Silicon hlau hmoov Si 97%
Silicon hlau hmoov Si 97% Kev piav qhia
| Yam khoom npe | Silicon hmoov |
| Khoom siv | Si: 99,99%, 99.999% hlau hauv paus |
| Qhov tshwm sim | Tsaus Grey Hmoov |
| Melting Point | 1414 degree |
| Particle Loj | -100mesh, -200mesh, -325mesh -100 mesh rau +325mesh; -200mesh rau +325mesh +325 mesh APS: 2-10μm (zoo silicon hmoov) |
Si 97% Silicon Hlau Powder Specification
Yuav ua li cas tshem tawm impurities los ntawm hlau silicon hmoov
1. Muab cov hmoov hlau silicon tso rau hauv qhov cub induction thiab yaj ntawm 1460 ~ 1500 degree nyob rau hauv ib qho chaw nitrogen;
2. Melt silica thiab lithium carbonate nrog lub ntim piv ntawm 1.2: 1 rau 1: 1.5 nyob rau hauv lwm crucible ntawm 1440-1460 degree ;
3. Muab cov silica-lithium carbonate sib tov melted nyob rau hauv lub thib ob kauj ruam ncaj qha mus rau hauv lub silicon kua nyob rau hauv thawj kauj ruam, thiab nres lub cub tawg tom qab 30 feeb; Tom qab txias, silicon thiab slag yuav ib txwm sib cais;
4. Soak cov silicon tawg tau nyob rau hauv plaub kauj ruam nrog 1: 6 HF acid thiab HCl rau 15 mus rau 30 teev. Ntau tshaj 85% ntawm phosphorus tuaj yeem raug tshem tawm zoo ib zaug, thiab cov ntsiab lus ntawm lwm cov hlau impurities tsawg dua 200;
5. Rov ua cov kauj ruam 1 txog 5 kom ua cov slagging thiab pickling;
6. Cov tau txais silicon yog remelted thiab directional solidified. Cov ntsiab lus phosphorus impurity hauv cov hlau silicon tuaj yeem txo qis dua 0.1 ppm, thiab tag nrho cov ntsiab lus ntawm lwm cov hlau yog tsawg dua 0.1 ppm.
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