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Modified MDI Wanhua Wannate 8629D For Polyurethane Integral Skin Foam

    Buy cheap Modified MDI Wanhua Wannate 8629D For Polyurethane Integral Skin Foam from wholesalers
     
    Buy cheap Modified MDI Wanhua Wannate 8629D For Polyurethane Integral Skin Foam from wholesalers
    • Buy cheap Modified MDI Wanhua Wannate 8629D For Polyurethane Integral Skin Foam from wholesalers

    Modified MDI Wanhua Wannate 8629D For Polyurethane Integral Skin Foam

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    Brand Name : Wanhua
    Model Number : Wannate 8629D
    Certification : ISO9001:2018
    Price : FOB Qingdao usd2.3/kg
    Payment Terms : L/C,T/T
    Supply Ability : 3000mt/month
    Delivery Time : 14 work days
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    Modified MDI Wanhua Wannate 8629D For Polyurethane Integral Skin Foam

    Modified MDI Wanhua Wannate 8629D Used For Polyurethane Integral Skin Foam


    1. Application

    WANNATE 8629D is a mixture of polyol-modified diphenylmethane diisocyanate (MDI) and polymethylene polyphenyl isocyanate (PMDI). It is a brown liquid at room temperature.Mainly used in the automotive, furniture, and toy industries, especially suitable for the production of polyurethane integral skin foam.


    2. Typical Physical and Chemical Properties

    Test Item(s)Specification(s)
    AppearanceBrown Liquid
    Viscosity (25°C), mPa·s230-430
    NCO Content, %25.8-26.8
    Density (25°C), g/cm³1.17–1.19


    3. Package(s)

    210 liter iron drums, 240 kg/drum

    4. Storage

    Due to the high reactivity of WANNATE 8629D, it readily reacts with moisture to form insoluble urea compounds and releases carbon dioxide gas, which can lead to drum swelling and increased viscosity. Therefore, containers must be completely dry, tightly sealed, and protected with dry nitrogen during storage.

    WANNATE 8629D should be stored at room temperature (15–25°C) in a well-ventilated indoor area with strict sealing. If the storage temperature falls below 10°C, crystallization may occur. In the event of crystallization, it must be melted as soon as possible by heating. It is recommended to use a hot air oven with a rotating drum device at 70–80°C. Localized overheating is strictly prohibited, as decomposition and gas formation may occur above 230°C. After heating, the material inside the drum must be mixed thoroughly.

    Avoid prolonged storage above 50°C to prevent formation of insoluble solids and viscosity increase. Under appropriate storage conditions, the shelf life is 9 months.


    5. Shelf Life

    From the date of manufacture, the shelf life is 9 months under recommended storage conditions. Products beyond the shelf life that still meet specification requirements generally remain suitable for use.


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