Good Folding Resistance Polyurethane Resin Using In Non-yellowing Spray Coating
Good anti-yellowing
Good folding resistance
Good scratch resistance
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