Silicon Metal Powder is a high purity industrial silicon raw material widely used in silicone polymer production, organosilicon chemical manufacturing, alloy processing, and advanced industrial applications. Produced by crushing, grinding, and classifying silicon metal, silicon metal powder features high silicon content, controlled particle size, and low impurity levels, providing excellent reaction performance and stable quality for silicone-related chemical processes.
Silicon Metal Powder Specifications
| Item |
Specification |
| Product Name |
Silicon Metal Powder |
| Application |
Silicone Polymer Production |
| Silicon Content |
Si 98%-99% |
| Appearance |
Gray powder |
| Particle Size |
Customized |
| Impurity Control |
Low Fe, Al, Ca content |
| Packaging |
25kg bags / Jumbo bags |
Chemical Composition
The quality of silicon metal powder for silicone polymer production mainly depends on silicon purity and impurity control.
| Element |
Typical Requirement |
| Silicon (Si) |
≥98%-99% |
| Iron (Fe) |
Low controlled level |
| Aluminum (Al) |
Low controlled level |
| Calcium (Ca) |
Low controlled level |
Low impurity silicon material helps improve process stability and maintain consistent quality during organosilicon production.
Applications in Silicone Polymer Production
Silicone Rubber Production
Silicon metal powder is used as a raw material source for silicone rubber manufacturing. Silicone rubber is widely applied in:
- Automotive components
- Electrical insulation
- Medical products
- Sealing materials
- High-temperature applications
Silicone Fluid Manufacturing
High purity silicon materials are used in producing silicone fluids with properties such as:
- Thermal stability
- Chemical resistance
- Low temperature flexibility
- Electrical insulation performance
Applications include:
- Lubricants
- Coatings
- Personal care materials
- Industrial fluids
Organosilicon Chemical Production
Silicon metal powder is an essential raw material in the production of organosilicon compounds. Typical applications:
- Silane intermediates
- Silicone resins
- Silicon-based chemical materials
High purity silicon powder helps chemical manufacturers achieve stable production performance.
Product Advantages
High Silicon Content
High Si content provides reliable silicon supply for chemical synthesis and industrial applications.
Low Impurity Levels
Controlled Fe, Al, and Ca content helps reduce unwanted effects during chemical reactions.
Customized Particle Size
Different particle sizes are available according to production requirements. Common sizes include:
- 45μm (325 mesh)
- 75μm
- 100 mesh
- 200 mesh
- Customized micron sizes
Stable Batch Quality
Professional quality control ensures consistent chemical composition and physical properties.
Selection Guidelines
Silicon Purity
Higher silicon content helps maintain stable chemical conversion efficiency.
Impurity Control
Low levels of Fe, Al, and Ca are important for maintaining product consistency.
Particle Size Distribution
Fine powder provides:
- Better mixing
- Larger reaction surface area
- Improved processing efficiency
Supply Stability
Reliable batch consistency is important for continuous chemical production.
Comparison: Powder vs Lump
| Item |
Silicon Metal Powder |
Silicon Metal Lump |
| Form |
Fine powder |
Lump |
| Particle Size |
Customized micron/mesh size |
Large pieces |
| Reactivity |
Higher surface activity |
Lower surface area |
| Application |
Chemical production, additives |
Industrial melting and alloying |
| Processing |
Ready for powder applications |
Requires further processing |
Quality Control
ZhenAn applies strict quality control procedures:
- Raw material inspection
- Silicon content analysis
- Impurity testing
- Particle size testing
- Batch consistency verification
Quality documents including COA are available according to customer requirements.
Packaging Options
Standard packaging options:
- 25 kg bags
- 500 kg jumbo bags
- Customized export packaging
Packaging can be adjusted based on customer transportation and storage requirements.
Frequently Asked Questions
What is silicon metal powder used for in silicone production?
Silicon metal powder provides silicon raw material for producing organosilicon compounds, silicone polymers, silicone rubber, and silicone fluids.
What purity of silicon metal powder is suitable for silicone production?
Silicon metal powder with Si content of 98%-99% and controlled impurities is commonly used for silicone-related applications.
Why is low impurity silicon powder important for silicone manufacturing?
Low impurity levels help maintain stable chemical reactions and improve consistency in silicone polymer production.
What particle size is recommended for silicone polymer production?
Particle size depends on the production process. Fine silicon metal powder such as 45μm or customized micron sizes is commonly selected for chemical applications.
Can ZhenAn provide customized silicon metal powder?
Yes. ZhenAn can supply customized silicon metal powder according to silicon grade, particle size, packaging, and technical requirements.
Supplier Information
ZhenAn provides high purity low impurity silicon metal powder for silicone polymer producers, chemical manufacturers, alloy companies, and industrial material users worldwide. With stable quality control, customized particle sizes, and professional technical support, ZhenAn supplies reliable silicon raw materials for advanced industrial applications.
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