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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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