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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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