Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

BYK DISPERBYK-108 Wetting Dispersans Agents

BYK DISPERBYK-108 is a Wetting Dispersans Agents-free variant of DISPERBYK-107, designed for solvent-based high-solid and aromatic-free architectural coatings. Its hydroxyl-functional carboxylate structure with pigment-affinic groups enables steric stabilization of TiO₂, extenders, and organic pigments. Ideal for industrial coatings, leather finishes, and printing inks (flexo/gravure/screen), it enhances pigment compatibility in resin-free or resin-containing systems

Effect of BYK DISPERBYK-108 Wetting Dispersans Agents

  1. Dual Stabilization - Combines steric hindrance and electrostatic effects for uniform pigment dispersion

  2. Process Efficiency - Reduces dispersion time by 30-50% and lowers millbase viscosity

  3. Optical Enhancement - Improves gloss (up to 20% increase) and transparency in UV inks

  4. Food Safety - Compliant with FDA/EU standards for packaging inks

  5. Universal Compatibility - Works with TiO₂ (5-6%), carbon black (70-140%), and organic pigments (30-90%)

Typical Applications of BYK DISPERBYK-108 Wetting Dispersans Agents

  1. UV Flexographic Inks - High-gloss packaging films with stable color consistency

  2. Industrial Coatings - Radiation-curable can/coil coatings requiring fast curing

  3. Wood Finishes - UV-curable furniture coatings with improved pigment wetting

  4. Offset Printing - Matte/semi-gloss varnishes for label protection

  5. Adhesives - Solvent-free UV adhesives with controlled rheology

Technical Data of BYK DISPERBYK-108 Wetting Dispersans Agents

Chemical BaseBlock copolymer with pigment-affinic groups
Solvent SystemDicarboxylic acid ester
Active Content30% (150°C/20min)
Density (20°C)1.10 g/ml
Flash Point100°C
Shelf Life60 months (unopened)



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