I. Introduction: Stainless steel passivation liquid short-term soft film anti-rust oil TR300, also suitable for steel, copper, aluminum, stainless steel iron rust treatment without damaging the workpiece size and does not change the original color, while improving Metal corrosion resistance and development. Second, the application materials: carbon steel, copper, aluminum, stainless iron and other metal parts rust treatment. Third, the product advantages: 1, this process has a stable performance, consistent with the characteristics of the surface treatment; 2, oil rust inhibitor, film thin, effective anti-rust time 12-24 months; 3, the product is widely used in steel, copper , rust-proof aluminum, stainless iron and all other metals and versatility; 4, the process is simple, requires no special operating environment, non-toxic and low corrosion, general plastic containers can be used, the device is easy to configure. Fourth, the operation process: degreasing treated object --- --- --- rust oil over water ---- dry Note: the process can increase or decrease based on the actual situation of five, Cautions syrup belong dope use , the operating environment is unlimited.