The Universal Selection Source:
Adhesives Ingredients


Technical DataSheet | Supplied by Byk (Altana Group)

DISPERBYK® -191 by Byk Altana Group is a copolymer with pigment affinic groups. Acts as wetting and dispersing agent. It deflocculates pigments through steric stabilization of the pigments and fillers. DISPERBYK® -191 reduces viscosity, subsequently, leveling is improved and higher pigment loading is possible. It is used for aqueous adhesives and suitable for epoxy, PUR systems. Its recommended levels are 6 - 13% inorganic pigments, 4 - 7% titanium dioxide, 19 - 50% organic pigments, 30 - 90% carbon blacks and 1 – 3% fillers.

DISPERBYK® -191 Product details

Product Type
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Chemical Composition
Product Status
Applications/ Recommended for
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DISPERBYK® -191 Properties


Value & Unit
Test Condition
Test Method
Acid value
xx mg KOH/g
Density @ 20°C
xxxx g/ml
Non Volatiles Matter
xx %
Flash point
xxxxx °C
Amine value
xx mg KOH/g
Last edited Dec 18, 2017
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