The Water Based Rust Preventive Oils are also gaining importance in the industry with the move of reducing the use of petroleum based products in the automotive industry. These oils of model number WRP-050 is environmentally friendly compared to normal oils and provide comparable rust protection with the petroleum based products. Hi Tech International is manufacturing Water Based Rust Preventive Oils. Hi Tech International is awarded with ISO 9001:2000 certifications. The Water Based Rust Preventive Oils does not produce fumes on welding. No residue is left behind on the metal surface. It is water miscible and is semi synthetic in nature.