Xiamen WangQin Chemical Technology Co., Ltd.
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WL-157 is two component urethane coatings that have superior color and gloss retention. These products are usually used as topcoats and have good hardness and adhesion, acid, alkali, impact and abrasion resistance.It`sused to replace the standard solventborne polyurethane tested.
1, Product Composition:
Waterborne hydroxyl Acrylic Dispersion, Cosolvent, Neutralizing Agent, Water
2, Typical Data:
| Type of polymer | Waterborne hydroxyl acrylic dispersion |
| Non-volatile(%) | 42±2 |
| Viscosity( 25℃, mpa*s) | ≤2000 |
| PH | 7.0-8.0 |
| Neutral.agent | DMEA |
| OH value on solids (mgKOH/g) | 115 |
| Air dry | Applicable(for 2K PU) |
| Cross-Linking with amino resin | Applicable |
| Grinding | Applicable |
| Particle charge | Anionic |
| Drying speed | very good |
| Tolerance | very good |
3, Product Properties:
Self emulsifying process, emulsifier free.
Excellent shear stability, can be grinded with dispersions directly.
Quick-drying,Good gloss, hardness and limit film thickness.
Excellent weather resistance, water resistance and aging resistance.
4, Instructions:
WL-157 can be diluted with deionized water to construction viscosity. The resin can help to wet pigments, so wetting agent may reduce PH valueof the coating system can always be adjusted by N. N-dimthylethanolamine, viscosity of the dispersion will increase as the PH value increases
WL-157 can be mixed with poly aliphatic isocyanate curing agent for preparing high-gloss top coating which can dry fast at room temperature ordry by force at 80"C. The activation period is about 3 hours if it is used with BAYHYDUR 304(NCO/OH=1. 4/1.0).
Construction equipments can be cleaned by water, alkaline detergent or water soluble solvent.
5, Storage:
It is suggested that the product should be stored in a cool and dry weak alkaline place. The quality guarantee period is 6 months, and the expiredproducts can still be used after passing the inspections.
6, Applications:
2KPU self-drying top coatings and amino-baking top coatings.
7, Note:
the specification is a general introduction to the products of our company. It will be adjusted with the product improvement Please contact with thecompany to obtain the latest product description.