Off-Grade Silicon: Overview | Silicon Metal 97 at the Best Price

What is Off-Grade Silicon?

Off-grade silicon is a type of non-conforming silicon metal, appearing as gray blocks with a metallic luster. It mainly consists of Si, Fe, Al, and Ca. Rich in silicon, its Si content is typically ≥97%, earning it the designation "97 Grade Silicon Metal".

Specifications of Off-Grade Silicon

Production Process of Off-Grade Silicon

The process of producing gray solid silicon metal is not straightforward and typically involves several stages: raw material screening, blending, smelting, and casting. During silicon metal production, factors such as the quality of raw materials, power outages, furnace conditions, and temperature can lead to variations, resulting in silicon metal that fails to meet specifications and is sold as off-grade silicon.

Uses of Off-Grade Silicon

• Efficient deoxidation of molten steel.
• Improvement of various performance aspects of steel.
• Enhancement of aluminum castability.
• Improvement of cast iron quality.
• An effective reducing agent in metallurgy.
• After purification, serving as raw material for silicon products.

Advantages of Off-Grade Silicon

• Higher silicon content compared to ferro silicon.
• Cost-effective.
• Wide range of applications.
• Good stability.
• Relatively high hardness.
• Excellent oxidation resistance.
• Corrosion resistance.
• Minimally prone to deterioration.

Sustainability of Off-Grade Silicon

As the market demand for silicon metal continues to grow, manufacturers often encounter various challenges during production, leading to a significant surplus of off-grade silicon. With a higher silicon content than ferro silicon, off-grade silicon acts as a "high-silicon ferro silicon" with excellent deoxidation properties, yet it is more cost-effective than ferro silicon. This makes it widely used in different steelmaking processes.

As industrial technology advances, off-grade silicon, as an economical by-product, benefits from its price advantage and is increasingly applied across various industries. After purification, it serves as a raw material in sectors such as silicone rubber, semiconductors, and photovoltaics, significantly reducing production costs.

Moreover, with the influence of environmental protection policies, exploring the applications of off-grade silicon can greatly alleviate the supply and demand pressure on silicate raw materials like ferro silicon and silicon metal, thereby promoting the enforcement of environmental policies.

Wholesale 97 Grade Silicon Metal at Competitive Prices

XLS Metals is a professional supplier of silicon metal, possessing advantageous procurement and sales channels for 97 grade silicon metal. We offer 97 grade silicon at favorable prices and provide wholesale bulk options for our customers.

As a manufacturer focused on user experience, XLS Metals features an independent research and development laboratory and a professional sales team. Through years of R&D and follow-up visits with hundreds of clients, we have optimized the production processes and performance of silicon metal, resulting in high-efficiency products.

XLS Metals supplies off-grade silicon to many renowned companies globally, with applications spanning the aluminum, casting, steelmaking, photovoltaic, and silicone rubber industries. We ensure stable quality and excellent service.

For a long time, XLS Metals has gained popularity and accolades from users due to its reliable quality and efficient service, establishing itself as the leading supplier of off-grade silicon.