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          2. Dafeng Tiansheng Pharmaceutical Co., Ltd.(Dafeng Huashu Pharmaceutical Co., Ltd.)
            Bulk drug
            Intermediate
            ODA
            UV adsorbent
            Photoinitiator
            Antioxidant
            Light stabiliser
            OCTA LS-770
            Category: HALS
            CAS No.: 52829-07-9
            Chemical name: Bis(2,2,6,6-tetramethyl-4-piperidinyl)sebacate
            Molecular formula: C28H52O4N2
            Molecular weight: 481
            Structural formula:
            Technical index:
            appearance white crystal powder
            content(GC) 99.0%min
            melting point 81-85℃
            volatile matter 0.5%max
            ash content 0.1%max
            solution clarity
            (10% in toluene)
            transparent and clear
            light transmittance 425nm 96%min
            500nm 98%min
            Application:

            OCTA LS-770 is HALS light stabilizer. It is better than common ultraviolet light absorber. It is appropriate for polyethylene, polystyrene, polypropylene, ABS resin, polyester and polyurethane.

            Packaging: 20kg fiber can or according to customer requirement
            Storage: in seal, in dry and in dark
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