Lump Silicon Metal
Products Description
Lump Silicon Metal (blocky metallic silicon, also known as blocky industrial silicon or blocky crystalline silicon) is the most common original form of metallurgical grade metallic silicon. It is produced by smelting with quartz sand and petroleum coke in a blast furnace at high temperatures and then casting into shape. The main component silicon content is ≥ 98.5%, and it is the most widely used basic raw material of industrial silicon in global aluminum alloys, organic silicon, photovoltaic and other industries.
Core application fields
- Aluminum alloy industry: As a core alloy element added, it significantly enhances the strength, corrosion resistance and casting performance of aluminum alloys, and is the core raw material for automotive wheels, architectural profiles, and aviation aluminum materials;
- Organosilicon industry: Synthesize organic silicon monomers, silicone oil, silicone rubber, silicone resin, etc., and are widely used in sealing, electronics, medicine, and construction fields;
- Photovoltaic new energy: As a production raw material for polysilicon and monocrystalline silicon, it is the basic raw material for photovoltaic cell sheets and semiconductor chips;
- Metallurgical industry: Used for deoxidation in steelmaking and special alloy smelting, to improve the performance of steel;
- Fire-resistant materials industry: Processed into silicon powder as raw material, to enhance the high-temperature strength and erosion resistance of refractory bricks and casting materials.
Our products
Why choose us
Direct source supply
Own mine furnace production line, full-process control from smelting to finished product, without any middlemen' price hikes
National standard quality
Strictly follow national standards for production, each batch comes with a third-party test report, the content of impurities is precisely controllable
Complete specifications
Cover all grades such as 553/441/421/3303, and can customize special impurity requirements for custom grades
High adaptability
The standard block shape is compatible with the majority of industrial silicon downstream production processes, and no additional crushing processing is required.
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