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Tianjin Greatest Chemical Co., Ltd.

China Manufacturer with main products: Calcium Carbide, Phthalocyanine Blue, Pigment Blue, Calcium Carbide Factory, Pigment Paint, Phthalocyanine Colour

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Polycrystalline Silicon5N,6N Supplier

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Packaging Details: MT bag packing/ Paper box packing, inside with plastic film,outside with woven bag.or as your reques


1  Properties
Product Name: polysilicon   polycrystalline silicon
H.S Code: 28046190
CAS No: 7440213
EINECS NO.: 231-130-8
Molecular formula:Si
Physical Property: High melting point and resistivity, good heat resistance and good anti-oxidation effect
Appearance: Grey metal with metallic luster,hard and fragile. 
2  Applications
Mainly used in solar grade silicon,polycrystalline silicon purification ,advanced smelting aluminum,high performance ceramics,advanced refractories,acid and alkali manufacturing advanced temperature resistant paint coating,casting,rubber,fine chemicals,aluminum alloy air car,electronic packaging,electrical insulation,electronic components and other industrial.
3 Specification
 (1) 4N  Polycrystalline Silicon
Appearance: Grey metal with metallic luster.
Purity: 4N
Si>99.99   Na<0.001  Al<0.0006  P<0.6ppm  B<0.3ppm
Size:10-25mm  25-50mm   50-80mm  80-120mm
Resistivity: 0.1-0.3ohm-cm
 (2) 5N Polycrystalline Silicon
Appearance: Grey metal with metallic luster. 
Purity: 5N
Si>99.99  Na<0.001  Al<0.0006   P<0.6ppm  B<0.3ppm
Size: 10-25mm  25-50mm   50-80mm  80-120mm
Resistivity:0.5-3 .ohm-cm
(3) 6N polycrystalline silicon
Appearance: Grey metal with metallic luster. 
  Purity: 6N
  Si>99.97  Na<0.001   Al<0.0006     P<0.6ppm  B<0.3ppm 
Size: 10-25mm  25-50mm   50-80mm  80-120mm
(4) 7N  Polycrystalline Silicon
  Purity: 7N
 Si>99.99  Na<0.001  Al<0.0006   P<0.6ppm   B<0.3ppm
Size: 10-25mm  25-50mm   50-80mm  80-120mm
4. Outer packing:
   MT bag packing (Net weight: 1000kg/bag) Paper box packing, inside with plastic film,outside with woven bag.(25kg/carton)or as your request
5. Quality control
    Rigid quality control on inputs, process and outputs lead to high purity and consistent quality that permit standardization of its use in industry.
6. Handling and Storage
Store in a in a dry,cool and well ventilated place.away from incompatible materials. open containers must be allowed to stand over extend periods of time. Position containers so that any information on the containers is visible.


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