牌　號(hào) (Designation)

代　號(hào) Code

?！　　　《?Grain Size

活性鎂
不小于,% Reactive Metal

篩網(wǎng)孔徑（μ m）Mesh Dia

不大于,% Grain Size

一號(hào)鎂粉

1﹟Magnesium Powder

FM₁

+ 500

0.3

98.5

+ 450

2

+ 250

8

二號(hào)鎂粉

2﹟Magnesium Powder

FM₂

+ 450

0.3

98.5

+ 315

8

- 180

12

三號(hào)鎂粉

31﹟Magnesium Powder

FM₃

+ 450

0.3

98.5

+ 250

8

- 140

12

四號(hào)鎂粉

4﹟Magnesium Powder

FM₄

+ 250

0.3

98.5

+ 180

6

- 100

12

五號(hào)鎂粉

5﹟Magnesium Powder

FM₅

+ 160

0.3

98.5

+ 100

10