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METALFIP 318

PRODUCTS DESIGNED FOR THE REMOVAL OF THE SURFACE LAYERS OF OXIDE AND CONTAMINANTS

Technical features

METALFIP 318 is a mixture of sulfuric acid with corrosion inhibitors.

Physical-Chemical Data

Parametro
Valore
Appearance
Straw yellow liquid
Density
1.38 ± 0.01 g/ml
Smell
Pungent
pH
<1
Solubility in Water
Complete

Usage and Applications

METALFIP 318 must be used in immersion tanks, diluted in water at variable percentages depending on the operating temperature.
Immerse the pieces in the solution thus prepared at temperatures between room temperature and 40 ° C. During the cold season, the solution can be conveniently heated, with rubber coils and steam passage, or Teflon-coated resistances, so as not to excessively lengthen the pickling times.
The immersion time can vary from a few minutes to over 1 or 2 hours, depending on the type of iron, its thickness, the type of oxide and the temperature.
In order to avoid alterations in the bath, the duration of which would be compromised, the pieces must be previously degreased.
Unlike stainless steel pickling baths, iron pickling baths are difficult to refill and it is recommended to replace the bath once it has run out.
In any case, the duration of the pickling baths for iron hardly exceeds a few months.

Applicazione
Concentrazione

Control of solutions

  • Take 10 ml of bath

  • Add 7/8 drops of METHYLARANCO indicator

  • Titrate with 1 N NaOH until the solution changes from RED to YELLOW


The number of ml of NaOH 1 N consumed by the titration multiplied by “10” gives the concentration in g / l of the bath.
For example, a bath prepared at 12% (120 g / l) has a score of approximately 12.
For each missing point and for every 1000 liters of bath add 10 kg of METALFIP 318.

Highlights

  • Removal of thermal oxides (calamines) from raw materials or semi-finished products

  • Removal of processing oxides and oily residues or emulsions

  • Etching, pre-painting, pre-conversion treatments

  • Burnishing and satin finishing

  • Final cleaning of the finished product, with preservation of tolerances

Application

  • Degreasing of oils and protective agents

  • Cleaning and degreasing of carbon steel and iron

  • Preconversion treatments

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Prodotti Correlati

METALFIP 310

Liquid pickling agent for stainless steel to be used exclusively with “CLINOX” electro-pickling systems.

METALFIP 312

Acid deoxidizer designed for the removal of surface oxides and for the conversion of Aluminum and its alloys in the pre-chromating and pre-phosphochromatizing phase.

METALFIP 317

Phosphoric based product, slightly surfactated, it performs a degreasing deoxidizing action on aluminum (etching).

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