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Tinuvin 791 HALS Light Stabilizer for PP products , CAS No.52829 - 07 – 9
Quick Detail :
LS 791 is a synergistic mixture combined by LS 944 and LS 770, which can be applied into different polymer products. It could get a highly effectiveness in PP products .
Description:
- Name : LS 791
- Chemical name :
Poly [ [ 6 - [ ( 1 , 1 , 3 , 3 - tetramethylbutyl ) amino ] - s - triazine - 2 , 4 - diyl ] - [ ( 2 , 2 , 6 , 6 -tetramethyl - 4 - piperidyl ) imino ] - hexamethylene - [ ( 2 , 2 , 6 , 6 - tetramethyl - 4 - piperidyl ) imino ] ]
Bis ( 2 , 2 , 6 , 6 - tetramethyl - 4 - piperidyl ) sebacate
CAS No. : 71878 - 19 - 8 / 52829 - 07 - 9
- Function : Low volatility , Exceptional light absorbing characteristics and can get a better performance in the use of combination with other UV absorbers as well as antioxidants .
Applications :
LS 791 areas of application include PP , PE, olefin copolymers such as EVA as well as blends of polypropylene with elastomers . In addition , LS 791 is highly effective in polyacetals, polyamides and polyurethane applications .
Specifications :
| Appearance | Light Yellow or White Powder |
| Melting Point ( DC ) | 80 . 0 min |
| Ash | 0 . 1 % max |
| Volatile | 1 . 0 % max |
| Transmittance | 425nm 90 . 0 % min |
| 450nm 93 . 0 % min |
Competitive Advantage :
The effectiveness of LS 791 surpasses significantly that of UV absorbers , particularly in pigmented systems . Combinations of LS 791 with UV absorbers in many cases result in synergistic effects .




