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          TR-501-T70

          2023-11-14

          1、 Features and main uses:

          Tianrun TR-501-T70 is an unsaturated polyester resin (modified) synthesized from phthalic anhydride as the main raw material, which has been dissolved in styrene and added with an accelerator. It has the characteristics of good and fast infiltration of glass fiber, low heat release, fast curing, and good defoaming performance. The product has good transparency, low shrinkage, and good toughness. This resin is recommended for vacuum induction or vacuum assisted RTM processes, especially suitable for automotive components, cabin covers, transparent carbon fiber products, etc. There are many gel time options.


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


          Item

          Unit

          Test indicators

          Test method

          Apperance

          ---

          Transparent reddish liquid

          GB/T8237.6.1.1

          Viscosity

          Pa·s

          0.15-0.20

          GB/T 7193-2008

          Acid value

          mgKOH/g

          15-25

          GB/T 2895-2008

          Gel time

          Min(25℃)

          65-75

          GB/T 7193-2008

          Stability

          H(80℃)

          ≥24

          GB/T 7193-2008


          Note: 25 ℃ water bath, add 1.5gM50 to 100g resin


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


          Item

          Unit

          Test performance

          Test method

          Casting body

          Tensile strength

          MPa

          70

          GB/T2567-2008

          Tensile modulus of elasticity

          MPa

          3500

          GB/T2567-2008

          Elongation at break

          %

          2.4

          GB/T2567-2008

          Bending strength

          MPa

          160

          GB/T2567-2008

          Flexural modulus

          MPa

          3800

          GB/T2567-2008

          Heat distortion temperature

          70

          GB/T1634-2004

          Barcol hardness

          ---

          ≥45

          GB/T3854-2005


          Note: 

          1) The casting sample preparation method shall be executed according to GB/T8237-2005; Temperature 25 ℃, curing system: curing agent M-50 1.5%.

          2) Post casting curing treatment: room temperature × 24 hours+60 ℃ × 3 hours+80 ℃ × 2 hours;



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          Address: No.1 Yuxing Road, Yonganzhou Town, Gaogang District, Taizhou City

          E-mail:trtuhongyuan@tztrchem.cn

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