Description
UVISTOP 770 DF is a low molecular weight light stabilizer (HALS).
Chemical name: Bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate
CAS 52829-07-9
Transmittance at 425 nm > 98% (10% toluene)
Transmittance at 500 nm > 99% (10% toluene)
Density = 1,05 g/cm3
Application
UVISTOP 770 DF provides high light stability to polymers and plastic films.
It is used in polyolefin systems, styrenic resins, PA, PU…
Suggested amount: 0.1-1% (depending on substrate, process conditions and application).
Technical Specifications
| Method of analysis | MU | Standard |
|---|---|---|
| 15 Appearance | White granules | |
| 90 Purity | % | > 98 |
| 1000 Volatiles | % | < 1 |
| 1 10g/2h/100°C | ||
| Method of analysis | MU | Standard |
|---|
Handling
Physical appearance: white powder/granules
Solubility in hexane: 5% w/w
The product is NOT soluble in water (<0.1% w/w).
Packaging
The product is supplied in plastic bags (25 kg).
Storing
Keep the product at room temperature, away from direct sunlight and moisture.
Use within 24 months from production date (unopened and in the original packaging).