| Project | Technical Standard |
| Appearance | Water white or yellowish liquid |
| Isocyanate content /% | 13.8±0.5 |
| Non-volatile matter /% | 70.0±2.0 |
| HDI monomer content % | ≤0.4 |
| Viscosity (cp. 25℃) | 70-200 |
The addition of YL-W6907 to the two-component aqueous polyurethane system has a long activation period, a fast hardness establishment rate and excellent chemical or solvent resistance. 2/2 Although the addition of YL-W6907 has a long activation period of the two-component coating, the activation period 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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