Chemical name:  Poly-{[6-[(1,1,3,3-tetramethylbutyl)amino]-1,3,5-triazine-2,4-diyl][(2,2,6,6-tetramethyl-4-piperidyl)imino]-1,6-hexanediyl[(2,2,6,6-tetramethyl-4-piperidyl)imino]} CAS No.： 70624-18-9                      Molecular formula: [C35H66N8]n (n=4-5)  Molecular weight: 2000-3100                                                                      Appearance: White to slightly yellow powder Melting point，℃：110-130 Ash, %: ≤0.1 Volatility, %: ≤1 Light transmittance, %: 425nm≥93                      450nm≥95 LIGHT STABILIZER LS-944 is a high molecular weight hindered amine light stabilizer.  It provides outstanding light stability to many polymers and it also provides long-term stability to polyolefin. It can be used in polyolefin plastics (PP, PE), olefin copolymers such as EVA as well as blends of polypropylene with elastomer. It is highly effective in polyacetal, polyamide, polyurethane, flexible and rigid PVC as well as PVC blends, styrenic elastomer, adhesive specialty applications.  info at hhochem. com