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Minerals, Metals and Materials Business Directory << Metal Mineral << Silicon Metal Powder

Silicon Metal Powder

Silicon Metal Powder
High purity silicon metal powder is a heat-resistant and refractory material.
Different clients have different requirements on specifications. We can supply according
to client's requirements. The following are some examples.
Example 1:
1) Si (silicon): 99.95% min.
2) Fe (iron): 500ppm max.
3) Ni: 0.01% max.
4) Cr: 0.01% max.
5) Cu: 0.01% max.
6) Ca: 0.01% max.
7) Oxygen: ?5,500ppm
8) Size: 36 - 100? m with following distribution:
a) < 36? m: 5% max.
b) 100? m: 5% max.
c) < 63? m: 40% max.
Example 2:
1) Si: 99.95% min.
2) Fe: 300ppm max.
3) O (oxygen): 5,500ppm max.
4) Size:
a) 140 - 200 mesh:
i) > 200 mesh: 5% max.
ii) <140 mesh: 5% max.
b) 100 - 140 mesh:
i) > 140 mesh: 5% max.
ii) <100 mesh: 5% max.
Example 3:
1) Si: 99.98% min.
2) Fe: 300ppm max.
3) O (oxygen): ?3,000ppm
4) Al (aluminum): 200ppm max.
5) Ti (titanium): 50ppm max.
6) Size: -125 + 45? m
a) > 125? m: 5% max.
b)

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