T&L oil rust inhibitor has excellent anti-rust performance, good anti-rust effect on a variety of metal materials, long cycle, and brings direct economic benefits to users as much as possible; T&L PRE OL5010 is suitable for automobile bearing, metal instruments and a variety of machine parts rust prevention, steel, cast iron, copper, copper alloy, aluminum, aluminum alloy and other metal materials have good rust prevention effect; T&L PRE OL5020 is suitable for the protection of semi-finished steel products; It is recommended to use when corrosion resistance and washable performance are particularly high requirements.