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Tiangang® HS-791
Synergistic Mixture of Oligomeric Hindered Amine light stabilizer
| Chemical name |
Tiangang® HS-944: Poly-{[6-[(1,1,3,3-tetramethylbutyl)amino]-1,3,5-triazine-2,4-diyl][(2,2,6,6-tetramethyl-4- piperidinyl)imino]-1,6-hexanediyl[(2,2,6,6-tetramethyl-4-piperidinyl)imino]}, and Tiangang® HS-770: Bis(2,2,6,6-tetramethyl-4-piperidyl)-sebaceate |
| CAS number | Preparation: 71878-19-8/70624-18-9 (US) and 52829-07-9 |
| Structure |  |
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| Description | Tiangang® HS-791 is a synergistic mixture of Tiangang® HS-944 and Tiangang® HS-770. It is a highly effective radical scavenger belonging to the Hindered Amine Light Stabilizers (HALS) family of stabilizers. It is an excellent UV stabilizer for various thick applications of PP, PP/EPDM and PP/PE/EPDM blends (TPOs), such as automotive bumpers, garden furniture, tapes and woven sacks. |
Typical properties
| Appearance |
Relative Density @ 20oC |
Melting range oC |
Flash point oC | |
| Tiangang® HS-791PW | White to slightly yellow powder | 1.0 – 1.2 g/cm3 | 55~140 | > 150 |
| Tiangang® HS-791FB | White to slightly yellow granules |
Safety & handling
| Tiangang® HS-791 | The use of proper protective equipment is recommended. Excess exposure to the product should be avoided. Wash thoroughly after handling. Store the product in a cool, dry, well-ventilated area away from incompatible materials. |
| Disclaimer | The information supplied is presented in good faith and has been derived from sources believed to be reliable. Since conditions of use are beyond our control, all risks are assumed by the user. No representation is expressed or implied, and nothing herein shall be construed as permission or recommendation to practice a patented invention without license. |
Light Stabilizer for Plastics
Light Stabilizer for Coatings
