What is the main applications of synthetic PAG oil?

The main applications of synthetic PAG oil

Synthetic PAG oil is polymerized from ethylene oxide and propylene oxide, which includes high molecular weight polyethers, PAG water-soluble polyethers, and PAG water-insoluble polyethers.

Among them, polymer polyethers have the following characteristics:

In water ethylene glycol, high molecular weight polyethers are used as base oils and thickeners for water ethylene glycol refractory hydraulic fluids. They can be applied in HFC systems, high viscosity water-soluble products, and provide lubrication for fluid dynamics. In PAG quenching medium, the cooling rate of the quenching solution can be controlled by controlling the concentration and molecular weight of the polymer in the quenching solution.

PAG base oils are mainly water-soluble polyethers and water-insoluble polyethers. According to the application direction, polyether-based oils are mainly used in the following categories of products:

1. Used as a base oil of fully synthetic gear oil.

Some synthetic PAG oils can be used as gear oil base oils, and these PAGs have the following characteristics:

• Excellent extreme pressure performance and high load-bearing capacity. Suitable for turbine worm oil, industrial gear oil, gearbox bearings, etc;
• Good resistance to pitting corrosion, effectively extending the service life of oil products;
• Excellent thermal oxidation stability, which can inhibit the generation of oil sludge and carbon deposits;
• High viscosity and excellent lubrication performance can reduce sliding and rolling friction between gears;
• Wide operating temperature range (-30-200 ° C), no need for seasonal oil changes, lower operating costs;
• Extremely low friction coefficient and effectively reduced operating temperature can effectively reduce equipment power consumption and achieve energy-saving goals.

2. base oil for high-temperature chain oils

Part of the polyether is used as a polyether base oil for high-temperature chain oil, widely used for lubrication of chain transmission systems in high-temperature ovens, textiles, printing and dyeing, heat setting machines, and food grade equipment. It is also suitable for chain transmission systems in automotive paint baking lines, high-temperature drying rooms in the building materials industry, and other equipment. This type of polyether has the following characteristics:

• Excellent high and low temperature performance, the machine is easy to start at low temperatures and can be used for a long time under conditions not exceeding 220 ° C;
• High flash point, low volatility, extremely low tendency for carbon deposition and coking during long-term use at high temperatures, can maintain equipment cleanliness for a long time;
• Excellent lubrication performance, with excellent lubricity even under high temperature and heavy load conditions;
• Good cleanliness, can clean chains contaminated by other poor chain lubricants;
• Non toxic, odorless, harmless to the human body, and harmless to the environment.

3. Used for lubricating grease base oil

Some of the polyethers can also be used as lubricating base oils, suitable for lubrication between rubber and metal, plastic and metal, plastic and plastic, and metal and metal materials; Lubricating oil used for moving parts in contact with brake oil in automotive braking systems, such as sealing and lubrication of pistons and sealing rings, piston plates and plungers. This type of polyether has the following characteristics:

• Excellent resistance and good load-bearing capacity;
• Excellent lubrication and adhesion, good compatibility with rubber parts and plastics;
• Excellent high-temperature resistance, avoiding oil loss during high-temperature operation;
• Excellent oxidation stability, preventing oil deterioration at high temperatures;
• When used in cold regions, it still maintains good lubrication performance and does not solidify at low temperatures.

4. Used as a fully synthetic compressor base oil

Some of these polyethers, listed below, can be used in compressor oil formulations for gases such as air, inert gases, hydrocarbons, etc. These polyethers have the following characteristics:

• Excellent high-temperature stability, not easy to produce carbon deposits and coking at high temperatures, enhancing the safety of the compressor's operation at high temperatures;
• Excellent viscosity and temperature performance, allowing the oil to maintain good fluidity even at particularly low temperatures;
• Excellent thermal and chemical stability, which can maintain long-term operation of the equipment;
• • Good cleanliness, reducing cleaning costs;
• Ultra high viscosity index, which can meet a wide range of operating temperatures;
• Low moisture absorption, prevents capillary blockage, does not hydrolyze, does not corrode, and does not produce precipitation after long-term use.

5. Used as a base oil for refrigerators as special gases

Suitable for automotive air conditioning compressors such as R-134a and other HFC products, used as a base oil for refrigeration compressors. When mixed with R134a in a certain proportion, it has good high and low temperature solubility, with a high temperature solubility temperature of 0-80 ℃ and a low temperature solubility temperature of 0-60 ℃.
Unique polyether end capping technology has excellent solubility with R-134a and various HFCS refrigerants;

• • It has its own water repellent ability and is not prone to capillary freezing problems;
• Excellent viscosity index, can form a stable lubricating film at high temperatures, and has good lubricity;
• Low viscosity at low temperatures, with good fluidity and solubility;
• Stable chemical properties, and less decomposition under high temperature and humidity conditions.

6. For metalworking fluids

Due to the water solubility, oil solubility, and reverse solubility of polyethers, they are mainly used as cutting and quenching fluids in metal processing. When used as a cutting fluid, it has good cooling and lubrication properties, no tendency to precipitate and bubble, good permeability, and is not corrosive to most metals. It is less affected by water quality and water hardness, making it an excellent metal cutting fluid.

Chorus Lubricant Additives Company supplies a full range of PAG products, please contact us for more.