HP Rustop 285 is a premium-quality oil film type rust preventive formulated to provide exceptional protection for metal surfaces against corrosion and oxidation during storage, transportation, and handling. It is a lubricating-type rust preventive that contains highly effective soluble corrosion inhibitors, ensuring long-term rust resistance even under challenging industrial conditions. Engineered with superior water-displacing characteristics, HP Rustop 285 effectively removes traces of moisture from metal surfaces and forms a smooth, uniform, and slightly oily protective film. This film not only prevents direct exposure of metal to air and humidity but also offers mild lubrication, ensuring safe and clean handling of components. The product’s slightly hazy appearance and stable film formation make it ideal for use in the internal protection of gearboxes, fuel tanks, assemblies, and machined components, especially during short- to medium-term storage. HP Rustop 285’s advanced formulation provides excellent compatibility with various ferrous and non-ferrous metals, maintaining consistent corrosion protection without causing staining or residue build-up. Its balanced saponification value and moderate viscosity (approximately 25–33 cSt at 40°C) allow for easy application through dipping, brushing, or spraying methods, ensuring uniform film coverage across complex surfaces and narrow cavities. This rust preventive oil is particularly suited for manufacturing and engineering industries where temporary corrosion protection is essential during shipment or between machining operations. HP Rustop 285 can also be utilized as an inter-process rust preventive in metalworking and automotive component production facilities. In addition to its outstanding corrosion resistance, HP Rustop 285 provides good thermal and oxidation stability, making it resistant to degradation over prolonged storage periods. It can be easily removed with mineral turpentine or other conventional solvents prior to further processing or assembly, ensuring a clean metal surface without any residual film interference. In summary, HP Rustop 285 is the perfect choice for manufacturers seeking a reliable, long-lasting, and cost-effective rust preventive solution that combines efficient water displacement, mild lubrication, and strong corrosion inhibition for a wide range of industrial and automotive applications.

RUSTOP285
AppearanceSlightly Hazy
Flash Point, °C (COC, Min)190
Kinematic Viscosity cSt @ 40°C25.3 – 33.2
Saponification Value, mg KOH/gm5.0 – 7.0
HP Rustop 285 barrel