It is suitable for removing rust of steel parts, and can effectively penetrate into the rust layer to dissolve stubborn oxidizers, sediments, slag, etc. Apply to the surface of rusted parts for a few minutes to leak fresh metal surfaces, which is safe and convenient to use. When using, immerse the parts in the anti-rust solution, and apply the rust remover to the rusty part when removing the rust partly. After the rust is dissolved, rinse with clean water before drying.