Nuodex Combi QS Condea Servo Drier / Siccative >> Combination drier Coatings >> Solventborne Coatings >> Solvent-Free/ High-Solids Coatings >> Waterborne As mentioned earlier, active driers are mostly used in combination with auxiliary driers. SERVO offers a range of ready-made drier combinations, which are called combi driers. These driers have amongst others, the following advantages: improved efficiency reduction of the amount of raw materials reduced risk of weighing errors optimal metal proportions simplified production process · uniform quality Lead, Zirconium and Barium-free driers NUODEX Combi QS A highly concentrated, pre-complexed com-bination drier. (contains 2.5% Co, and is Lead, Zirconium and Strontium free). The product can be used in traditional Lead-free paints as well as High Solids. These specially prepared combination driers are used in oxidatively drying paints. Lead, zirconium and barium-free, highly concentrated, pre-complexed combination drier. Used in oxidatively drying paints such as traditional lead-free paints and high solids. Offers improved efficiency, reduction of the amount of raw materials and optimal metal proportions·