Introduction:
GOYENCHEM UV-5571 is a kind of hydroxyphenyl-benzotriazole type UV absorber, due to its liquid type, the solubility of solvent, monomer, and intermediate is good, can also be applied to the polymerization process.
GOYENCHEM UV-5571 contains a number of features, such as high temperature with low volatility, high absorption, high light stability, can be widely used in a variety of polymers
Features:
| Properties | |
| Appearance | Viscous yellow liquid |
| Specific gravity @ 20℃ | 1.0 g/cm3 |
| Vapor pressure @ 20℃ |
1.2 *10-5 Pa |
| Active ingredients | >98% |
| Penetration |
500nm >97% 450nm >93% |
| Volatile (%) | <0.5 |
UV spectrum:
Application:
Solubility: (g in 100 ml solvent )
| Acetone | >50 |
| Chloroform | >50 |
| Ethanol |
12 |
| Ethyl acetate | >50 |
| N-hexane | >50 |
| Methanol | 1 |
| Water | <0.01 |
Recommended dosage:
| Application | Dosage |
| PVC | 0.3%~0.6% |
| PVC co-extruded |
>5% |
| PU | 0.5% ~ 0.8% |
| Various thermoplastic and thermosetting resins | 0.5% ~ 1.0% |
| Fabric coating | 0.6% ~ 1.0% |
Storage:
25kg/drum