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    TR-191E unsaturated polyester resin (modified)

    2023-11-14

    1、 Features and main uses:

    Tianrun 191E is an unsaturated polyester resin (modified) mainly composed of phthalic anhydride and standard diols, which has been dissolved in styrene. Has medium viscosity and moderate reactivity. Suitable for hand laying fiberglass products.


    2、 Technical specifications of liquid resin (25 ℃):


    Item


    Unit



    Test indicators



    Test method



    Appearance



    ---



    Transparent light yellow liquid



    GB/T8237.6.1.1



    Viscosity



    CPa·s



    0.2-0.3



    GB/T 7193-2008



    Acid value



    mgKOH/g



    17-23



    GB/T 2895-2008



    Gel time



    Min(25℃)



    7.7-14.3



    GB/T 7193-2008



    Heat release peak time



    Min(25℃)



    20-30



     



    Exothermic peak temperature





    145-175℃



     



    Stability



    H(80℃)



    ≥24



    GB/T 7193-2008



    Note: In a 25 ℃ water bath, add 2 ml of methyl ethyl ketone peroxide solution and 4 ml of cobalt isooctanoate solution to 100g of resin


    3、 Physical properties of the casting body (for reference only):


    item


    Unit



    Test performance



    Test method



    Casting body



    Tensile strength



    MPa



    ≥75



    GB/T2567-2008



    Tensile modulus of elasticity



    MPa



    ≥3500



    GB/T2567-2008



    Tensile modulus of elasticity



    %



    ≥2.8



    GB/T2567-2008



    Bending strength



    MPa



    ≥120



    GB/T2567-2008



    Flexural modulus



    MPa



    ≥4000



    GB/T2567-2008



    Heat distortion temperature





    ≥78



    GB/T1634-2004



    Barcol hardness



    ---



    ≥48



    GB/T3854-2005



    Note: 

    (1) The casting method shall be executed according to GB/T8237-2005; Temperature 25 ℃, curing system: accelerator RCA 1.0%, curing agent M-50 1.5%.

    (2) Post casting curing treatment: room temperature × 24 hours+60 ℃ × 3 hours+80 ℃ × 2 hours;


    4、 Precautions:

    1. Before use, please stir evenly in the packaging bucket, or pour out all the resin in the packaging bucket and stir evenly before use.

    2. During transportation, it should comply with Chapter 5 of the State Council's "Regulations on the Safety Management of Chemical Dangerous Goods" regarding the transportation and loading and unloading of chemical dangerous goods. The product should be stored in a cool place below 25 ℃, avoiding ignition and isolating heat sources. The shelf life for storage below 25 ℃ is 3 months.


    5、 Regarding Product Safety Data (MSDS):

    Before using this product, please read the MSDS carefully.

    Hotline

    0523-86925111

    Address: No.1 Yuxing Road, Yonganzhou Town, Gaogang District, Taizhou City

    E-mail:trtuhongyuan@tztrchem.cn

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    Copyright ? 2023 Taizhou Tianrun Synthetic Chemical Co., Ltd

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