Amonium Polyfluride

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Ammonium Polyfluoride Advantages

-It is a two-in-one product. It can replace both HF and ammonium bifluoride; it was developed with the idea of replacing both products in customers using both material, basically glass etching companies.

Ammonium Polyfluoride is a mixture between HF and Ammonia, which has proven very effective in Aluminium Polishing.

-It can also the ammonium bifluoride; its main advantage is the fact that ammonium polyfluoride is liquid and has no variations with time, while ammonium bifluoride may eventually cake , as a solid acid salt. Therefore it can be used immediately in production.

-It is far less aggressive than HF., therefore it is better used in many aplications. The Ammonium Polyfluoride is just toxic and corrosive, simply (not +). Then it considered safer than HF.

-Practically it has no vapor pressure, hence it is easier to handle from the standpoint of industrial hygiene than HF as leakage are unknown of.

-For these physical / chemical reasons, it allows longer storage and more capacity in vessels containing it, as DDF ammonium polyfluoride may for instance be supplied in 1200 kg IBC. Ammonium Polyfluoride has a higher content of HF (around 80%) but it may be transported in IBC. It is far more powerful and performing than a weaker acid. At the end of the day, it is a HF 80% with a mask for Ammonium Bifluoride

It may be considered as Ammonium Bifluoride liquid.

-From a logistics standpoint, it is more manageable.

-It is easier to dose than a solid, a pump is required and nothing more. More accurate dosing hence allowing for better handoling.

-Works particulary well in: Aluminium Polishing, pickling and Aluminium pre-treatment. Also in any heavy duty metal surface treatment, and in general in all acid cleaners, specially in aluminium wheel cleaner.

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AMMONIUM POLYFLUORIDE

Formula:

Blend of NH4HF2 and HF

DESCRIPTION:

Colourless liquid.

USES:

Polishing, matt etching and glassfrosting.

Pickling of foundry.

Aluminium surfaces polishing.

Cleaning of tubes and boilers.

PURITY:

80% HF
20% NH3

PACKING:

Jerricans orplastic containers and rubber-lined containers or tanks.

When temperature is below 4°C, it shall be stored under cover.

TRANSPORT:

ADR: 8CT1-II
RID: 8CT1-II
IMDG: 8
OACI: 8




Ammonium Polyfluoride(NH4HF2) is used in

  • Metal industry (pickling of steels and other metals, surface treatment).
  • Petrol industry (crude oil drilling).
  • Aluminium industry (aluminium polishing).
  • Glass/Pottery industry (glass polishing, etching and frosting).
  • Cleaning of aluminium parts and air-conditioning devices.
  • Aluminium wheel cleaning.
  • Other industries, like textile cleaning and industrial laundry.

 

Amonium Polyfluride

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