polysilicon 7N producer

Product Description

1  Properties

Product Name: polysilicon   polycrystalline silicon
H.S Code：*******0    CAS No: ******3      EINECS NO.: ********8
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.
Si>*9.*9   Na<0.**1  Al<0.***6  P<0.6ppm  B<0.3ppm
Size:***25mm  ****0mm   ****0mm  *****0mm
Resistivity：0.**0.3ohm-cm

 (2) 5N Polycrystalline Silicon

Appearance: Grey metal with metallic luster. 
Si>*9.*9  Na<0.**1  Al<0.***6   P<0.6ppm  B<0.3ppm

Size: ****5mm  ****0mm   ****0mm  *****0mm

Resistivity:0.5*3 .ohm-cm
(3) 6N polycrystalline silicon
Appearance: Grey metal with metallic luster.
  Si>*9.*7  Na<0.**1   Al<0.***6     P<0.6ppm  B<0.3ppm 
Size: ****5mm  ****0mm   ****0mm  *****0mm

resistivity:0.**0.6ohm/cm

(4) 7N  Polycrystalline Silicon
 Si>*9.*9  Na<0.**1  Al<0.***6   P<0.6ppm   B<0.3ppm
Size: ****5mm  ****0mm   ****0mm  ****20mm

Resistivity:≥7ohm.cm

4. Outer packing:

   MT bag packing (Net weight: ***0kg/bag) Paper box packing, inside with plastic film,outside with woven bag.(*5kg/carton)or as your request

5. Quality control

    Rigid quality control on s, 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 container so that any information is visinle