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Silicon powder special for refractory
Silicon powder,it is silver gray or dark gray powder with metallic luster.With the characteristic of high melting point, good heat resistance, high resistivity and high antioxidant effect, it is the basic raw material to refractiry industry,such as refractory castables,stopper rod.
Si |
Fe |
Al
|
Ca |
Size |
|
|
Silicon powder Special for refractory |
99%min |
0.4% |
0.4% |
0.2% |
-300--350mesh |
|
98.5%min |
0.5% |
0.5% |
0.3% |
-300--350mesh |
|
98%min |
0.6% |
0.5% |
0.3% |
-300--350mesh |
Normal Silicon powder |
99%min |
0.2% |
0.2% |
0.02% |
-20--120mesh |
|
99%min |
0.4% |
0.2% |
0.1% |
-40--140mesh |
|
99%min |
0.4% |
0.1% |
0.1% |
-40--160mesh |
|
99%min |
0.3% |
0.3% |
0.1% |
-40--120mesh |
|
99%min |
0.4% |
0.2% |
0.1% |
-150--250mesh |
|
99%min |
0.4% |
0.1% |
0.1% |
-40--325mesh |
Low grade Si powder |
90-97% |
Impurity content max 8.0% |
|||
Applications
1.Substitute for Aluminum oxide mud as refractory material.
2.Used as additive in producing amorphous and shaped refractory products, greatly improve the strength and high-temperature behavior.
3.Used as castables binder of teeming ladle.
4.As cohesive agent, binder, coagulant, additives of other refractory products.
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