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light stability agent 770

 

Chemical name: Bis(2,2,6,6-tetramethyl-4-piperidinyl)sebacate
CAS NO.: 52829-07-9
Molecular formula:C₂₈H₅₂O₄N₂
Molecular weight: 480.74
Structural formula:

Quilaty standard:

Appearance: white crystalline powder Assay(GC): 99.0% min Melting point: 81-85 Ash:0.10% max Volatile:0.50% max Transmittance: λ=425nm,% ≥98.0; λ=500nm,% ≥99.0

Packing: packed in fiber drum of 25kg net, lined with space paper sack.
Usage: Hindered amine light stability agent. it is used in anti-photooxidation of polyethylene, polypropylene and polystyrene products,also has good function to ABS resin and polyurethane plastic.