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FOAM BAN® 257 is a fluorosilicone defoamer designed for use in a variety of non-aqueous fluids. The theoretical value for elemental Si content in FOAM BAN® 257 is in the range of 0.1-0.3%. This is a calculated value based on its components.

Functions: Defoamer

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Knowde Enhanced TDS

Identification & Functionality

Fluids & Lubricants Functions
Composition

Fluorosilicone compound dispersed in a mixed solvent system

Applications & Uses

Markets
Fluids & Lubricants Type
Applications
  • Lubricants/Hydraulics – mineral oil and synthetic based
Recommended levels/use

The properties and performance of a defoamer are greatly dependent upon the specific formulation in which it is utilized and, consequently, should always be tested at different levels to verify performance prior to use. A starting dosage between 100ppm and 500ppm, based on the weight of the formulation, is recommended

Properties

Appearance
clear liquid
Typical Properties
ValueUnitsTest Method / Conditions
Density at 25°C0.86g/cm³
Solubility in Waterinsoluble
Viscosity50mPa·s / cP

Packaging & Availability

Packaging Type

Storage & Handling

Storage and Packaging

For best results mix the product prior to use. The minimum shelf life in closed containers is 12 months from the date of manufacture

5 gallon pail holding 34 lbs/ 15 kg net.