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Polyurethane Chain Extender Ethacure 300

    Buy cheap Polyurethane Chain Extender Ethacure 300 from wholesalers
     
    Buy cheap Polyurethane Chain Extender Ethacure 300 from wholesalers
    • Buy cheap Polyurethane Chain Extender Ethacure 300 from wholesalers

    Polyurethane Chain Extender Ethacure 300

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    Brand Name : EXCEEDCHEM
    Model Number : ETHACURE300(DMTDA)
    Certification : ISO9001
    Price : FOB Shanghai usd8.0-9.0/kg
    Payment Terms : L/C, T/T
    Supply Ability : 1000mt/month
    Delivery Time : 5-8working days
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    Polyurethane Chain Extender Ethacure 300

    Polyurethane Chain Extender Ethacure 300


    1. Introduction of polyurethane curing agent


    Polyurethane curing agent refers to the polyisocyanate group-containing component in two-component polyurethane paint, which is called polyurethane curing agent abroad.

    ModelFR22
    ConsistencyPolyurethane
    Density(KG/M3)19±6
    Expansion Multiple(time)Max. 80
    Cuttable Time(30mm diameter)(minute)Approx. 30
    Optimal Application Temp.(℃)+5~+35
    Min. Application Temp.(℃)+18~+25
    Min Temp. of can(℃)10
    Tensile Strength(Aluminum Plate)(KPA)120
    Dimensional Stability±3%
    Water Permeabilitynone
    Tack- free Time(minute)Max. 10
    Temp. Resistance(Long Term)(℃)-30~+80
    Temp. Resistance(Short Term)(℃)-40~+110
    Contents of formaldehyde and benzeneNone
    Thermal Conductivity(W/M.K)0.042
    Corrosion ResistanceQualified
    Fire Retardant FactorB2
    Toxicity after curingNone
    Shelf Life(18~22℃, store upside) (Month)9

    2. Classification


    (1) Adduct type, the most commonly used is the adduct of TDI and trimethylolpropane;

    (2) Biuret polyisocyanate;

    (3) Trimer type polyisocyanate, such as mixed trimer, HDI three Polymer, IPDI trimer. In addition, the dimer of IPDI is used as a curing agent for powder coatings.


    3. Uses: wood paint, glass paint, plastic paint, metal paint, floor paint, physical objects such as wood, automobiles, airplanes, machinery, electrical appliances, instruments, plastics, leather, glass, hardware, etc. Drying time: surface dry 15-20min , Polishing for 3-4h, hard work <24h
    Features: easy to dry, wear resistant, high hardness, good fullness, good flexibility, easy to sand, strong compatibility with solvents, stable performance


    4. Disadvantages: Part of the polyurethane curing agent contains toxic free TDI substances. If it does not meet the standard, it is easy to cause harm to the surrounding environment and people. Common symptoms are: eye pain, tearing, conjunctival hyperemia, cough, chest tightness, shortness of breath, asthma, red papules, maculopapular rash , Contact allergy and other symptoms, long-term exposure may cause cancer.


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