This agent is a water-soluble antirust agent. It contains a variety of imported additives, sticky and easy to use, it can rust prevention between workshops, and it can also be used as a product terminal rust proof. When it has a little oil pollution on the surface of the workpiece, it can not defatted directly and use this product to prevent rust. The neutral salt spray testing can reach 96-180 hours and can be antirust for 6 months to 2 years at room temperature.