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    TR 885 unsaturated polyester resin (modified)

    2023-11-13

    1、 Features and main uses:

    Tianrun TR-885 is an unsaturated polyester resin (modified) synthesized from phthalic anhydride and standard diols as the main raw materials, which has been dissolved in styrene. It has moderate viscosity and reactivity, and excellent mechanical properties. Especially suitable for imitating granite/marble and handicrafts, with excellent strength, toughness, water resistance, and weather resistance.


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


    item

    Unit

    Test indicatorsTest method
    Appearance

    ---

    Transparent water white with blue light liquid

    GB/T8237.6.1.1

    Viscosity

    Pa·s

    0.7-1.3

    GB/T 7193-2008

    Acid value

    mgKOH/g

    15-26

    GB/T 2895-2008

    Gel time

    Min(25℃)

    5.5-10.5

    GB/T 7193-2008

    Stability

    H(80℃)

    ≥24

    GB/T 7193-2008


    Note: In a 25 ℃ water bath, add 2 ml of methyl ethyl ketone peroxide solution and 2 ml of RCA accelerator solution to 100g of resin


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


    Item

    Unit

    Test performanceTest method

    Casting body

    Tensile strength

    MPa

    ≥60

    GB/T2567-2008

    Tensile modulus of elasticity

    MPa

    ≥3000

    GB/T2567-2008

    Elongation at break

    %

    ≥3.0

    GB/T2567-2008

    Bending strength

    MPa

    ≥100

    GB/T2567-2008

    Flexural modulus

    MPa

    ≥3500

    GB/T2567-2008

    Heat distortion temperature

    ≥55

    GB/T1634-2004

    Barcol hardness

    ---

    ≥40

    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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