DISPERBYK® 181 is an additive designed to enhance colorant acceptance in aqueous systems. It functions as a wetting agent and dispersant, improving flow and ensuring excellent storage stability. This APEO-free additive is ideal for waterborne coatings, providing improved color acceptance and long-term stability in coating formulations.

Functions: Dispersant, Wetting Agent

Chemical Family: Polyamines

End Uses: Waterborne Coating

Labeling Claims: Alkylphenol Ethoxylate (APEO)-free

Enhanced TDS

Identification & Functionality

Chemical Family
Manufactured By
CASE Ingredients Functions
Technologies
Product Families

Features & Benefits

Labeling Claims
CASE Ingredients Features
Key Features
  • DISPERBYK-181 improves the storage stability (gloss, flow) in emulsion paints, and the colorant acceptance and color development in tinting systems;
  • in aqueous systems it is generally used together with a dispersing additive such as BYK-154.

Applications & Uses

Coating End Applications
Use Level
0.3 - 1%
Processing Instructions

DISPERBYK-181 is added subsequently as a post additive.

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Flash Point46°C-
SolventsMethoxypropyl acetate/propylene glycol/methoxypropanol 5/3/2--
Non-Volatile Matter (10 min, at 150°C)65%-
Density (at 20°C)1.04g/ml-
Acid Value33mg KOH/g-
Amine Value33mg KOH/g-
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Surface Tension34.4mN/m-
Ignition Temperaturemin. 392°CDIN 51794
Miscible InWater--
Density (at 20°C)1.04g/cc4 (Oscillating U-tube, at 20°C)
Lower Explosion Limit1%V-
Explosion Limits (Upper)12%V-
Flash Point46°C48 (Abel-Pensky)
Vapor Pressure (at 20°C)5hPaDerived
Initial Boiling Point120°CDerived
Melting Pointmin. 32°FDerived
pH Value (1% Concentration, at 20°C)6--
OdorAlcohol-like--
AppearanceLight yellow--

Storage & Handling

Storage Information

Mix well before use. Separation or turbidity may occur. Warm to 30-60 °C and mix well.