Learn about the ratio of water to rust inhibitor when wet blasting.
Rust Inhibitor
The water in the Dustless Blasting process can promote rust, but we can easily prevent this by using a Rust Inhibitor. Not only does proper use of Rust Inhibitor prevent oxidation, but it also leaves a perfect paint or primer ready surface.
Rust Inhibitor does what it does not by coating the metal with a rust proof barrier, but by completely removing chlorides from the metal. As long as you don't recontaminate the metal you'll be rust free for up to 72 hours.
How to Use
- Our Dustless Blasting Rust inhibitor needs to be mixed with the blast water in a 1/100 ratio, which is about 7 oz for every 5 gallons. This prevents chlorides from being embedded into the metal during blasting.
- After blasting is complete you still need to give it a final rinse (water and rust inhibitor mix). We like to use a fertilizer sprayer that screws onto a water hose and measures out the selected amount of rust inhibitor per gallon.
Areas with hard water may require additional rust inhibitor, and exceeding the recommended amount poses no risk.
Chart
Refer to the chart below for the amount of rust inhibitor needed when filling your blast pot completely. If not filling completely, maintain the 1/100 ratio.
