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Contact SupplierSURFACE TREATMENT CHEMICAL GUIDE FOR COLOR COATING ON GALVANIZED / GALVALUME SURFACE
ADVANTAGES OF ALKALINE CLEANING:
Alkaline cleaning removes organic soils such as rust preventative oils and lubricants. Multi-metal cleaners reduce or eliminate etch on all non-ferrous metals such as galvanized, galvalume and aluminum surfaces.
In addition, cleaners are specially designed to reduce foaming and provide
maximum cleaning effectiveness.
PREFERRED CONVERSION COATING CHEMICALS
ADVANTAGES OF CONVERSION COATING:
Conversion coating enhances the corrosion resistance property on the pretreated galvanized, galvalume and aluminum surface. It also helps inhibit the under paint corrosion creeping process that in turn increases the object life.
Conversion coating reinforces the bond between the paint film and the surface.
Since it is a single treatment process and does not require post rinse, it avoids additional effluent treatment and reduces the expenses for running the process.
PREFERRED ALKALINE CLEANERS:
PRODUCT NAME | PRODUCT DETAILS | MODE OF APPLICATION | APPLICATION CONC. | APPLICATION TEMP. |
ETCHINOL S 1121 | It is a low foaming strong alkaline liquid metal cleaner for spray cum dip degreasing of ferrous metals prior to hot dip galvanized steel strips before to chromate conversion. | Spray cum Dip / Spray | 2 – 4% | 50 – 75°C |
ETCHINOL S 1125 | It is a low foaming alkaline liquid metal cleaner for spray degreasing and activating of galvanized steel strips, galvalume and aluminum before to chromate conversion in color coating line. | Spray cum Dip / Spray | 8 – 10% | 60 – 80°C |