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        TR-8620

        2023-11-13

        1、 Features and main uses:

        Tianrun TR-8620 belongs to the unsaturated polyester resin (modified) used for neopentyl glycol SMC/BMC, with low viscosity and high reactivity, good coloring and thickening properties. Its products have a flat surface, high glossiness, excellent water and heat resistance, high mechanical strength, and excellent electrical performance. Recommended for use in electrical components, industrial components, bathroom components, vehicle components, and other fields.


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


        Item

        Unit

        Test indicators

        Test method

        Appearance

        ---

        Light yellow transparent liquid

        GB/T8237.6.1.1

        Viscosity (25 ℃)

        Pa·s

        0.6-0.8

        GB/T 7193-2008

        Acid value

        mgKOH/g

        12-15

        GB/T 2895-2008

        High temperature gel time

        Min

        6.0-8.0

        GB/T 7193-2008

        Note: High temperature gel time test: 50% BPO powder 2.0%


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


        Item

        Unit

        Measured value

        Test method

        Tensile strength

        MPa

        55

        GB/T2567-2008

        Tensile modulus of elasticity

        MPa

        3000

        GB/T2567-2008

        Elongation at break

        %

        1.5

        GB/T2567-2008

        Bending strength

        MPa

        100

        GB/T2567-2008

        Flexural modulus

        MPa

        3300

        GB/T2567-2008

        Heat distortion temperature

        130

        GB/T1634-2004

        Barcol hardness

        ---

        50

        GB/T3854-2005


        Note: 

        (1) The casting method shall be executed according to GB/T8237-2005; Curing system: Accelerator 0.6% Co Naph 1.5%, curing agent M-50 1.5%.

        (2) Post casting curing treatment: room temperature × 24 hours+60 ℃ × 3 hours+120 ℃ × 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

        蘇ICP備18051636號-1 Technical support:MUZINFO
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