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Solar Grade Polysilicon Chunk 99. 999% (over 0. 5ohm is above 70% )

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5N Polysilicon (Mid Resistance)

Appearance: Grey metal with metallic luster.
 
 
Purity: 5N
 
Type: P ( SI≮99.999%, all the resistances are over 0.2-o.4 ohm, and that over 0.5ohm is above 70%)
 
Application: Polycrystalline silicon is the direct material to produce crystalline silicon, and it is the basic material of contemporary artificial intelligence, auto control, information disposal, photo electricity, and other semiconductor parts. Polycrystalline silicon of high pure dense and high quality is an important material of the production of silicon ductor parts and IC.

Chemical Composition
( Download Si 5N Test Report by Chinese Academy of Sciences )

 

Analysis method: Glow discharge mass spectrometry Analysis result: Si≮99.99%
Sample name: Si 5N
Analysis Elements Result ppmwt Analysis Elements Result ppmwt Analysis Elements Result ppmwt
Fe* <0.04 Ca O.045 Li <0.03
Al <0.02 Cr <0.1 Lu <0.03
Ag <0.04 Co <0.03 La <0.04
As <0.03 Cu <0.025 S <0.03
Ad <0.04 Cs <0.05 Y <0.03
Au <0.04 Mn <0.03 W <0.1
P <3 Mg <0.03 K <0.05
B <1 Mo <0.05 F <0.05
Ni <0.05 Zr <0.03 V <0.02
Na <0.04 Zn <0.05 Yb <0.07
Nb <0.06 Ge* <0.16 Be <0.05
Nd <0.01 Gd <0.05 Ga <0.3
Sc <0.01 Hg <0.05 Bi <0.1
Sn <0.03 Hf <0.05 Ba <0.03
Sb <0.02 Ho <0.05 Pb <0.1
Se <0.05 Ru <0.03 Pt* 0.15
Sm <0.1 Rh <0.06 Pr* 0.21
I <0.06 Re <0.1 Pd <0.05
Ti <0.04 Os <0.2 Dy <0.06
Te <0.05 Eu <0.03 Ir <0.02
Th <0.04 Er <0.05 Tl <0.03
Tb* <0.12 Cd <0.2 Tm <0.02

This report only responsible for testing materials
(* data for reference only due to possible interference)

Pre: 4N Polysilicon (99.99%)

Next: Solar Grade Polysilicon Chunk 99. 999% (Type P, resistances 100% over 0.5 ohm)

     
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