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Machine Parts Raw Material TDI Based Polyurethane

    Buy cheap Machine Parts Raw Material TDI Based Polyurethane from wholesalers
     
    Buy cheap Machine Parts Raw Material TDI Based Polyurethane from wholesalers
    • Buy cheap Machine Parts Raw Material TDI Based Polyurethane from wholesalers

    Machine Parts Raw Material TDI Based Polyurethane

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    Brand Name : EXCEEDCHEM
    Model Number : TDI-80/Polyester Polyurethane Prepolymer Shore A85
    Certification : ISO9001:2008
    Price : FOB Qingdao usd3.0/kg
    Payment Terms : L/C, T/T
    Supply Ability : 3000mt/month
    Delivery Time : 5-8 work days
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    Machine Parts Raw Material TDI Based Polyurethane

    Machine Parts Raw Material TDI Based Polyurethane

    1. Description


    This is a TDI-100 based Polyester polyurethane prepolymer.


    2. Characteristics

    • High oil resistance
    • Abrasive resistance
    • Good michanical performance

    3. Applications

    • Sieve plate
    • Machine parts
    • Sealing ring
    • Roller

    4. Typical properties

    TypeAppearanceViscosity(mPa.s/85℃)NCO%Packing(kg/drum)
    Solid2000-22003.60-3.8020/200

    5. Operating Procedure


    First, the prepolymer should be preheated in 80-85℃. Second, after vacumming, the prepolymer is to be mixed with melting MOCA evenly. Third, with degassing, casting into mould, and vulcanization,and then demould. Lastly, the finished product should be post vulcanized.


    6. Reaction parameters


    ItemMOCA (%)Gel time(min)Mixing temperature(℃)Post vulcanization(h)
    Specification10.54-4.585/12010

    7. Finished products properties


    ItemHardness(Shore A)Tensile strength(MPa)Tear strength(KN/m)Rebounding(%)
    Physical properties8548-5085-8844

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