ANHUI DERUN IMPORT & EXPORT TRADING CO., LTD
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Liquid Polyurethane Dispersion Resin DR-723 With Outstanding Scratch Resistance
PU Resin DR-723 is aliphatic liquid PU resin, with excellent adhesion to PU sole, PVC, nylon,
leather and other materials. It has excellent anti-yellowing, good folding resistance,
excellent scratch resistance, and is widely used for non-yellowing spray coating.
Specification
| Item | Unit | DR-723 | DR-733 |
| Chroma | APHA | ≤ 100 | ≤ 100 |
| Solid content | % | 35±2 | 35±2 |
| Viscosity | mPaS/35℃ | 5000-15000 | 5000-15000 |
| Solvent composition | Cyclohexanone/butyl acetate/alcohols | Cyclohexanone/butyl acetate/alcohols | |
| Tensile strength | Mpa | ≥ 45 | ≥ 40 |
| 100% modulus | Mpa | 5-7 | 6-8 |
| Elongation | % | ≥ 750 | ≥ 750 |
| Vitrification Temperature | ℃ | -63.7 | -41.2 |
| Softening point | ℃ | 100-120 | 130-150 |
Recommended formula:
| Components | Additional copies |
| DR-723/733 | 50 |
| R-706 | 31.3 |
| Defoaming agent | 0.5 |
| Leveling agent | 0.5 |
| thickener | 0.5 |
| cyclohexanone | 8.5 |
| butanone | 2.5 |
| Methyl benzene | 6 |
The above formula is used for general anti-yellowing and white PU spray painting. It should be adjusted according to the actual situation of specific users.
Application
Waterborne polyurethane dispersion resin is widely used non-yellowing spray coating.
Storage
Please keep it in a cool and dry place.
Under normal storage conditions, the shelf life of this product is one year.
Package
180kgs/ barrel
