Polysilicon Solar and Aluminum Alloys Silicon Metal Lump 441
Tongren Decatur Mining Co., Ltd
Guizhou, China
Last Login Date:
Jul 09, 2025
Business Type:
Manufacturer/Factory
Main Products:
Graphite Electrode, Zirconium Silicate, Titanium Dioxide, Zirconium Carbonate, Ammonium Bromide, Lithium Bromide, Potassium Bromide, Yttrium Oxide, Ferro Silicon, Yttrium Fluoride
Product Description
Company Info
Basic Info.
Product Description
Grade | Chemical Composition | ||||
Si(%) | Impurity Content | ||||
Fe(%) | Al(%) | Ca(%) | P(ppm) | ||
553 | ≥98.5 | ≤0.5 | ≤0.5 | ≤0.3 | - |
441 | ≥99.0 | ≤0.4 | ≤0.4 | ≤0.1 | - |
3303 | ≥99.3 | ≤0.3 | ≤0.3 | ≤0.03 | 50≤ |
2502 | ≥99.5 | ≤0.25 | ≤0.25 | ≤0.02 | 40≤ |
2202 | ≥99.5 | ≤0.2 | ≤0.2 | ≤0.02 | 40≤ |
421 | ≥99.3 | ≤0.4 | <0.2 | ≤0.1 | - |
411 | ≥99.4 | ≤0.4 | <0.1 | ≤0.1 | - |
Silicon powder | Specification | Min. Si content | Chemical composition% | ||
Max impurity content | |||||
Fe | Al | Ca | |||
Silicon powder for chemical egineering | Si- (20-120 mesh) | 99.0 | 0.4 | 0.4 | 0.1 |
Si- (30-140 mesh) | 99.0 | 0.4 | 0.4 | 0.1 | |
Si- (40-160 mesh) | 99.0 | 0.4 | 0.4 | 0.1 | |
Si- (40-280 mesh) | 99.0 | 0.4 | 0.4 | 0.1 | |
Si- (40-325 mesh) | 99.0 | 0.4 | 0.4 | 0.1 | |
Silicon powder for refractory material | 150 mesh | 98.5 | 0.5 | 0.5 | 0.3 |
200 mesh | 98.5 | 0.5 | 0.5 | 0.3 | |
325 mesh | 98.5 | 0.5 | 0.5 | 0.3 | |
400 mesh | 98.5 | 0.5 | 0.5 | 0.3 | |
500 mesh | 98.5 | 0.5 | 0.5 | 0.3 | |
Low grade silicon powder | 200 mesh 325 mesh | 97 | Impurity contents≤3.0% | ||
Product: 553#, 521#, 421#, 3303# Particle size: 20-160mesh, 30-270mesh, 45-710um,200mesh and 325mesh,etc. | |||||
(1) Produce silicone such as silicone rubber, silicone resin, and silicone oil.
(2) Manufacturing high-purity semiconductors.
(3) Prepare alloy.
(4)Widely applied to refractory material and power metallurgy industry
Q: Do you have quality control?
A: Yes, we are SGS certified. Our products are traceable from production to processing to testing, and every process is supervised to ensure the quality of goods.
Q: What are your delivery terms?
A: We accept FOB, CIF and other delivery methods, or the customer proposes his delivery method, these are negotiable.
Q: What is your delivery time?
A: If the goods are in stock, it usually takes 7-14 days; if the goods are not in stock, it takes 25-45 days, depending on the quantity the customer needs.
Q: Can you provide free samples?
A: Yes, we can provide 2kg samples for free!
Q: What are your payment terms?
A: 30% deposit, 70% balance on bill of lading. Of course this is negotiable.
