BASF defoaming explanaiton
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Efka ® defoamers<br />
Product summary<br />
Product name Chemical type Incorporation Dosage* [%]<br />
Solvent-borne<br />
coatings<br />
Silicone-free<br />
defoamers<br />
Efka ® 2018 N solution of <strong>defoaming</strong> substances before or after processing 0.1 - 1.0<br />
Efka ® 2020 solution of <strong>defoaming</strong> substances before or after processing 0.1 - 0.7<br />
Efka ® 2021 N solution of <strong>defoaming</strong> substances end of processing 0.1 - 2.0<br />
Efka ® 2050 solution of <strong>defoaming</strong> polymers prior to processing 0.1 - 0.5<br />
Efka ® 2526 emulsion of organic polymers and organic metal compounds before or after processing 0.1 - 1.0 -<br />
Efka ® 2720 solution of <strong>defoaming</strong> substances before or after processing 0.1 - 1.0<br />
Efka ® 2788 solution of a <strong>defoaming</strong> polymer in isopropanol at any stage of the production process 0.1 - 0.5 -<br />
Silicone<br />
containing<br />
defoamers<br />
Efka ® 2022 <strong>defoaming</strong> substances before or after processing 0.1 - 1.0<br />
Efka ® 2023 <strong>defoaming</strong> substances before or after processing 0.1 - 0.5<br />
Efka ® 2025 <strong>defoaming</strong> substances before or after processing 0.1 - 1.0<br />
Efka ® 2028 <strong>defoaming</strong> substances before or after processing 0.1 - 1.0<br />
Efka ® 2030 modified polydimethyl siloxane prior to processing 0.1 - 1.0<br />
Efka ® 2035 <strong>defoaming</strong> substances final production 0.5 - 1.0<br />
Efka ® 2038 <strong>defoaming</strong> substances final production 0.1 - 0.5<br />
Efka ® 2040 <strong>defoaming</strong> substances final production 0.1 - 0.7<br />
Efka ® 2527 emulsions of organic polymers and organic metal compounds before or after processing 0.1 - 1.0 -<br />
Efka ® 2550 modified poly-dimethyl-siloxane grinding stage/ final production 0.1 - 0.3 -<br />
Efka ® 2560 modified poly-dimethyl-siloxane at any stage of the production process 0.5 - 1.0 -<br />
Efka ® 2570 modified poly-dimethyl-siloxane at any stage of the production process 0.3 - 1.0 -<br />
Efka ® 2580 modified poly-dimethyl-siloxane at any stage of the production process 0.1 - 1.0 -<br />
Efka ® 2721 solution of <strong>defoaming</strong> polymers at any stage of the production process 0.5 - 1.0 -<br />
Efka ® 2722 <strong>defoaming</strong> substances before addition of pigments/ fillers 0.5 - 1.5<br />
Efka ® 2723 <strong>defoaming</strong> substances prior to processing 0.5 - 1.5
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