BYK 307 is a polyether-modified polydimethylsiloxane additive that provides strong reduction of surface tension. It improves substrate wetting, prevents defects and increases surface properties. BYK 307 is solvent-free and suitable for various solvent and solvent-free systems. BYK 307 enhances the performance of materials by reducing surface tension. It allows for uniform spreading and coverage of applied coatings and sealants. BYK 307 prevents common application issues like cratering and improves aesthetics with increased gloss and slip. It is highly effective at low usage levels and compatible with multiple chemistries. BYK 307 is a versatile additive suitable for different product formulations.