Light Stability Agent HS-508

Chemical Name: The active substance is a mixture of: Bis(1,2,2,6,6-pentamethyl-4-piperidinyl)-sebacate and 1-(Methyl)-8-(1,2,2,6,6-pentamethyl-4-piperidinyl)-sebacate Structure: Specifications: Appearance: pale yellow liquid Transmittance: 90%(425nm) Transmittance: 95%(500nm) Purity: 96% Molecular formula: C30H56N2O4                              C21H39NO4 Uses: Hindered amine light stability agent. Mainly used in coatings, printing ink and polyurethane lacquer, preventing coating from blowing-out and surface peeling-off, with better effect for mobile coatings. It has cooperative effect with UV absorbent of benzotriazo. Storing: Being easy to adsorb moisture, it shall be sealed and stored in dry places.