Use:
1. Industrial silica fume widely used in refractories, powder metallurgy industry, to improve the product's high temperature, wear resistance and oxidation resistance. Its products are widely used in steel-making furnaces, kilns, kiln furniture.
2. in the organic silicon chemical industry, the industrial silicon powder is the basic raw material of the organic silicon polymer synthesis,, Waterproof and other characteristics.
3. the industrial silicon powder made by the single crystal silicon, processed silicon is widely used in high-tech fields, integrated circuits, electronic components essential raw materials.
4. Metallurgical casting industry, the industrial silicon powder as a non-iron-based additives, silicon steel alloy agent, thereby enhancing the steel hardenability. Industrial silicon powder can also be applied to certain metals reductant for new ceramic alloys.
5. for the production of silica sol.
Common specifications for the 180 to 325 mesh, 200 mesh, 325 mesh, 800 mesh and so on
According to user needs to provide different particle size range.

Technical Specifications

	Index	553 Grade	441Grade	421Grade	3303Grade	2503Grade	2202Grade
	Si	98.5%	99%	99%	99%	99%	99%
Specificati	Fe	0.5%	0.4%	0.4%	0.3%	0.2%	0.2%
on	Al	0.5%	0.4%	0.2%	0.3%	0.5%	0.2%
	Ca	0.3%	0.1%	0.1%	0.03%	0.03%	0.02%
	Size	45-325mesh, -200mesh, -325mesh or as per your order
Packing	25kg/bag or 1000kg/bag

We can provide any grade and size of Si powders according to your required specifications and applications.