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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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