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Magnesium Hydroxide
Model:JZBT-MH Series
Appearance:White Powder
Cas No.:1309-42-8
Hs Code:2816100090
Magnesium hydroxide for flame retardant

Magnesium Hydroxide

CAS:1309-42-8

Purity:99% 
Appearance: white powder

Molecular Formula: Mg(OH)2

Molecular Weight: 58.32
Packing: 25kgs/bag

Property:  

1. Whitepowder or paste

2. Solublein diluted acid and ammonium salt and almost insoluble in water and alcohol

3.Solubility in water (18°C) is 0.9mg/100ml

4. Moh’shardness is 2.5

5.Refractive index is 1.56

6. Astemperature reaches 350°C, it begins to decompose into magnesium oxide andwater

7. Astemperature is above 500°C, it will change into magnesium oxide by losing water

Magnesiumhydroxide is a white powder which is nontoxic, odorless, non-corrosion and withgood flame retarding effect. It has good stability, decomposition temperatureis about 330, especially suitable for resin processed in relative hightemperature. Large amount of vapor is produced during combustion, the heat istaken away and the temperature drops. The hardness is less than that ofaluminum hydroxide. According to different applications, we are offeringwide range types of magnesium hydroxide, with different particlesize\whiteness, and we can also offer natural grade or coated types asrequested.

Specification:

Item

MH-2

MH-3

MH-6

MH-10

Appearance

White Powder

White Powder

White Powder

White Powder

Mg(OH)2 %

98 min

93 min

92 min

91 min

MgO%

67 max

64 max

63 max

62 max

SiO2%

0.5 max

1.6 max

2.0 max

2.5 max

CaO%

0.30 max

0.8 max

1.3 max

1.6 max

Fe2O3%

0.20 max

0.20 max

0.3 max

0.5 max

Whiteness %

95 min

91 min

89 min

86 min

Particle Size D50 μm

1~3

2~5

5~8

9~14

Loss On Ignition %

30±2

30±2

30±2

30±2

Application:   

(1.Magnesium hydroxide canbe used as inorganic flame retardant additive to plasticproducts. Such as nuclear power plant cable and submarine opticalfiber cable, the main board’s covering material of electrical householdappliances.....

(2.In theaspect of environmental protection, it can used as Flue gas desulfurizationagent, waste water treatment agent with excellent absorption, bleaching,antibacterial effect, and no secondary pollution.

1)Advantages:

1. Solublein water 
2. Effectively supplement Mg 
3. Repair the quality of acid soil
4. Slow-release, long-time effective 
5. Excellent disintegration property
6. Easy for crop uptake.

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