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Quick Details

  • Classification: Hydrofluoric Acid
  • CAS No.: 7664-39-3
  • Other Names: fluoric acid
  • MF: HF
  • EINECS No.: 231-634-8
  • Place of Origin: Fujian, China (Mainland)
  • Grade Standard: Electron Grade, Industrial Grade, Reagent Grade
  • Purity: 40-72.5%
  • Appearance: colorfuless ,transparent solotion
  • Application: glass industry ,chemical industry ,
  • Brand Name: Kingsearch
  • Model Number: HF70
  • Melting Point: -83.1℃ (Pure)
  • azeotropy point: 112.2 ℃(38.2% by weight)
  • smell: pungent
  • color: transparent
  • toxicity: poisonous
  • package: 25KG drum,200Ldrum,IBC drum

Packaging & Delivery

Packaging Details The product is filled in a polythene plastic 25KGS/230KGS/1100KGS drum;
Also fill it on consumer requests.
Delivery Time 7 to 10 days

Specifications

Manufacture for hydrofluoric acid
1:hydrofluoric acid 40% 50% 55%
2:Any customized packages are welcome
3.Competitive pric

hf hydrofluoric acid 70% with factory price

industrial chemical cleaning prducts hydrofluoric aicd for glass etching


fluoric acid

 

 
1. property and uses

 

Molecular formula

HF 

Molecular weight

20.01

Description

Aqueous solution

EINECS NO.

231- 634 -8

UN NO.

1790

CAS NO.

7664-39-3

Main Uses

Glass industry and chemical other uses.

Packing

Polythene plastic 25KGS/230KGS/1100KGS drum

Risk

Toxic and corrosive . It causes severe burns . Keep the drum closed in a well-ventilated place. Before its handling, it should be sought advice from the safety data sheet.

 

 Production of fluorides

Most high-volume inorganic fluoride compounds are prepared from hydrofluoric acid. Foremost are Na3AlF6, cryolite, and AlF3, aluminium trifluoride. A molten mixture of these solids serves as a high-temperature solvent for the production of metallic aluminum. Other inorganic fluorides prepared from hydrofluoric acid include sodium fluoride and uranium hexafluoride.


Etching and cleaning agent

The ability of hydrofluoric acid to dissolve metal oxides is the basis of several applications. It removes oxide impurities from stainless steel, a process called pickling and silicon wafers in the semiconductor industry. In similar manner, it is also used to etch glass. For similar reasons, dilute hydrofluoric acid is a component of household rust stain remover and in car washes in wheel cleaner compounds.

 

 2. SPECFICATION:

 

 

Item

Index

A

B

C

F-40

F-40

F-55

F-60

F-70

F-40

F-55

Hydrofluoric(HF) Content, % 

40.0

40.0

55.0

60.0

70.0

40.0

55.0

Fluorosilicic  Acid(H2SiF6), % 

0.02

0.2

0.5

0.4

0.4

2.5

5.0

Non-Volatile  Acid (H2SO4), % 

0.02

0.05

0.08

0.08

0.08

1.0

2.0

 

 

 

3. Storage: hydrofluoric acid should be stored in a storehouse with a shed and kept away from the sunlight

 

. Strictly forbid storing it with combustibles and explosives together.

 

4. Transport: hydrofluoric acid  should be treated as Grade A inorganic acid corrosive goods.

 

5. Application: hydrofluoric acid is used in chemical industry, metallurgical Industry, 

 

glass Industry, atomic energy industry and  mine and petroleum exploiting Industry.

 

 

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