Polyurethane Dispersion for Wood Coatings
| T-66E | H-119 | H-990 | |
|---|---|---|---|
| Characteristics | Highlight wood graining Excellent adhesion to wood substrate, PU & UV cure coating, Film with high transparency & toughness, Good thermal cycle behavior Resistant to wood oil migration, Zero VOC |
Excellent smooth appearance Need very few coalescent, High impact resistance, Good adhesion Very short tack-free time, Low VOC |
Water & alcohol resistant Pass all wood coating requirement (GB/T 23999-2009) Self-crosslinking Need very few coalescent, High impact resistance, Good adhesion Very short tack-free time |
| Application | Adhesive primer & wood stain for parquet floor or furniture | Sealer, Top-coat |
Sealer, Top-coat |
| Solid content (%) | 35 | 35 | 35 |
| Viscosity (cps) | <50 | <50 | <50 |
| PH Value | 7.0-9.0 | 7.0-9.0 | 7.0-9.0 |
| Appearance of dispersion | Almost transparent | Semi-transparent white | Semi-transparent white |
| Content of organic solvent | 0 | DMAC=8% | DMAC=7.5% |
| Content of formaldehyde, APEO, Sn | 0 | 0 | 0 |
| Minimum film formation temp. (℃) | < 0℃ | ~ 40 | ~ 40 |
| Suitable coalescent & addition | Not necessary | t-PNB=3~4% | t-PNB=3% |
| Tack free time (Min) | 5 | 25 | 25 |
| Sanding behavior | --- | Excellent | Excellent |
| Pencil hardness on glass | 4~6B | H~2H | H~2H |
| Glossiness (60°) | --- | 104 | 99 |
| Resistance to water (GB/T 23999-2009) |
--- | ~ 16Hr | PASS |
| Resistance to alcohol (GB/T 23999-2009) |
--- | NG | PASS |
| Anti-stain (GB/T 23999-2009) |
--- | PASS | PASS |
| Anti-blocking (GB/T 23999-2009) |
--- | PASS | PASS |
| Storage Time | 6 months | 12 months | 12 months |