| Project | Technical Standard |
| Appearance | Water white or yellowish liquid |
| Isocyanate content /% | 20.3±0.5 |
| HDI monomer content % | ≤0.2 |
| Viscosity (cp. 25℃) | 1000-3000 |
YL-W6901A can also be used as a crosslinking agent for water-based polyols and for most neutral water-based polymer dispersions such as polyurethanes, polyvinyl acetate resins, polyacrylates and synthetic rubber dispersions. After the addition of YL-W6600, the two-component coating to be used must be used during the activation period, which is affected by the polymer content and other components (such as resins, thickeners, plasticizers, etc.); In many dispersions, the end point of the activation period (usually a few hours) does not show up as gelation.
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