Corrosion is one of the main forms of fastener damage, which will cause great losses to automobiles, motorcycles, various vehicles and machinery. According to statistics, the direct economic loss caused by metal corrosion accounts for about 2% ~ 4% of the national economic output value every year.

In order to avoid corrosion and reduce losses, people have adopted various methods. Using anti rust grease to protect metal fasteners is one of the most common protection methods.

There are many kinds of threaded fasteners, from ordinary bolts, nuts and screws to high strength, high performance, high precision, high added value and non-standard special-shaped parts, but their antirust packaging methods are basically the same. For the surface oxidation, phosphating and blackening of threaded fasteners, most of them are coated with antirust oil and packed with plastic.

Antirust grease is composed of one or more antirust additives (also known as oil soluble corrosion inhibitor) and its auxiliary additives in the basic components of petroleum. It is easy to use, low cost, good effect, simple operation, and is widely used in fastener industry.

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