- Contact Person : Ms. Zhang Beryl
- Company Name : Huantai Huijie Industry & Trade Co., Ltd.
- Tel : 0086-533-8409979
- Fax : 0086-533-8409597
- Address : Shandong,Zibo,No. 6 Chunguang Road, Huantai Economic Development Zone, Zibo, Shandong, China
- Country/Region : China
- Zip : 256410
industrial hydrofluoric acid for galss etching
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Executive Standards GB 7744-1998
Item | Index | ||||
Superior | Grade I | Standard | |||
HF-40 | HF-55 | HF-40 | HF-55 | ||
Hydrogen Fluoride(HF)W/% ≥ | 40.0 | 40.0 | 55.0 | 40.0 | 55.0 |
Fluosilicic acid(H2SIF4)W/%≤ | 0.02 | 0.2 | 0.5 | 2.5 | 5.0 |
Fixed acid( in H2SO4)W/% ≤ | 0.02 | 0.05 | 0.08 | 1.0 | 2.0 |
Usage:
Hydrofluoric acid
produce inorganice fluoride, organc fluoride
purify aluminium and uranium
glass etching acid, graphite manufacture, metal surface traeatment
dissolve oxides
etch glass, carve a design, mark scale and text
remove the oxide from the surface of silicon in semiconductor industry
“pickling” process of removing oxygen containing impurity from the surface of stainless steel
synthetize various fluorine containing organics, such as Teflon(polytetrafluoroethylene)and refrigerant Freon.
industrial hydrofluoric acid for galss etching
