IP3 Description

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Iron Phosphatizer Spray

Iron Phosphatizer Spray is a liquid concentrate designed to produce an iron phosphate conversion coating on bare metals.  This conversion coating provides a much better base to promote paint adhesion and yields a coating that retards rusting.  Properly cleaned and treated ferrous parts will emerge with a metallic blue/grey coating of iron phosphate weighing 25-40 mg/sq. ft.



Physical State - Liquid

Color - Straw to amber

Density - 9.59 lbs/gal

pH - 3.5


Although Iron Phosphatizer Spray has deterging agents incorporated into it, parts that are heavily soiled or contain mill scale should be cleaned and rinsed prior to phosphatizing.


Prepare a solution of 2-4 oz. of Iron Phosphatizer Spray to 1 gallon of water.  Spray it over the parts to be coated for 1/2 to 3 minutes at 90-160*F.  Allow to air dry.  A sealer may be used prior to painting to further enhance the phosphate coating.


Iron phosphatizing progresses best at a pH range of 4 to 6.  Initial preparation of the bath will be at the lower end of this pH range or even slightly below.  As phosphatizing proceeds, the pH will rise finally approaching the upper end of this range.  At this time, more Iron Phosphatizer Spray should be added.  This sequence should be followed perhaps a dozen times or until the bath becomes hopelessly fouled.  The bath should then be dumped, the tank rinsed, and a fresh solution should be prepared at that time.


Iron Phosphatizer Spray is a concentrated acidic solution.  Do note take internally.  Avoid skin and particularly eye contact.  Should contact occur, flush area with large amounts of water.  If any discomfort persists, seek medical attention.  Read relevant Material Safety Data Sheet before handling this product.


Iron Phosphatizer Spray is packaged in 55, 30, 15, and 5 gal. non-returnable containers.


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