Hauthane HD-2504
A very hard, polycarbonate-based, aliphatic, waterborne polyurethane dispersion.
Suggested Uses: HD-2504 was developed for general coatings use where exceptional resistance to hydrolysis, oxidation and UV degradation is required. HD-2504 is ideally suited for exterior applications where film durability and longevity are important considerations.
Characteristics:
- Superior chemical and stain resistance
- Excellent exterior weathering durability
- Excellent humidity resistance
- Contains n-methyl pyrrolidone co-solvent
Physical Properties
| Solids | 35 % |
| Solids Tolerance | ± 1 % |
| Viscosity | 50 to 500 cps |
| pH | 7.5 to 10.0 |
| Density | 1.06 kg/l |
| Softening Point | 350 ºF |
| Volatile Organic Compounds (VOC) Content (As Supplied) | 126 g/L |
| Sward Hardness | 50 |
Tensile Properties
| Elongation | 100 % |
| Tensile Strength | 7800 psi |
| 100 % Modulus | 5200 psi |
| Note | Tested at 20 inches/minute |
Application
HD-2504 may be used as a sole vehicle or blended with acrylic emulsions for application by conventional or air-assisted spray equipment. It may be thickened with associative thickeners to attain desired application viscosity.
Curing
| HD-2504 may be air dried at ambient temperatures with the addition of 5 – 10 % coalescing solvent. For thermal curing, typical oven drying temperatures and dwell times for aqueous coatings are sufficient to produce optimal film properties. |
