- 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
Related Product Searches:40%-70% industrial hydrofluoric Acid,High Quality,industrial hydrofluoric acid, high purity,HJC-001
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
metal cleaning
metal surface treatment
produce inorganic fluoride, organic fluoride
purify aluminium and uranium
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 fluoro-containing organics, such as Teflon(polytetrafluoroethylene)and refrigerant Freon.
40%-70% industrial hydrofluoric Acid