牌 號 (Designation) | 代 號 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 | 一號鎂粉 1﹟Magnesium Powder | FM1 | + 500 | 0.3 | 98.5 | + 450 | 2 | + 250 | 8 | 二號鎂粉 2﹟Magnesium Powder | FM2 | + 450 | 0.3 | 98.5 | + 315 | 8 | - 180 | 12 | 三號鎂粉 31﹟Magnesium Powder | FM3 | + 450 | 0.3 | 98.5 | + 250 | 8 | - 140 | 12 | 四號鎂粉 4﹟Magnesium Powder | FM4 | + 250 | 0.3 | 98.5 | + 180 | 6 | - 100 | 12 | 五號鎂粉 5﹟Magnesium Powder | FM5 | + 160 | 0.3 | 98.5 |
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