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Hot Zinc Phosphating

Pioneers in the industry, we offer iron phosphating, hot zinc phosphate and brush phosphating from India.

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Product Details:
Grade StandardReagent Grade
Physical StateLiquid
Packaging Size40 Kilogram
Packaging TypeBarrel

One of the easy way of producing an ideal base for subsequent paint finish. Our product VANGUARD ISP, Can be used both by dipping and by spraying.

Salient Features:

· Removes thin films of oil

· Forms a light amorphous iron phosphate coating on ferrous and steel components.

· Forms zinc phosphate coating on galvanized steel surfaces by converting a part of the zinc surface into an integral zinc phosphate coating.

· Forms aluminium phosphate coating on aluminium surfaces. The phosphate coatings so formed will be a good base for subsequent liquid painting and powder coating.

· May be used as 3-stage, or 5-stage, depending upon type and degree of oils and superficial impurities.

· My be used by dip process, or by spray process

· In spray process, dwell time is 60 to 120 seconds.

· In dip process, duration of dip is 7 to 10 minutes.

· Build-up of iron phosphate coating: 50 to 60 mg./sq.ft.

· Build-up of zinc phosphate coating on galvanized steel surfaces will be around 50 -150 mg/sq.ft.

Build-up of aluminium phosphate coating: 50 to 100 mg./sq.ft.
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  • Hot Zinc Phosphate
  • Hot Zinc Phosphate
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Product Details:
UsageIndustrial, Laboratory
Temperature85-90 Deg. C
Dip duration10 to 30 minutes

DUROPHOS-25 functions as a 3.54% solution at an optimum operating temperature of 85-90 Deg. C.

DUROPHOS-25 gives heavy, absorptive zinc phosphate coating wt between 1000 and 2500 mg/sq ft, in a dip duration of 10 to 30 minutes, which may be oiled, waxed or given a coat of liquid paint for outstanding corrosion resistance.

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Product Details:
Automatic GradeAutomatic
Design TypeCustomized
BrandFerro Guard


(the one- chemical phosphating system)


for treating CRCA and hot-dip / electro galvanized sheets.



v removes thin wet films of oil and grease;

v removes light to medium rust; and

v forms a thin, complex phosphate coating, firmly adherent to and integral with the surface.

v promotes the adhesion of liquid and powder paints to the substrate by chemical and physical attraction.


FERROGUARD is very useful in a variety of situations; for instance.

¨ when the end product is meant for use in a relatively begin environment;

¨ when the size of the existing chemical tanks cannot accommodate the components either due to the dimension or due to contour of the component.


FERROGUARD is formulated for surface preparation of

ø crca sheets,

ø hot-dipped/electro-galvanized sheets

ø cast iron and forged compounds.

ø machined steel components.

ø slotted angles,

ø tubular structures

ø steel sheets, and other structural steel for fabricating bodies on

ø buses, lorries, vans, tankers etc. In body- building.




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Guardian Anti Corrosives Private Limited

S. Swaminathan(Technical Director)
No. 326, SIDCO Industrial Estate, Ambattur
Chennai - 600098
Tamil Nadu, India
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