UV Curable Polyurethane Dispersion (UV-PUD)
| UV-13A | UV-16A | |
|---|---|---|
| Characteristics | Yellowing type Middle solid content Economical Pass all the requirements of wood coating (GB/T 23999-2009) |
Non-yellowing type Middle solid content Standard type Pass all the requirements of wood coating (GB/T 23999-2009) |
| Application | Sealer, Top-coat |
Sealer, Top-coat |
| Solid content (%) | 35 | 35 |
| Viscosity (cps) | <200 | <200 |
| PH Value | 6.5-9.0 | 6.5-9.0 |
| Appearance of dispersion | Semi-transparent white | Semi-transparent white |
| Content of organic solvent | DMAC=4.7% | 0% |
| Photo initiator & dosage | 3 | 3 |
| UV irradiation energy (mJ/cm²) | 500-900 | 500-900 |
| Pencil hardness on glass | H~2H | 2H |
| Glossiness (60°) | 109 | 100 |
| Resistance to water (GB/T 23999-2009) |
PASS | PASS |
| Resistance to alcohol (GB/T 23999-2009) |
PASS | PASS |
| Resistance to hot water (GB/T 23999-2009) |
PASS | PASS |
| Resistance to acid (GB/T 23999-2009) |
PASS | PASS |
| Resistance to alkali (GB/T 23999-2009) |
PASS | PASS |
| Anti-stain (GB/T 23999-2009) |
PASS | PASS |
| Anti-blocking (GB/T 23999-2009) |
PASS | PASS |
| Storage Time | 6 months | 6 months |
| UV-77A | |
|---|---|
| Characteristics | High C/P value Very easy to wash-out Good adhesion Highlight wood graining Resistant to oil migration |
| Application | Adhesive primer & wood stain for furniture |
| Solid content (%) | 35 |
| Viscosity (cps) | 50 ±20 |
| PH Value | 6.0-8.5 |
| Appearance of dispersion | Semi-transparent white |
| Content of organic solvent | DMAC = 4.5% |
| Viscosity after 30% dye added (cps) | < 100 |
| Viscosity after 30% dye & 3% photo initiator added (cps) | < 200 |
| Stability after 30% dye & 3% photo initiator added (hr) | > 72 |
| Touch feeling before UV curing | Tacky |
| Photo initiator & dosage | 1 |
| UV irradiation energy (mJ/cm²) | 100 |
| Pencil hardness on glass | 3B |
| Glossiness (60°) | --- |
| MEK rub(cycle) | >50 |
| Alcohol rub(cycle) | >50 |
| Toluene rub(cycle) | >100 |
| Storage Time | 6 months |