الوصف

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.
Purity: 4N
Si>*9.*9   Na<0.**1   Al<0.***6   P<0.6ppm     B<0.3ppm
Size:****5mm  ****0mm   ****0mm  *****0mm
Resistivity：0.**0.3ohm-cm

 (2)   5N Polycrystalline Silicon

Appearance: Grey metal with metallic luster. 
Purity: 5N
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. 
  Purity: 5N
  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 high resistance Polycrystalline Silicon
  Purity: 7N
 Si>*9.*9  Na<0.**1   Al<0.***6    P<0.6ppm    B<0.3ppm
Size: ****5mm  ****0mm   ****0mm  *****0mm

Resistivity:≥7ohm.cm

4. Outer packing:

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

5.Quality control

Store in a in a dry,cool and well ventilated place.away from incompatible materials. open containes must be allowed to stand over extend periods of time. Position containes so that any labeling information on the containes is visible.