To inquire, Select Product/s & Click on Product Code : 825 [Select] Product Specification Kemphos-825 (Two Pack System) (Tube Drawing Chemical) Product Description Kemphos-825 is a warm self accelerated process, which produces an extremely fine crystalline heavy zinc phosphating coating on iron and steel to facilitate cold forming of the specially meant to smooth wire drawing and tube drawing. The coating obtained is adherent and has an excellent wear resistance and lubricant absorption. This chemical has following advantages Higher drawing speed Longer tool life Improved surface finish Eliminating metal to metal contact Protection against corrosion Product Specifications a. Colour Light Green Liquid b. Chemical Composition Blend of zinc nickel metal Phosphates, nitrates additives etc c. Odour Acrid d. Foaming Tendency Nil e. Reliability Good f. Handling Avoid Skin Contact g. Solubility Good h. pH Acidic Range I. Toxicity Nil j. Flash Point Nil k. Pollution Hazard Moderate Product Operating Data

During the processing sludge is formed as a natural by product and the accumulated at the bottom of the tank. The accumulated sludge should be removed from the tank at regular interval 1 of time. Through rinsing is very much important after pickling in mineral acids in order to remove the acid or residues from the surfaces of the work any carry over of the acid residues to the phosphating tank will lead to excessive sludge formation, detonation of phosphates coating and high chemical consumption. Proper control of temperature, pointage and time minimise the chemical consumption. Thin and patchy coating may result from a low bath temperature or insufficient treating time.

The following process sequence is to be followed

Product Application Equipments
Kemphos-825 tank should be fabricated with 3 to 4 mm thick M.S. Plates with continuous convection current hating system.

Testing and Control Procedure

Total Acidity
Pipette out 10 ml. Bath solution add few drop of Phenolphthalein in indicator titrate it with N/10 NaOH to reach end point with pink colour.

Free Acidity
Pipette out 10 ml bath and add few drops of Bromocresol green indicator titrate it with N/10 NaOH to reach end point with blue colour.

Acid Ratio
For the uniform and consistent coating the acid ratio of Kemphos-825 should be kept in between 6 – 7.

Acid Ratio:  Total  Acidity
                    Free Acidity

Chemical Replenishment
The replenishment of Kemphos-825 bath is carried out by adding Kemphos-825 'R' approximately 1.3 ltrs per 1000 ltrs of bath for each point less.

Safety Measures
Kemphos-825 is a highly acidic material and with powerful oxidizing agents direct contact cause burns of eyes, skin use adequate ventilating. Avoid breathing vapour or mist, do not take internally.

General Information

Corrosion Resistance: Good

Neutralize with alkaline material dilutent in accordance with federal state and local regulations, if required remove phosphate and heavy metal lay precipitating and remove sludge and dispose of in any practicable manner neutralise dilute and discharge remaining solution.