1.Chemical name: bis (1,2,2,6,6-pentamethyl-4-piperidinyl) -sebacate and 1-(Methyl)-8-(1,2,2,6,6-pentamethyl-4-piperidinyl)-sebacate Chemical Formula: C30H56N2O4 + C21H39NO4C3O Structure: Molecular weight: 508 and 421 CAS NO.: 41556-26-7 and 82919-37-7 2. General Specification: Appearance: clear, slight yellow liquid Content: 97.0% min Ash: 0.10% max Transmitttance: (5g/45ml): 425nm≥98.0% 500nm≥99.0% Volatile: 0.50% max 3.Uses: This product is a liquid-type hindered amine light stabilizer, may extend all kinds of plastics and coatings in the use of outdoor exposure time. During processing, the polymer will not produce odors and affect materials original colors. It is not easy to volatile at high temperature processing, and has good compatibility with most of industrial solvent. It's applied to PE, PVC, PVB, ABS resin, polyester and polyurethane, etc., especially suitable for automotive coatings, industrial coatings, painted wood, paint-hardening, PU resins and adhesives and so on.. 4.Packing and Storage: 25kgs plastic-lined drum or 180kgs metal pail, or according to customers' requirements.