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Polyol ester base stock well suited for applications where low viscosity is desired with a wide range of temperature capabilities. Viscosity of 19 cSt @ 40°C.


450lb Drum



Product Overview

CALESTER™ MW is a low level viscosity pure polyol ester derived from pentaerythritol and saturated fatty acids. This base stock is suitable for a broad range of lubricant applications due to its wide range operating temperature capabilities.

End Markets: Industrial


Used in many applications such as turbine oils, engine oils, air compressor oils, hydraulic fluids, and refrigeration lubricants. 
Related Applications:  Air Compressor Oil Formulating; Gear Oil Formulating; Grease Formulating; Hydrualic Oil Formulating; Industrial Oil Formulating; Metal Working Fluid Formulating; Refrigerant (Pentanes); Synthetic Lubricant Formulating; Textile Oil Formulating; Turbine Oil Formulating

Features & Benefits

High Oxidative Stability
High Viscosity Index
High Flash Point
Low Volatility
Low Pour Point
Readily Biodegradable
Miscibility with HFC Refrigerants

Product Specifications

Viscosity @ 100°C: 4.2
Viscosity @ 40°C: 19
Viscosity @ -40°C: 4,000
Viscosity Index: 127
Pour Point, °C: -60
Flash Point, °C: 248
Water Content, wt%: 0.02
Biodegradability rating: >60%
Chemistry:  Polyol Ester
Functions:  Base Stocks

Related Products

CALESTER™ Polyol Ester

Calumet CALESTER™ base stocks are available in a variety of viscosities for aviation, refrigeration, and industrial applications. The Group V polyol esters offer excellent thermal stability, compatibility, and are biodegradable. The CALESTER™ products deliver value where traditional base stocks cannot.

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EMEA: +31.43.711.0100

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