polycrystalline silicon 4N,5N,6N,7N

1,High quality with competitive price
2,Reliable supplier with sincerely service
3,Inspection such as ISO9001 SGS BV CIQ

polycrystalline silicon 5N ,6N Factory

1  Properties

Product Name: polysilicon   polycrystalline silicon
H.S Code:28046190
CAS No: 7440213
EINECS NO.: 231-130-8
Molecular formula:Si

Appearance: Grey metal with metallic luster,hard and fragile

2.Specification

 4N   5N   6N   7N Polycrystalline Silicon

Appearance: Grey metal with metallic luster.
Si>99.99   Na<0.001  Al<0.0006  P<0.6ppm  B<0.3ppm
Size:0-25mm  20-50mm   50-80mm  80-120mm
Resistivity:0.1-3ohm-cm

Chemical Components(%)

Main comp .Si:≥99.99
Others≤	Na	<0.001	Al	0.0006	Mn	<0.001	Cu	<0.0001
	Mg	0.0001	k	<0.001	Fe	0.0003	C	0.0002
	P	0.0006	Ti	0.0001	Ni	<0.0001	B	0.0001
	Ca	0.0002	Cr	<0.001	Co	<0.0001	S	0.0006

3.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

4. 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. 

 

polycrystalline silicon 5N,6N 7N Factory