Differences Between Silicon Metal 1101 & Silicon Metal 3303
Silicon metal (Si) is a fundamental raw material, powering industries from aluminum alloys and silicones to solar panels and electronics. Choosing the right grade is critical for product performance and cost-efficiency. Two commonly requested grades, Silicon Metal 1101 and 3303, serve distinct purposes. Understanding their differences ensures you source the optimal material for your application.
Silicon Metal 1101
Composition: Characterized by its exceptionally low impurity levels:
- Silicon (Si): Min. 99.79%
- Iron (Fe): Max. 0.10%
- Aluminum (Al): Max. 0.10%
- Calcium (Ca): Max. 0.01%
Primary Applications:
- Demanding processes where trace impurities can significantly impact quality or performance.
- High-performance Aluminum Alloys (e.g., aerospace, automotive castings requiring superior strength and finish)
- Semiconductor & Electronics Grade Silicon production (base material)
- Specialized Silicones and Chemical Synthesis
- Photovoltaic (Solar) Grade Silicon production
Silicon Metal 3303
Composition: Offers a balanced specification suitable for a wide range of applications:
- Silicon (Si): Min. 99.37%
- Iron (Fe): Max. 0.30%
- Aluminum (Al): Max. 0.30%
- Calcium (Ca): Max. 0.03%
Primary Applications: General industrial uses where high purity is less critical than cost-effectiveness.
- Foundry Grade Aluminum Alloys (engine blocks, wheels, general castings)
- Ferrosilicon production
- Silicones for construction and sealants
- Chemical industry feedstocks
Choosing Between Silicon Metal 1101 and Silicon Metal 3303:
Opt for Silicon Metal 1101 if:
Your process demands the absolute lowest levels of Fe, Al, and Ca to achieve specific metallurgical properties, electrical characteristics, or chemical purity. This is essential for high-end alloys, electronics, and solar.
Opt for Silicon Metal 3303 if:
Your application requires good quality silicon but can tolerate slightly higher impurity levels. It provides significant cost savings for aluminum foundries, ferrosilicon production, and many chemical processes where ultra-high purity isn't mandated.
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For every order, we perform over four rigorous inspections using spectrometry and chemical analysis:
- Raw Material Chemical Analysis
- Molten Liquid Chemical Analysis (during production)
- Particle Size Distribution & Physical Property Testing
- Final Chemical Analysis before Loading & Shipment
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Your satisfaction is paramount. We guarantee a response to any after-sales inquiry within 24 hours.
Why Choose ZhenAn International for Your Silicon Metal Supply?
At ZHEN AN INTERNATIONAL CO., LIMITED (ZhenAn), we are more than just a supplier; we are your reliable partner for high-quality silicon metal grades 1101, 3303, and many others.
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