Description
Water-based rust-inhibitive bonding primer V17500 Corotech
Dry time
2h (must be topcoated within 2 to 3 weeks after application)
Coverage
300–400 ft² per 3.79 L
Number of coats
1 coat
Qualifies for LEED® v4
Low-emitting product credit eligibility for CHPS (Collaborative for High Performance Schools)
CDPH v emission certificate
Description:
V17500 Corotech Rust-Inhibitive Bonding Primer is designed for application on both ferrous and non-ferrous metals. This formula stands out for its ability to bond even to very smooth metals such as aluminum, stainless steel, and galvanized metal (most rust-inhibitive primers cannot achieve long-lasting adhesion on these).
A surface primed with V17500 Corotech Rust-Inhibitive Bonding Primer must then be painted with an alkyd, acrylic (water-based), epoxy,
urethane, or moisture-cure urethane topcoat. You will then achieve excellent resistance to metal corrosion.
V17500 Corotech Rust-Inhibitive Bonding Primer is water-based, so it can be cleaned up easily with soapy water, unlike most solvent-based rust-inhibitive primers.
How to apply V17500 Rust-Inhibitive Bonding Primer
Surface preparation
Preparation may vary depending on the surface. The basic principle is that the surface must be clean, dry, and free of visible rust. Use an emulsifying-type cleaner to remove oil or grease residues. You may also clean with solvent.
If rust or flaking is present, remove it by sandblasting or grinding the surface. A metal conditioner can also be used to neutralize rust.
For galvanized metal: Galvanized steel is generally factory-treated to prevent white rust from forming during storage or delivery. These surfaces feel slightly oily to the touch. For proper adhesion, clean galvanized steel with an emulsifier or a suitable solvent before applying V17500 Rust-Inhibitive Bonding Primer.
For stainless steel: When it leaves the factory, stainless steel has a very smooth surface. Even V17500 Rust-Inhibitive Bonding Primer may sometimes have difficulty adhering to it. It is therefore recommended to perform a preliminary test on a small area before coating the entire surface.
How to apply
First, mix the container thoroughly. If possible, use a mechanical agitator. Thinning is not recommended, but if absolutely necessary, follow a ratio of 237 mL of water per 3.79 L (1 gallon) of primer. Apply V17500 Rust-Inhibitive Bonding Primer at temperatures between 10 and 32°C and when relative humidity is below 85%.
Here are the recommended application methods.
Airless spray: Tip size should range between 0.013 and 0.017. Total fluid pressure at the tip must not be less than 2,500 psi.
Spray (pressure pot): : DeVilbiss MBC or JGA gun, with 704 or 765 air cap and E tip.
Brush: Synthetic bristles only. As a general rule, wet film thickness by brush is 2 to 3 mils.
Roller: Use a premium-quality roller. As a general rule, film thickness by roller is 2 to 3 mils.
Application conditions
Apply when temperature is between 10°C and 32.2°C (50°F–90°F) and relative humidity is below 85%. Do not apply if the surface temperature is within 5 degrees of the dew point.
Warning: May damage fertility or the unborn child
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