WellCoat DFA

Defoamer

(TU) 20.59.59-260-14023401-2020

WellCoat DFA is a high-performance defoamer for the production of paints and varnishes based on modified polydimethylsiloxanes.

WellCoat DFA is supplied in plastic containers with a capacity of 1 m3
(European cube), in barrels of 230 kg or in canisters of 30 liters.

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Purpose

WellCoat DFA is used to prevent the formation of foam during the production and use of emulsion paints, industrial emulsions, impregnations, emulsion plasters and adhesives. Easily dispersed and remains effective after long-term storage of finished products. The WellCoat DFA defoamer is resistant to yellowing under the influence of ultraviolet rays and does not affect the absorption and distribution of color in the painted systems.

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Order the sample and test it in real conditions. Later on, our laboratory will elaborate on this reagent to adjust it to your specific needs.

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Physical and chemical properties

Property

DFA

DFA-2

DFA-3

Appearance

Homogeneous opaque or translucent liquid from white to light yellow color without mechanical impurities

pH value of 10% solution, units

6.0-10.5

Density at 20 °C, g/cm3

0,99-1,02

0,90-1,03

0,99-1,02

Effective defoaming, %, min

Recommendations to application

Recommended dosage 0.1-0.5% of the product by weight of the solution. The optimal dosage of the additive is determined by laboratory tests. Please contact Himprom representatives in order to choose the optimal concentration.