BYK-MAX D 4221 by BYK is a wetting and dispersing additive in powder form for the production of color masterbatches. It is a highly functionalized polymer additive specially developed for optimum... view more

SCONA® TPKD 8304 PCC by BYK is an impact modifier for PBT and PLA. It is also used as an adhesion promoter for hard/soft composites with polyamide as the hard component. In this grade, dilution with... view more