Choosing the appropriate polyethylene glycol product for a particular application requires understanding the fluid requirements of the application, knowing what is the most important of these requirements, and understanding the properties of various polyethylene glycol raw materials. Polyethylene glycol products can be used as industrial formulations for hydraulic fluids, quenching oils, compressors and refrigerator lubricants, heat transfer fluids, mechanical lubricants, welding fluxes, metal processing lubricants and textile finishing agents, etc. Industrial products.