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    TR-M 128

    2023-11-13

    1、 Features and main uses:

    TR-M 128 is an ortho benzene type unsaturated polyester resin (modified) with high reactivity, medium viscosity, and good thickening stability. Its products are water resistant, have good toughness, and have excellent comprehensive mechanical properties. Used for producing SMC/BMC products such as low-voltage insulation parts, water tank boards, and automotive components.


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



    Item



    Unit



    Barometer


    Testing standards



    Appearance



    ---



    Light yellow transparent liquid



    GB/T 8237.6.1.1



    Viscosity



    25,mPa.s



    1200-1400



    GB/T 7193-2008



    SPI-GT



    min



    3.5-6.5



    GB/T 7193-2008



    SPI-CT



    min



    5.0-8.5



    GB/T 7193-2008



    SPG-PET





    220-250



    GB/T 7193-2008



    Acid value



    MgKOH/g



    19.0-25.0



    GB/T 7193-2008



    Solid Content



    %



    62.0-66.0



    GB/T 7193-2008



    Hazen



    ---



    <=100



    GB/T 605



    Note: SPI gel time test: 82.2 ℃ water bath, add 2.0g curing agent AKZO CH-50 (BPO) to 100g resin


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



    Item



    Unit



    Measured value



    Test method



    Casting body



    Tensile strength



    MPa



    55.0



    GB/T2568



    Tensile modulus of elasticity



    MPa



    2800



    GB/T2568



    Elongation



    %



    2.4



    GB/T2568



    Bbending strength



    MPa



    100.0



    GB/T2570



    Flexural modulus



    MPa



    3100



    GB/T2570



    Heat distortion temperature





    118



    GB/T1634



    Barcol hardness



    ---



    46



    GB/T3854



    Note: 

    1) The casting sample preparation method shall be executed according to GB/T8237-2005; Curing system: temperature 25 ℃, accelerator 0.6% Co Naph 1.5%, curing agent AKZO M-50 1.5%.

    2) Post casting curing treatment: room temperature × 24 hours+60 ℃ × 3 hours+110 ℃ × 2 hours;


    4、 Precautions:

    1. Users should select corresponding types of resins based on specific environmental conditions and construction process requirements;

    2. It is recommended to stir evenly in the packaging barrel before use, or to pour out all the resin in the packaging barrel and stir evenly before use.

    3. 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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