SURFACE TREATMENT TECHNOLOGIES
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Iron Phosphate Coatings

 

Iron phosphate coating is the most used method of phosphate coatings mainly consist of spraying lines. It is preferred for its easy maintenance, simple control and lower operating costs despite having lower corrosion resistance than zinc phosphate coating. Iron phosphating is suitable for iron, steel and galvanized (zinc) metals in immersion or spray treatment lines. Neutral degreasing chemicals can be used in iron phosphating bath, so that degreasing and phophate coating can be made in the same treatment bath. Use concentration of the iron phosphate coating chemicals are less when compared to zinc phosphate coating. Iron phophate process has also the advandage of low formation of phosphate sludge.

 

For more detailed technical information;

http://www.phosphating.net/iron-phosphating.html

 

 

 

PHORYL 1080 - Immersion Iron Phosphate

It is a dip application iron phosphate coating chemical suitable for the treatment of iron, steel and zinc- galvnaized materials. Metal parts must be free from grease, oil and rusting before iron phosphating. Commonly, it is a type of a product which is preffered for the coating of metals located indoor. Corrosion resistance can vary according to type of powder coating (epoxy polyester or polyester). It deposits an iron phosphate coating between 0,2 - 0,8 g/m on the surface,  ranging in color from blue - light yellow - red - grey. Working temperature of the phosphating bath is in the range of 50-55 C degree and treatment time is between 5 - 10 minutes according to bath concentration and temperature. pH of the treatment solution is very important, it has to be between ph 4,0 - 5,5. 

  

PHORYL 404 - Immersion Iron Phosphate

It is a powder form iron phosphate product applied by immersion for the coating of steel and iron. Metals must be free from grease, oil and rusting prior to iron phosphate coating. Generally it is applied to the metals that do not require high corrosion resistance. After phosphate coating, passivation treatment provides better paint adhesion on the surface. Coating weight varies between 0,2 - 1,0 g/m. 50-55 C degree temperature with time duration of 5 - 10 minutes is enough for an adequate coating. pH of the treatment solution has to be in the range of ph 4,0 - 5,5. 

 

PHORYL S 970 - Spray Iron Phosphate

It is a spray application iron phosphate product suitable for the treatment of iron, steel. It is used with pH optimizer while preperation of the bath. High paint adherance and superb corrosion resistance can be obtained in case of all parameters of the phosphating bath are applied well. It is possible to reach salt spray test results similar to zinc phosphate coating in case of polyester powder coating is applied after iron phosphate. Passivation treatment provides better paint adherance after phosphating. Degreasing can be employed in iron phosphate coating lines separately or combined with iron phosphating solution. Neutral degreasers can be used together, alkaline degreasers can be only used in a separate bath. Coating weight is between 0,2 - 1,0 g/m. Treating temperature must be between 50-55 C deg. It is ipmortant hold pH value of the iron phosphate bath in the range of 4,0 - 5,5 to get proper coating. Depending on total acid and temperature, phosphate coating is formed on the surface in 3 - 4 minutes with a spray pressure of 1,2 - 1,6 bar.

 

PHORYL S 960 - Spray Iron Phosphate

It is a spray application iron phosphate product formulated for the treatment of iron, steel and galvanized metals. pH optimezer is used while preparation of the coating solution. It provides a suitable coating on the surfaces of metal goods mostly used indoors. Different degrees of corrosion protection is obtained with epoxy powder coating and polyester powder coating. It is possible to get high salt spray results in a properly operated PHORYL S 960 iron phosphate coating line. Paint adherance and corrosion protection is raised with the treatment of passivation after phosphating. Degreasing can be done in phosphating bath by addition of neutral degreaser products such as PHORYL 505 A. Coating weight ranges between 0,2 - 1,0 g/m. Treating temperature is between 50-60 C degree. Depending on total acid and temperature, phosphate coating is formed on the surface in 3 - 4 minutes with a spray pressure of 1,2 - 1,6 bar. pH of the coating solution must be kept in the range of 4 - 5.

 

PHORYL K 605 - Spray Iron Phosphate

It is a spray application iron phosphate product used in spraying machines/devices for the treatment of iron, steel and galvanized metal surfaces. By the aid of surfactants, it makes degreasing and phosphating at the same time. Metals must be dried after phosphate coating. Neurtal degreasers can be added in for the treatment of heavy greasy/oiled metals parts. It deposited a coating between  0,2 - 0,8 g/m. Bath temperature must be between 50-60 C and pH in the range 4,0 - 5,0 for a proper coating of iron phosphate.

 

PHORYL SDF - Wipe Iron Phosphate

It is an effective wipe/brush application iron phosphate coating chemical formulated for the treatment of iron, steel and zinc (galvanize) metals that are going to be painted. Especially it prepares an excellent surface prior to powder coating. It is preffered for its simple application without heating. Chemical concentration is around %10. At higher temparatures (50-60 C), phosphate coating is faster and degreasing is more effective. Treated metal parts must be dried immediately after coating.

 

PHORYL SDN - Wipe Iron Phosphate

It is an wipe/brush application iron phosphate product formulated for the treatment of iron, steel and zinc. Having higher amount of phosphoric acid content, it has the ability of remove slightly rusted areas. Degreasing and phosphating is done at the same time. Temperature of the treatment bath must be elevated in case of requirement of faster phosphate coating and more effective cleaning. Chemical concentration is around %10. Treated metal parts must be dried as quickly as possible to prevent rusting. 

 

PHORYL MS 77 - Wipe Iron Phosphate

It is a economic wipe application iron phosphate product formulated for the treatment of iron and steel. Degreasing and iron phosphate coating is made at the same time. The advantage of these type of products is the ability of working in ambient tempreature. Better phosphate coating formation is obtained at higher temperatures. Bath concentration is around %10. Treated metal parts must be dried as quickly as possible to prevent rusting. 

 

 

 

 

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