My experience of using hydrochloric acid you can neautralise the surface but it carries on rusting and everything nearby rusts.

Experience rust removal performance exceeding expectations as we bring together the best of both worlds.

It’s also claimed not to affect plastic, PVC and most paints which for automotive use is a useful feature. Evapo-Rust extends its expertise to the industrial realm, providing solutions that facilitate the conservation of valuable assets. Borrowing beyond your means could seriously affect your financial status, ensure you can afford to make your repayments on time by the due date.

It dedicatedly creates products that remove rust and enhance metal objects' inherent beauty and value while leaving them as good as new. I suppose the difference is that may eat the parts if left long enough whereas this Evaporust claims to be pH neutral. They mention that it removes rust, works well on larger, very rusty items, and is reusable for multiple rust-removal projects.

We had the US quart (just under a litre) container, which wasn’t quite enough for any of the really rusty car parts we had knocking around, so we gave it a test involving a section of rusty concrete reinforcing steel rod – we’ve been using it as a jack handle for the Discovery – and a pair of pliers which had been left out in the rain once too often, together with a rusty offcut of sheet metal. There is no worse feeling than seeing the orange, rough surface on your car that was once graced by a coat of paint.