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Bis(3-triethoxysilylpropyl)tetrasulfide CAS NO 40372-72-3

Bis(3-triethoxysilylpropyl)tetrasulfide CAS NO 40372-72-3

Silane Coupling Agent KH-SI69 Ⅰ . Description Chemical Name:Bis(3-triethoxysilylpropyl)tetrasulfide CAS NO: 40372-72-3 Molecular Formula: C18H42O6Si2S4 Molecular Weight: 539 Ⅱ .Typical Physical Properties Ⅲ .Application Field KH-Si69 is a silane coupling agent with multiple functional groups...

  • Features & Specification

    Silane Coupling Agent KH-SI69

    . Description

    Chemical Name:Bis(3-triethoxysilylpropyl)tetrasulfide

    CAS NO: 40372-72-3

    Molecular Formula: C18H42O6Si2S4

    Molecular Weight: 539


    .Typical Physical Properties

    Appearance

    Light yellow transparent liquid

    Density(ρ25℃,   g/cm3)

    1.060-1.100

    Refractive index(n 25℃)

    1.4600-1.5000

    Total Sulfur, %

    21.7-23.3

    Average Sulfur Chain Length

    3.55-3.85

    S2 Content, %

    15.0-21.0

    S3 Content, %

    27.0-33.0

    S4 Content, %

    21.0-27.0

    S5-S8 Content, %

    24.0-30.0

    Flash Point, Closed Cup, °C

    106


    .Application Field

    KH-Si69 is a silane coupling agent with multiple functional groups successfully used in rubber industry to improve modulus and tensile strength of rubber, to reduce the compound viscosity and save process energy consumption. It is especially applicable for polymers with double bond or rubber formulation with hydroxyl fillers. The suitable fillers include silica, silicate, clay, etc. The suitable rubber include natural rubber (NR), Butadiene styrene rubber (SBR), Isoprene rubber (IR), Butadiene rubber (BR), Acrylonitrile butadiene rubber (NBR), Ethylene propylene diene rubber (EPDM), etc.


    .Package and Storage

    Be packed in 25KG, 200KG drums, IBC Tank.

    We can also provide other specifications according to your request packaging, please telling us in advance when ordering.

    Be sealed and stored in cool and well ventilated place. Away from fire and water.


    1L&500ML&250ML&100ML(001).jpg 5L Plastic drum(001).jpg

     200L Plastic drum(001).jpg

     package(001).jpg

     pallet(001).jpg

    iron-barrel(001).jpg IBC桶(001).jpg

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