ME-DEFOA is a blend of non-ionic surfactants and silicone polymer.

ME-DEFOA is used to prevent or eliminate foaming tendencies in water-based fluids or brains.

Advantages

 Reduction or elimination of foaming

 Effective at low concentrations

 Compatible with a range of water-based fluids and brines.

 Fast de-foaming, Long - lasting Antifoaming effect and strong chemical inertness.

 Good rheological property and stability

 Can be added directly to the circulating system

 Contains no petroleum hydrocarbons

 It has good de-foaming effect on the refractory foam caused by xanthan gum or sodium carboxymethyl cellulose as viscosifier.

 Can be used in oil treatment process to replace of De-emulsifier.

 It has good de-foaming effect by 45ppm, inhibition effect by 70ppm, and recovery rate of density reach to 90% by 50ppm

 The rate can reach 91%

Typical Properties

Appearance: Clear liquid

Specific gravity: 0.98-1.05

PH : 6.0-8.0

Fluorescence level: 0

Flash point: >160°C

The product is emulsion, if the product is found to have micro delaminating, the shake should be added evenly.

Recommended Treatment

Add 0.25 - 0.50 kg/m³ ME-DEFOA directly to the circulating system. ME-DEFOA can be added before lubricants which may have a foaming tendency.

http://www.medrillingfluids.com/