News — phosphoric acid

One of the best chemicals for removing rust is phosphoric acid. Phosphoric acid is a strong acid that reacts with iron oxide (rust) to form iron phosphate, which can be easily removed. It can be found in many commercial rust removal products or can be purchased in a concentrated form and diluted with water for use.   Another effective rust remover is vinegar, which contains acetic acid. Vinegar is a milder acid than phosphoric acid, but it can still dissolve rust effectively. Simply soaking the rusted object in vinegar for a few hours or overnight can often loosen and dissolve...

How to remove rust from metal?   Before we present possible ways to remove rust, we need to explain what rust actually is and how it is formed. Rust appears on various metals, destroys not only objects but also structures. We check what rust is and why it does not attack stainless steel. Rust is the result of the oxidation of iron and iron alloys due to the presence of moist air, soil or direct contact with water. The rust layer consists mainly of iron oxides and hydroxides. This entire oxidation process is technically known as corrosion. Rusty elements lose...