What is the dewatering rust preventive oil and how does it work?

Dewatering or Water displacement rust preventive oil, generally are formulated with sulfonate with strong adsorption as the main anti-rust additive, which can displace the water and sweat attached to the metal surface to prevent rust caused by humidity or human sweat. The sulfonate is also adsorbed on the metal surface and forms a strong protective film to prevent corrosion.

 

Dewatering rust prevention is widely used for machining processes rust prevention. e.g. Machined parts by wet grinding, parts quenched in water. There are also many dewatering rust prevent fluids that can be directly used for long-term storage rust prevention.

 

China Chorus Company supplies a series of rust-preventive additives with high performance at competitive prices. Please contact the sales engineers of Chorus for more details about the anti-rust oils and additives.

 

Generally dewatering rust preventive fluids should have the following features:

Excellent water replacement, which removes residual water on the metal surface rapidly.

Excellent resistance in salt fog testing and humidity cabinet testing. that provides medium- and long-term corrosion protection for metal parts;

Good corrosion-protection performance for overlapping or stacking parts.

No heavy metal, e.g. barium, safe and eco-friendly.

 

What is the main principle of dewatering anti-rust oil?

It mainly prevents metal oxidation and corrosion by dewatering the metal surface and forming a protective film.

The anti-rust principle of dehydrated anti-rust oil can be divided into the following steps:

1. Dewater: Dewater oil contains additives that absorb and disperse moisture on the metal surface. These additives can react chemically with moisture to remove moisture, thereby replacing the humidity of the metal surface.

2. Form a protective film: Some additives in Dewater fluids can form a thin film on the metal surface. This film has good adhesion and lubricity, and can effectively isolate the metal from the external environment to prevent oxidation and corrosion.

3. Inhibit oxidation reaction: Some additives in Dewater fluids may also react to form an oxide film on the metal surface. This oxide film can further isolate the metal from the external oxygen and inhibit the oxidation reaction, thereby protecting the metal from oxidation and corrosion.

4. Blocking the contact of oxygen and moisture: The components in the dewater anti-rust oil can form a film, effectively isolating the metal from the contact of oxygen and moisture in the air. Oxygen and moisture are one of the main causes of metal corrosion. By blocking their contact, oxidation reactions can be greatly reduced, thereby extending the service life of the metal.

5. Providing lubrication and protection: The components in the dewatering oil have good lubrication properties and can reduce friction and wear on the metal surface. At the same time, they can also form a uniform protective film to prevent the metal surface from direct contact and scratches and corrosion from the outside. This protective film can provide long-term protection and maintain the smoothness and integrity of the metal surface.

6. Inhibiting chemical reactions: The components in the dehydrated anti-rust oil can also react with the chemicals on the metal surface to form a layer of chemically stable compounds. This compound can inhibit the chemical reaction on the metal surface and reduce the corrosion and oxidation of the metal.

7. some chemicals in the dewatering oil can neutralize the acidic substances on the metal surface and improve the corrosion resistance of the metal.

In summary, the work principle of dewater anti-rust fluid is to prevent metal oxidation and corrosion by blocking the contact of oxygen and water, providing lubrication and protection, and inhibiting chemical reactions. It is a commonly used protective lubricant, widely used in the production, storage and transportation of metal products.

 

 

A Recommended formulation of rust preventive oil from Rust-preventive oil additive package Chours-7010

Recommended Formulation of Rust Preventive Oil from Chorus 7010
	Anti-rust Lubricating Oil	Thin Film Anti-rust Oil
Component	wt, %	wt, %
Chorus 7010	10	10
150SN	90	10
D40	/	80

 

Chorus Lubricant Additive Co., Ltd specializes in providing high-quality additive packages for water-displacing oils.

 

Chorus 2100 is used as a Rust Preventive Concentrate to blend water-displacing rust oils that protect metal parts during manufacturing, assembly, and in-plant storage.

Typical Applications:

In-Process Protection (machining, inspection, assembly protection against hand sweat and high humidity )

Short-Term, medium-term, Indoor Storage

Inter-Operational Protection Blending: Easily soluble in aliphatic solvents, mineral spirits, and low-viscosity mineral oils to produce finished products.

 

Get in touch for the rust preventive oil price and a sample to evaluate the performance.