BASF defoaming explanaiton
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Defoaming and<br />
surface control<br />
Tiny amounts of an additive can make a world of difference<br />
to a coating’s performance.<br />
<strong>BASF</strong> offers a comprehensive range of surface modifying<br />
additives under the brand name Efka ® .<br />
Contents<br />
Defoaming<br />
What is foam? 04<br />
How do defoamers work? 04<br />
Choosing a defoamer 05<br />
Different defoamers for different systems 05<br />
Efka ® defoamers – product summary 06<br />
Wetting<br />
Surface tension 08<br />
Wetting process 08<br />
Surface control<br />
Surface defects 10<br />
Leveling 12<br />
Slip 12<br />
Chemistry behind 13<br />
Efka ® slip and leveling agents – product summary 14
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