Polyurethane Dispersion for Natural Leather Coatings
| A-20A | T-62B | |
|---|---|---|
| Characteristics | Excellent film formation behavior Hydrolysis resistant, Good adhesion to leather, Anti-blocking at embossing Soft grade |
Very high gloss & transparency Hydrolysis resistant, Abrasion resistant, Section sensitivity |
| Application | Base coat & top coat for nature leather | High gloss top coat or finish for nature leather |
| Solid content (%) | 35 | 38 |
| Viscosity (cps) | < 200 | < 200 |
| PH Value | 7.0-9.0 | 7.0-9.0 |
| Appearance of dispersion | Almost transparent | Semi-transparent white |
| Content of organic solvent | 0 | DMAC=8% |
| Content of formaldehyde, APEO, Sn | 0 | --- |
| Appearance of dried film | Transparent | High gloss & transparent |
| 100% Modulus (kg/cm²) | 36±6 | 70±20 |
| Tensile Strength (kg/cm²) | >250 | >350 |
| Elongation (%) | >550 | >450 |
| Flexibility (Cycle) | >100,000 | >100,000 |
| Storage Time | 12 months | 8 months |