What is the recommended pretreatment of an aluminum substrate?
The aluminum substrate can be pretreated by:
1) manual cleaning with nitro thinner, and then wiping with an abrasive fleece;
2) manual cleaning with a cold preparation, then rinsing with hot water and wiping …
Daily Archives: December 21, 2014
Painting the roof made of galvanized steel sheet
Large areas of paint peeling off the hot-dip galvanized steel sheet roofing. It is necessary to paint the roof. Please list the necessary steps for painting the roofing. These steps are as follows:
1) complete removal of the old coating by scraping it off;…
Painting galvanized steel gutters
What materials are recommended for coatings on a zinc substrate?
Dispersion paints are suitable for making coatings on a zinc substrate, dispersion varnishes, alkyd varnishes, PVC varnishes, made of chlorine sulphonated polyethylene, polyurethane and epoxy, asphalt, tar-epoxy and special paints with high …
Coatings on zinc and galvanized steel
Please list the causes of problems with the adhesion of coatings to zinc and galvanized steel substrates.:
1. The new zinc surfaces are smooth, oily or greasy, …