Metal Silicon 853 is a metallurgical-grade silicon containing approximately 98% Si, with controlled Fe ≤0.8%, Al ≤0.5%, and Ca ≤0.3%. It is widely used as a deoxidizer, alloying additive, and silicon source in aluminum production, chemical manufacturing, and metallurgical processes.

product-1440-1080

Applications

Aluminum Alloy Production – Used as a silicon additive to improve casting performance, strength, and wear resistance of aluminum alloys.

Silicone & Chemical Industry – Serves as a raw material for producing silicone polymers, silanes, and other silicon-based chemicals.

Steelmaking – Functions as a deoxidizer and alloying material to improve steel cleanliness and processing stability.

Foundry Industry – Added during iron and alloy casting to adjust chemical composition and enhance casting properties.

Metallurgical Processing – Used as a silicon source in various non-ferrous alloy manufacturing and refining operations.

Production & Quality Assurance

Production Process
Raw Material Selection – High-quality quartz and carbon materials are selected according to production specifications.

Electric Arc Furnace Smelting – Silicon metal is produced through high-temperature reduction in submerged arc furnaces.

Refining & Impurity Control – Smelting parameters are controlled to achieve the required Si content and impurity limits.

Crushing & Screening – Solidified silicon is crushed and screened into the specified particle size range.

Packaging & Warehouse Storage – Qualified material is packed, labeled, and stored before shipment.

Quality Control

Raw material chemical composition inspection

Furnace process monitoring

Silicon (Si) content analysis

Iron (Fe) content verification

Aluminum (Al) content verification

Calcium (Ca) content verification

Particle size distribution inspection

Visual inspection for contamination and foreign materials

Net weight verification

Final batch inspection before shipment

Customization Options

Chemical composition according to customer specification
Silicon purity grades
Fe / Al / Ca impurity limits
Particle sizes (10-100mm, customized sizing)
Product shape (lump, granule, powder)
Bulk bag weight options
OEM private label
Customer logo printing
Shipping mark customization
Documentation according to destination market

Packaging & Shipping

Packaging
1 MT polyester woven jumbo bag
Palletized packaging available
Customized packaging upon request

Shipping
Sea freight (FCL/LCL)
Air freight for urgent orders
Express courier for samples

FAQ

Q: Can I request samples before placing a bulk order?

A: Yes. Sample orders are available. Customers typically pay the sample cost and courier freight, which can be discussed based on project requirements.

Q: What documents can you provide for export?

A: Depending on customer requirements, we can provide:

Commercial Invoice
Packing List
Certificate of Origin
Bill of Lading
Certificate of Analysis (COA)
Other export documents upon request

Q: What payment methods do you accept?

A: Standard payment is T/T. Western Union and PayPal are accepted for sample-related payments and courier costs.

Q: How should Metal Silicon 853 be stored?

A: Store the product in a dry, well-ventilated warehouse, keep the packaging sealed, and protect it from moisture and contamination during storage and transportation.

Q: What after-sales support do you provide?

A: We provide technical documentation, batch traceability, shipment tracking, quality issue response, and timely support for product-related inquiries after delivery.