Light stabilizer 770 (HALS)

Chemical Name: Bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate

CAS NO.：52829-07-9

Features
Light stabilizer 770 is a low molecular weight hindered amine light stabilizer, with low volatility, migration resistance, and high temperature resistance. It has synergetic effect with antioxidants and UV absorbers.

Applications
The product is suitable for polyolefin materials, cross-linked polyethylene, olefin copolymers and other polymer materials. It can often be used with other light stabilizers, antioxidants and UV absorbers, to further improve the anti- aging effect of materials.

Typical properties
Appearance                    White crystal powder or granules
Purity                               ≥99%
Light transmittance    ≥98% （425nm）              ≥99% （500nm）
Molecular weight        480 g/mol
Melting point               81-86℃
Volatiles                        ≤0.5%
Ash                                ≤0.1%

Package & Storage
Package: 25kg carton inner with plastic bag or as customer`s requirement.
Storage: Keep container tightly closed in a dry and well-ventilated place.