How do you prevent rusting while wet abrasive blasting?
One of the most common question asked by people looking to purchase a dustless blasting machine is ‘How do I prevent steel from getting rusted after wet blasting? Yes, wet blasting can cause rust due to the water used in the process but it is easily preventable. The solution is quite simple using a Rust Inhibitor. Different rust inhibitors work in different ways. Whilst some removes chlorides from the water others provide an invisible film to the substrate. There are over 200 different brands of Rust Inhibitor available in the market. Many coatings will not tolerate them, not all are environmentally friendly, and some are known carcinogens. Products include Holdtight 102 Blast x 108 RapidHold Superstrength The rust inhibitor is simply added to the pressure vessel in the recommended proportion using a dosing unit. Most rust inhibitors are required to be used in a ratio of 1:100 whereas the RapidHold Superstrength rust inhibitor is a concentrated solution requiring only 0.5% dosage ...