Chemical name: Light Stabilizer Blend 50% HALS944 + 50% HALS622 CAS No.：70624-18-9  65447-77-0 Molecular weight: >2000-3100                 >2500                                                                Appearance: Light yellow granules or white powder Volatility, % : ≤0.1 Ash, %: ≤0.1 Transmittance, %:   425nm ≥ 90      500nm ≥ 94                                                                     LIGHT STABILIZER LS-783 is co-polymerized HALS with excellent and long lasting stabilizing effect against light and heat. It has low volatility, hardly extractable, which is particularly suitable for PP fiber, tape, thin and thick LLDPE, LDPE products.