DISPERCOLL® S 4020 by Covestro is an anionic colloidal solution of amorphous silicone dioxide. It is intended as a component for waterborne polychloroprene adhesives based on Dispercoll® C dispersions. The proper viscosity for a particular application can be obtained through the addition of nano-zinc oxide to the adhesive formulation. Shows improved moisture resistance and a higher heat
resistance. The shelf life of DISPERCOLL® S 4020 is six months, and the recommended storage temperature is 10-25 °C.
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DISPERCOLL® S 4020 properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Ash Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Particle Size | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Surface Area | 0.0 Visible After Login | Visible After Login | Visible After Login |
| pH | 0.0 Visible After Login | Visible After Login | Visible After Login |