Introduction of Rust Removal Converter
Rust removal converter is a chemical agent that can convert rust into stable and harmless substances. It is mainly used to deal with rust, oil stains and scale on the surface of steel. Its main ingredients include emulsions such as nanomaterials, organic acids, catalysts, rust inhibitors, corrosion inhibitors, activators and penetrants.
It converts existing rust (iron oxide) into a stable, black, and protective layer, stopping further corrosion and creating a paintable surface. Unlike a rust remover, which removes rust, a converter chemically changes the rust into a new compound, such as iron tannate or ferric phosphate. This is useful when complete removal of rust is difficult or impractical, as it prepares the surface for priming and painting.
Scope of application
Rust removal converter is suitable for various metal products, such as color steel tiles, steel structures, steel plates, tanks, guardrails, bridges and buildings. It can not only convert the rust on the surface, but also penetrate into the rust, form chelates with the iron ions in the rust, accelerate the formation of rust conversion film, and have good rust prevention and corrosion inhibition effect.
Working principle
Rust removal converter uses electrochemical principles to convert rust on the surface of iron, steel and its alloys into paint film. Electrolytes are added to the solution to convert iron ions into iron oxide and form a thin film, which is the paint film. The role of the electrolyte is to form a thin film of iron oxide ions, which can resist corrosion, thereby achieving the purpose of protecting the metal surface.
Instructions for use
Surface treatment:
The surface of the workpiece should be dry. If there is heavy oil, paint, dirt and dust, it should be cleaned in advance. Brushing: Use a paint brush or a long-fiber rag dipped in rust removal agent to brush the rust surface of the workpiece, so that the agent is in full contact with the surface of the workpiece, keep it for several minutes, and wipe the parts with severe rust several times.
Drying: Keep the workpiece dry. When the surface is not sticky to the touch, the oil and rust on the surface of the workpiece are completely removed visually, and the surface color is a continuous and uniform blue or black film. Subsequent treatment: After drying, the coating should be applied quickly, and the drying time is 0.5-2 hours (can be shortened or extended according to the ambient temperature and humidity)
2. Advantages and disadvantages
Advantages: It has strong rust removal and rust removal ability, and the conversion film formed is dense, tough, corrosion-resistant, anti-wear and anti-friction, and has strong anti-corrosion ability
- The process is simple, easy to use, non-toxic, does not contain banned chemicals and harmful substances, is not flammable or explosive, and does not need to be washed after the workpiece is processed. It is zero emission and zero pollution.
- It can replace anti-rust primer, save costs, improve work efficiency, and enhance the adhesion of the paint film.
- It is easy to construct and does not require special equipment. It can be wiped, brushed or sprayed.
Disadvantages:
It has a dyeing effect on skin and clothing, so you need to pay attention to protection when using it.
