Paint Grip

BONDERIZED STEEL

Paint Grip  is  pre-treated  at  the  mill for subsequent painting in the as-received condition. The sheet goes through a phospatizing   process  which  produces  a  deposit  of  hydrated  zync  on  the  galvanized surface,  obtaining  a dull gray appearance. This coating provides a good adherent base for painting, and also extends the life of the painted surface. Paint Grip is intended to be painted and the unfinished surface may weather unevenly* This process consist in a layer of zinc on each side of the steel sheet that is tightly adhering to the steel thru the formation of an iron-zinc  alloy  bonding  layer  that is formed by a diffusion process while the heated steel strip is in contact with the molten zinc.

Paint Grip Steel Process

In a continuous, controlled process, coils of galvanized steel are first thoroughly cleaned and rinsed.

A conditioning agent is then  applied  to  promote  the formation of a fine crystalline zinc phosphate coating. This process then converts the bare galvanized surface to an inert, crystalline zinc phosphate which is subsequently rinsed and sealed with a dried-in-place chromate conversion coating. This entire process creates what is called a Bonderized surface. A long time favorite of the rainwater goods industry, zinc phosphate provides the perfect surface for field painting of flashing, gutters, downspouts, and other roofing materials, as well as signs and even enamel coated interior fixtures.

Benefits of Paint Grip Steel

Ready for immediate painting.

Dull gray appearance.

Improves life expectancy of the paint applied to it.

Many  roofers  apply  QM Paint Grip  Steel  as  a roofing panel with no paint and allow it to weather over time, which gives it an attractive weathered look. 

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