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Light Stabilizer 770

Chemical name : Bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate
Introduction : LS-770 is a hindered amine light stabilizer (HALS), is used for polypropylene (tapes, films, thick items), polyethlene (thin and thick items) styrenics (acrylonitrile butadienestyrene,  polystyrene, high impact polysyrene), polyurethane, polyacetaL, polyamide. 

Details:
Molecular formula: C28H52O4N2
CAS NO : 52829-07-9

Structure :

Properties:

Molecular Weight : 481  Appearance : white crystals

Melting Range : 81-85 °C  Flashpoint : >150 °C

Specific Gravity(20 °C ) : 1.05 g/cm3
Applications:

1.Polypropylene : ABS : 0.3-0.5wt% based on polymer weight

PS : 0.2-0.3wt% based on polymer weight

HIPS : 0.2-0.3wt% based on polymer weight

2. High density polyethylene : 0.2-0.3wt% based on polymer weigh

3. Polyamide : 0.2-0.3wt% based on polymer weigh

4. Polyester : 0.2-0.3wt% based on polymer weigh
Packing：LS-770 is available in powder form in a 25kg fiber drum or 25kg carton with an inner PE liner.