DISPERBYK® -191 by BYK 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.
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DISPERBYK® -191 properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Acid Value | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Amine Number | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flash Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Non-volatile Content | 0.0 Visible After Login | Visible After Login | Visible After Login |