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Request Sample BYK®-325 Byk BYK®-325 is a solution of a polyether modified polymethylalkylsiloxane. This product prevents ghosting (wipe-marks) if recoated with the same paint. It typically does not cause rewetting problems and does not influence recoatability. These additives provi...view more BYK®-325 is a solution of a polyether modified polymethylalkylsiloxane. This product prevents ghosting (wipe-marks) if recoated with the same paint. It typically does not cause rewetting problems and does not influence recoatability. These additives provide a slight reduction of surface tension of paint systems. Therefore, they improve flow and leveling as well as display partial defoaming properties. Additionally, they prevent Bénard cell formation. view less
Request Sample BYK®-320 Byk BYK®-320 is a solution of a polyether modified polymethylalkylsiloxane. This product is a silicone leveling additive with defoaming properties. It is particularly suitable for non-polar to medium-polar paint systems. Its defoaming activity rises with incr...view more BYK®-320 is a solution of a polyether modified polymethylalkylsiloxane. This product is a silicone leveling additive with defoaming properties. It is particularly suitable for non-polar to medium-polar paint systems. Its defoaming activity rises with increasing coating polarity. In automotive and industrial coatings, BYK-320 will not exhibit problems with ghosting or telegraphing. To avoid these effects BYK-320 should be added to the paint which has to be recoated. view less