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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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        Copyright ? 2023 Taizhou Tianrun Synthetic Chemical Co., Ltd

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