Magnesium Powder (GB5149.1-2004)


Application

It is used in Military,fireworks,and chemical industry.

Specification

Can be produced according to user demand.

Table 1 magnesium powder produced by milling method

Type

Size

Bulk Density not less than /(g/cm3)

Chemical composition/%


Sieve Diameter/μm


not more than /%

Active Mg not less than 

impurities not more than 

Fe

Cl

H2O

HCl insoluble

FM1

+500

0.3

0.35

98.5

0.2

0.005

0.1

0.2

+450

2

-250

8

FM2

+450

0.3

0.35

+315

8

-180

12

FM3

+450

0.3

0.38

+250

8

-140

12

FM4

+250

0.3

0.40

+180

6

-100

12

FM5

+160

0.3

0.45

+100

10


Table 2 Milling and comminution production of magnesium powder


Type

Size

Bulk Density not less than/(g/cm3)

 

Chemical composition/%

Sieve Diameter/μm

not more than /%

Active Mg not less than 

impurities not more than 

Fe

Cl

H2O

HCl insoluble

FM6

+1600

0.5

1.00

98.5

0.2

0.005

0.2

0.2

+850

25

-400

10

-200

2

FM7

+1000

0.5

0.95

98.5

+850

50

-400

5

-200

2

FM8

+800

1.5

0.85

98.5

+500

40

-200

1.5

FM9

+450

0.3

0.70

98.0

+250

8

-140

12

FM10

+200

0.3

0.60

96.5

+154

7

-60

15

F11

+76

5

0.50

95.5

+60

15

 

Passivating


The magnesium powder for steel-making should be passivated.The process of passivation is confirmed according to the negotiation of seller and buyer.But after passivation the powder must meet the index as follows;Mg content not less than 92%,infalmmation point not less than 560℃,time of fire reterdancey at 1000℃ not less than 15s,IC angle not more than 30°.


Package,Transport and Storage


It is also packed according to the customer’s need,carefully keep away form moist and damp.NO throwing and crushing when unloading and loading.




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