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      1. PRODUCTS

        Silane coupling agent KH-858

        Product name Silane coupling agent KH-858
        CAS NO. 40372-72-3
        Product Image
        Product description Structure:(C2H5O)SiCH2CH2CH2S4CH2CH2CH2Si(OC2H5)3
        Product Name: Silane Coupling Agent KH-858
        Foreign corresponding brand: Si-69 (German Di Gaosha company)
        Chemical name: bis(γ-triethoxysilylpropyl) tetrasulfide
        Bis-(γ-triethoxysilylpropyl)-tetrasulfide
        Physical properties: This product is yellow or yellow-brown liquid, soluble in organic solvents such as lower alcohol, benzene, acetone, acetonitrile, toluene, chlorinated hydrocarbon, dimethyl sulfoxide, dimethylformamide, insoluble in water, d204 1.080 The flash point is greater than 100 ° C and decomposes when it is greater than 250 ° C.
        Technical indicators
        Liquid technical index 1. Appearance: light, light yellow transparent liquid
        2. Sulfur content: ≥ 22%
        3. Specific gravity: 1.087-1.110
        4. Refractive index: 1.485-1.4950
        5, viscosity: 10-14 (centipoise)
        Solid Technical Index (KH-858-N) 1, sulfur content 11%
        2, ash ≤ 11%
        3, volatiles ≤ 4%
        4. Specific gravity: 1.35± 0.05g/cm3
        5, bulk density 820g / L ± 20
        6, copper ≤ 25PPM
        7, manganese 25PPM
        8, chlorine 0.35%
        9, propanol extract 43%
        10, appearance: irregular black particles
        Use This product can be added to carbon black, talc, mica, clay, white carbon, fly ash, glass fiber and other fillers. Applicable to: vulcanized rubber such as butyl benzene, butyronitrile, butyl, butadiene, natural silk, chloroprene isobutylene, EPDM, etc., improve the crosslinking stability of rubber, improve various mechanical strength, and reduce rubber The products are permanently deformed, superheated and swellable in water, and improve dynamic characteristics. They are widely used in radial treads, rubber tire tire treads, carcass, outer wall, solid rubber tire roller surface, conveyor belt surface, steel brush line bonding. Rubber products such as insulation layers and coatings of rubber and rubber shoes
        Package This product is non-toxic, harmless, non-flammable and explosive material, paper-plastic composite bag lined with film packaging, net weight 50Kg, please pay attention to tight moisture when storing and transporting. The shelf life of the product is one year. (solid for 0.5 years)

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