Sinomer® UVU6257 AD is a difunctional aliphatic polyurethane acrylate oligomer. It is characterized by high viscosity, moderate curing speed, excellent flexibility, and good wetting properties.
SINOMER® UVU6257 AD
(Aliphatic Polyurethane Acrylate)
Sinomer® UVU6257 AD is a difunctional aliphatic polyurethane acrylate oligomer. It is characterized by high viscosity, moderate curing speed, excellent flexibility, and good wetting properties.
| 检验项目 (Item) | 指标要求 (Specification) |
| 外观 (Appearance) | Slightly yellow transparent liquid |
| Color (Fe-Co) | ≤1 |
| Viscosity (cps @ 40°C) | 300,000 - 700,000 (NDJ-79 viscometer) |
| NCO Value (mg KOH/g) | 0 |
| Functionality | 2 |
| Refractive Index (25°C) | 1.5090 ± 0.005 |
| Density (g/ml) | 1.05 ± 0.02 |
UV-curable adhesives
Base coat for UV nail gel
(A film was prepared with a mass ratio of Sinomer® UVU6257AD : Photoinitiator 1173 = 100 : 3 and tested. Results are as follows:)
Surface Dryness: Not dry after 10 passes @ 26 mJ/cm²
Wetting Property ( on Leneta film): Fair
Yellowing Resistance: Fair
Pencil Hardness: <6B
Elongation at Break: 400%
Flexibility: Excellent
Gloss (60°): 91.8°
20kg or 200kg/drum.
存放在干燥、阴凉、通风良好的库房内。
Avoid exposure to light and heat.
Be careful to prevent leakage, rain and sun during transportation