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.
- Superior chemical and stain resistance
- Excellent exterior weathering durability
- Excellent humidity resistance
- Contains n-methyl pyrrolidone co-solvent
|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
|Elongation ||100 %
|Tensile Strength ||7800 psi
|100 % Modulus ||5200 psi
|Note ||Tested at 20 inches/minute
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.
|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.|