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Application: Various high requirements coatings: UV vacuum primer, topcoat, various metal UV, cover UV, UV 3D printing, UV glue, etc.
Contact UsDescription
L-6390 It is a specially modified polyurethane acrylate resin, the product has good reactivity, excellent water resistance, heat resistance, good adhesion to metal, good flexibility, good vibration wear resistance, good for PC, ABS , PMMA, TAC and other plastic substrates have excellent adhesion, and have a good balance between hardness and flexibility. They are the first choice for tough and wear-resistant coatings.
Chemical & physical data
| Appearance | Colorless transparent liquid. |
|---|---|
| Viscosity (60℃, CPS) | 5000 - 15000 CPS |
| Gardner | ≤1 |
| UV component（%） | 100% |
| Density (g/cm3,25℃) | 1.1±0.2 |
| Acid value (mgkoH/g) | ≤1 |
| Refractive index | 1.481 |
| Shore hardness | 75D |
| Tensile strength (MPa)(ASTM D882) | 10.6 |
| Elongation at break (%)(ASTM D882) | 5.5 |
| Functional group number | 4 |
Performance
Excellent water resistance, heat resistance
Good adhesion to metal
Good balance of flexibility and hardness
Good resistance to yellowing (700mj/cm², B value 1.1 after curing)
Application
3C electronic coating, crystal glue, SPC floor, adhesive, UV 3D printing, UV nail polish color glue, UV nail polish seal layer, etc.
Storage, shelf time and Packing
To prevent the product from polymerization and gelling, please keep it sealed and away from heat and light. Safe storage time is 6 months at room temperature( 25ºC) and under ventilation.
This product will be packed into 20KG/200KG/barrel
Tips: L-6390 has excellent toughness and resistance to yellowing, and can be used as nail polish glue and sealant.
Related Products
| Product | Description |
|---|---|
| L-6390 | Tough 4-functional UV modified polyurethane |
| L-6460 | High leveling 4-functional UV polyurethane resin |
| L-6460D | Tin-free 4-functional UV polyurethane resin |
Note: Technical data represents typical values only. In view of the differences in formulas, production process, conditions, all the above statements must be adjusted according to the actual situation, our company does not make any promises. Our company reserves the right to reform its products without prior notice of any changes.