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Magnesium Oxide Powder Aluminium Tube Powder

wd-7

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Description

WD-7 is an Aluminium Tube Powder with heavy silicone treatment and higher tap density, especially suitable for aluminum elements. Elements stuffed with this material are proposed to be annealed at 300degree for 1.5 hours or at 420degree for 15mins.
Chemical Analysis (%)
MgO CaO Al2O2 Fe2O3 SiO2
≥94.0 ≤1.5 ≤0.9 ≤0.5 ≤2.5
Particle Distribution
Mesh ＋40 ＋60 ＋80 ＋140 ＋200 ＋325 －325
Dia(um) ＋425 ＋250 ＋180 ＋106 ＋75 ＋45 －45
Quantity (%) 0－1 26－38 16－24 18－28 6－14 8－14 0－8

Tap Density
2.36－2.50g/cm3

Flow
3# Ford Cup（φ2.165mm－2.185mm）：160－240s/100g
4# Ford Cup（φ3.97mm－4.01mm）：34－40s/100g

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