydroxide CAS NO. 1309-42-8 Applications:

1. Top Chemical Magnesium hydroxide is an excellent flame retardant for plastics and rubber products. For example, it can be used for PVC, PE cables and wires as the fire retardant.

2. In environmental protection, it is used as flue gas desulfurization (FGD) agent. In wastewater treatment, magnesium hydroxide can display the lime and caustic soda as the neutralizer of acid-containing waste water and the absorbent of the heavy metal.

3. For other applications, it can also be used for the pharmacy, sugar refining, and electronics industry, as insulating materials and for the producing of other magnesium salt products.

Packaging & Storage of High Purity Magnesium Hydroxide CAS NO. 1309-42-8:

Package adopts plastic-woven sack with polythene inner bag of 20kg, 700kg or 1000kg, or as required.

Please stock at well ventilated and dry place. url:

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Target City : All Cities
Last Update : Jul 16, 2019 10:47 AM
Number of Views: 1
Item  Owner  : Zhengzhou Top Trading Co., Ltd.
Contact Email:
Contact Phone: 86-371-86631068

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2019-07-17 (0.104 sec)