Knowledge

PMA (Polymethacrylate) is a high molecular weight polymer that functions as a pour point depressant in lubricating oils. It is an ideal choice for low-temperature hydraulic oils and viscosity index im

API GL-4 and GL-5 gear oil is used for different loading applications to improve gear life and reduce friction. Chorus can provide you with vehicle and industrial gear oil additives packages.

Esters used in high-temperature chain oils include trimellitates and polyol esters. They are characterized by high flash points, excellent resistance to carbon deposit and coking, and superior thermal

In modern lubricant formulation, Viscosity Modifier is the key technology that enables multigrade oils to work "in all seasons and climates." So, what are the common types of viscosity modifiers on th

Why do some sulfurized isobutylene (SIB) additives have a strong odor while others don't? Is it safe? Key facts about this standard EP additive in gear lubricants.

Rust preventive oil is crucial for protecting metal cargo during shipping in high-humidity, high-salt marine environments.

The long-term contact between copper & copper alloys and coolant easily corrodes the metal surface. Adding the excellent copper corrosion inhibitor TTA can reduce corrosion and loss, prolonging equipm

What are the components of HFC hydraulic fluid? Why is Polyalkylene Glycol（PAG）thickener a key indicator affecting the performance of HFC flame-retardant hydraulic oil?

Why do the sulfur carrier additives outperform in heavy load lubrication? The basic mechanism and advantages of sulfurized EP antiwear additive in lubircation and metalworking fluids.

The viscosity index improvers used in gear oil should consider the low temperature performance and high temperature shear stability. How to choose VIIs? Follow Chorus, you’ll get professional solution

PAG base fluids have adjustable water solubility or insolubility and are the only water-soluble lubricant additives. Their high oxygen content gives them excellent cleaning properties, making them su

Long life and high anti-corrosion make the antifreeze widely used in vehicle engines. But choosing a suitable antifreeze additive is a core element of anti-freezing.