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WorléeAdd 685

W´Add 685 is a defoaming emulsion based on polydimethyl siloxane for the use in water thinnable paints, printing inks etc. of different composition.

W´Add 685 is a very efficient antifoam agent and defoamer. Even low addition quantities of 0.1 - 0.5%, calculated on total formulation, lead to foam-pure properties a fast defoaming. The optimum addition quantity should be determined by serial trials. W´Add 685 can be added during paint production as well as to the ready paint. Important is a homogeneous distribution. This can be tested according to a glass draw down. The dried film has to be free from craters.

Technical Data
milky liquid
Active substance
approx. 10%
Viscosity, 25 °C, Brookfield, DIN EN ISO 2555, spindle 3/6 rpm
1,700 - 5,900 mPa·s
pH-value, DIN ISO 976
3.0 - 4.0
Density, 20 °C, DIN EN ISO 2811-1
Delivery form
aqueous emulsion

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