Polyakylene Glycols-W type-High Viscosity
High Viscosity
- good water solubility,
- inverse solubility at very high temperatures (resulting in excellent lubrication in aqueous fluids)
- highly polar polymer chain that ensures a high affinity to metal surfaces.
- exceptional lubricating properties excellent thermo-oxidative stability
- applications far above 200 °C
Product information
Polyakylenglycole Typ W are produced from statistical addition of a blend containing normally 75% Ethylene oxide and 25% propylene oxide to an initiator (water).
The products are characterised by
- water solubility,
- inverse solubility at very high temperatures (giving rise to excellent lubrication in aqueous fluids)
- a highly polar polymer chain, which provides for high affinity to metal surfaces.
As a result Polyalkylene glycols possess exceptional lubricating properties. The products have excellent thermo-oxidative stability which is enhanced further by appropriate choice of antioxidants, allowing applications well in excess of 200 °C.
These can be tailored to specific customer needs.
Although soluble in water, not all applications are water based;
Application, for example,
in textile lubricants,
- water based hydraulic fluids,
- gear and bearing oils, metal-working fluids,
- compressor lubricants for hydrocarbon gases,
- release agents for rubber,
- incidental food contact lubricants
- heat transfer oils.
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