产品简介  
     Wetting and dispersing additive for solvent-borne coatings and pigment concentrates. Stabilizes all types of pigments. With broad compatibility, it is suitable for solvent-based general-purpose pigment concentrates with aldehyde-based or acrylic resins as grinding resins.

  chemical components  
     High molecular weight block copolymer solution containing pigment affinity groups

  Typical materialized data
       The data given on this data page are only typical values, not the technical specifications of the product.

 Current status of food contact regulations  
   For information on the food contact regulatory status of this product, please contact our Product Safety Department.

storage and transportation 
  Layering or turbidity may occur below 0 °C, heat to 20 °C and mix well.

 pay attention  
       The surface treatment of some organic pigments can adversely affect the effectiveness of this wetting and dispersing additive. In this case, try untreated pigments of the same type.
When used in coil coatings, the interaction between the cationic additive and the acid catalyst must be considered. Free or epoxy blocked acids are more suitable than amine blocked acids. This problem can be avoided by using the DISPER BYK-170 series.

  Application:  coating industry

  Features and Benefits
   The high molecular weight additives deflocculate and stabilize pigments through steric hindrance. DISPER BYK-163 provides the same charge to the pigment particles. The resulting repulsive force and steric stabilization can effectively avoid possible co-flocculation, so that the multi-pigment system does not produce color floating and blooming. The additive's deflocculating properties increase the gloss, color strength, clarity and hiding power of the coating while reducing the viscosity of the millbase.
 

 Recommended Applications  
     DISPER BYK-163 has broad compatibility and can be used in various solvent-borne formulations. Can also be used for post remediation of problematic paints. For some new applications, newer additives such as DISPER BYK-2163 and DISPER BYK-2164 are recommended.

  Recommended dosage  

Auxiliary dosage (as purchased) based on pigment:

The above data are empirical dosages, and the optimal dosage needs to be determined through a series of tests.

  Incorporation Method and Processing Instructions 
  For optimum performance, the additive should be added to the millbase first, followed by the pigment. The resin and solvent components of the millbase are premixed first, and then the additives are slowly added with constant stirring. Do not add pigments before the additives are evenly mixed. Problematic coatings can be remedied by post-addition, which requires slow addition under high shear conditions.