Silicon Metal Powder 3301
Silicon Metal Powder for Chemical and Precision Casting is a premium-grade silicon powder produced from high-quality metallurgical silicon (such as Si 553 and Si 441) through advanced crushing, precision grinding, and strict particle size classification processes. With excellent purity and controlled granularity, it serves as an ideal raw material for chemical synthesis, precision casting, refractory applications, and as an effective alloying additive in non-ferrous metals.
Products Specification
| Grade | Size | Chemical Compositions (%) | ||||
| Mesh | Si | Fe | Al | Ca | ||
| ≥(Min) | ≤(Max) | |||||
| For Chemical use |
3301 | 10-120 | 99.4 | 0.3 | 0.3 | 0.03 |
| 441 | 99.3 | 0.4 | 0.1 | 0.1 | ||
| 421 | 99.1 | 0.4 | 0.2 | 0.1 | ||
| 441 | 99.0 | 0.4 | 0.4 | 0.1 | ||
| 553 | 98.5 | 0.5 | 0.5 | 0.3 | ||
| For Metallurgy use |
421 | 180-352 | 99.0 | 0.4 | 0.2 | 0.1 |
| 441 | 98.8 | 0.4 | 0.4 | 0.1 | ||
| 532 | 98.5 | 0.5 | 0.3 | 0.2 | ||
| 643 | 98.0 | 0.6 | 0.4 | 0.3 | ||
| 876 | 97.0 | 0.8 | 0.7 | 0.6 | ||
Size: 180-325; etc.
Specifications and sizes can be customized according to customer requirements.
Product Features
High-Purity Material
The product uses high-grade Si553/Si441 silicon with ≥98% purity and ≤0.3% impurities, ensuring clean reactions and dense castings.
Excellent Flowability
With a 50–800 mesh size range and uniform round particles, the powder flows smoothly for efficient and even mold filling.
High-Temperature Stability
Refined silicon powder remains stable below 1600°C without agglomeration or decomposition, ensuring casting precision.
Enhanced Bonding Strength
The powder bonds tightly with metal matrices, improving compressive strength by 20–30% and extending service life by about 40%.
Product Application
Silicon-Based Alloy Preparation
Silicon metal powder can be fused with aluminum, iron, and other metals to produce high-strength, corrosion-resistant silicon-based alloys, widely used in aerospace and automotive engine components.
Electronic Ceramic Materials
Silicon metal powder for chemical casting can be used in the production of semiconductors and ceramic substrates, improving conductivity and high-temperature resistance, and is an important raw material for electronic packaging materials.
Metalized Coatings
Combined with resins or metals, it can be used to coat casting surfaces, enhancing wear resistance and oxidation resistance.
Silica Sol and Refractory Materials
Silica Sol powder can be made into silica sol for use in refractory castables and high-temperature protective coatings, enhancing thermal stability and structural strength.
Chemical Reducing Agent
It can be used as a reducing agent in chemical casting to reduce metal oxides to pure metal.
High-Temperature Lubricants
Fine silicon powder can be combined with graphite or ceramics to form high-temperature lubricants, reducing metal friction and wear.
Packing
Packaging can be produced according to customer needs.
1. 25KG small bags into 1MT big bags.
2. 1MT big bags.
3. Iron drums.
Our Certificate
We are certified by SGS, CIQ, and BV, and operate a strict, fully traceable COA testing and documentation system to guarantee consistent product quality and international compliance.
FAQ
Q: How can we guarantee quality?
A: Always a pre-production sample before mass production; Always final Inspection before shipment. We also provide third-party inspection (SGS/BV) upon customer request and issue full test reports for each batch.
Q: What payment terms do you accept?
A: We normally accept T/T (30% deposit + 70% against copy of B/L) or irrevocable L/C at sight. For long-term partners, we can discuss more flexible terms.
Q: Do you provide samples?
A: Yes, we can provide free samples of 1-2kg for testing. The customer only needs to cover the courier cost. Sample lead time is usually 3-5 days.
Q: How do you pack the products?
A: Standard packing is in 1MT big bags or 25kg small bags on pallets, or as per customer's special requirements. All packing is seaworthy and suitable for container or bulk vessel shipment.
Q: Can you produce according to our special requirements?
A: Yes, we can customize chemical composition, particle size, and packaging according to your specifications. Please provide detailed technical requirements, and our engineers will confirm feasibility.
Q: What documents do you provide for each shipment?
A: We provide Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, and full Inspection/Test Report. Additional documents like SGS certificate or insurance can be arranged if needed.
Q: How can I get a quotation?
A: Please send us the product name, specification (chemical composition & size), quantity, destination port, and any special requirements. We will reply with a competitive quotation within 24 hours.
Our address
Jincheng Building, Longhua, Haikou, Hainan, China.
Mobile & WhatsApp
+86-13016229158 +86-13016221085
+86-13016225058
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