RHEOBYK® -7420 CA by BYK is easy to handle rheology modifier designed for adhesives and sealants. It is solution of a modified urea which is hygroscopic in nature.
- It prevents sedimentation, as well as syneresis effects in filled systems.
- When used in higher dosages, it enables an improvement of anti-sagging properties.
- It forms a thixotropic flow behavior, which increases the viscosity at a low shear rate, but does not affect the application properties at a high shear rate.
- It is suitable for use in highly polar and aqueous binder systems.
- Recommended dosage level is 0.2-1% based upon the total formulation to prevent settling and 0.5-2.5% to prevent sagging.
- RHEOBYK® -7420 CA has a shelf life of 18 months.
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RHEOBYK® -7420 CA properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Active Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Auto-ignition Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Boiling Point | 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, Closed Cup | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Vapor Pressure | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity, Dynamic | 0.0 Visible After Login | Visible After Login | Visible After Login |
| pH | 0.0 Visible After Login | Visible After Login | Visible After Login |
