Bonderized Steel Sheet
All of our galvanized is g90 astm a653.
Bonderized steel sheet. Flat and raised expanded steel sheet. Galvanized steel is used for standard roof flashings gutters downspouts most every sheetmetal product. Bonderized steel is galvanized steel that is processed through a phosphate bath. The process produces a dull gray colored finish.
Bonderized steel is actually galvanized g90 that has been put through a phosphate bath and has a layer of chromate applied and dried leaving it ready to accept paint. Bonderized is not a paint finish. Galvanized typically requires preparation in order to be painted bonderized aka paintlok is paint ready galvanized. This produces the dull gray color characteristic of bonderized that provides as an excellent primer for painting applications.
Bonderized steel sheet plate bonderized sheet and plate is a galvanized metal product that has been soaked in a phosphate bath and then put through a chromate drying process which allows the metal to accept paint. Galvanization is a zinc coating applied to steel. This provides a corrosion inhibiting crystalline zinc phosphate micro porous surface that promotes adhesion of top coatings. Bonderized steel also referred to as paint grip steel is galvanized steel that has been put through a phosphate bath and a chromate dry.