DOS

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DOS

Category:

PLASTICIZER FOR LOW TEMPERATURE

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  • Details

    Commodity Name: di-n-octyl sebacate [dos]
    Commodity Name: Plasticizing Agent DOS
    Molecular Formula: C26H50O4
    Molecular Weight: 426.68 g/mol 


    DOS is an excellent cold-resistant plasticizing agent of high plasticizing efficiency and low volatility. It has excellent cold resistance, good heat resistance, light resistance and electric insulativity, is applicable for various kinds of resins such as polyvinyl chloride (PVC), vinyl chloride copolymer, nitrocellulose, ethyl cellulose, synthetic rubber, etc. This product is especially suitable for making cold-resistant wires and cables, leatheroid, film, planks, sheets, and so on. It is often used together with phthalic acid ester plasticizing agent. As a plasticizing agent used for synthetic rubber at low temperature, it has no effect on the vulcanization of rubber. 


    Product Quality Index (HG/T3502-1989)

    Item

    Index

    Test Method

    Chrominance (platinum-cobalt number)

    ≤30

    GB/T 1664-95

    Acidity (mgKOH/g)

    ≤0.10

    GB/T 1668-95

    Density (20℃), g/cm3

    0.913-0.919

    GB/T 4472-84

    Moisture content, %

    ≤0.1

    GB 11133-89

    Flash point, ℃

    ≥210

    GB 1671-88

    Ester content, %

    ≥99.5

    GB/T 1665-95

    Index of refraction (20℃)

    1.449-1.453

    GB 1657-81

    Heating loss, %

    ≤0.2

    GB 1669-88

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