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    TR-128APT unsaturated polyester resin (modified)

    2023-11-13

    1、 Features and main uses:

    Tianrun TR-128APT is an unsaturated polyester resin (modified) mainly composed of phthalic anhydride and standard diols, which has been dissolved in styrene. Made by adding white carbon black, dispersant, defoamer, metal cobalt, etc. through high-speed dispersion and deep processing, it has low viscosity, high thixotropy, no flow in the vertical plane, and excellent mechanical properties. Fiberglass products suitable for spray forming processes.


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


    Item

    Unit

    Test indicators

    Test method

    Appearance

    ---

    Tiny red band thixotropic liquid

    GB/T8237.6.1.1

    Viscosity

    CPa·s

    350-650

    GB/T 7193-2008

    Acid value

    mgKOH/g

    14-24

    GB/T 2895-2008

    Gel time

    Min(25℃)

    18-25

    GB/T 7193-2008

    Stability

    H(80℃)

    ≥24

    GB/T 7193-2008

    THIXOTROPIC INDEX

     

    2-4

     


    Note: In a 25 ℃ water bath, add 1ml of methyl ethyl ketone peroxide solution and 1ml of colorless accelerator T-8A 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

    ≥55

    GB/T2567-2008

    Tensile modulus of elasticity

    MPa

    ≥3100

    GB/T2567-2008

    Elongation at break

    %

    ≥2.5

    GB/T2567-2008

    Bending strength

    MPa

    ≥100

    GB/T2567-2008

    Flexural modulus

    MPa

    ≥3500

    GB/T2567-2008

    Heat distortion temperature

    ≥75

    GB/T1634-2004

    Barcol hardness

    ---

    ≥45

    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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