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TR-8318W

2023-11-13

1、 Features and main uses:

Tianrun TR-8318W is an unsaturated polyester resin (modified) mainly composed of isophthalic acid and neopentyl alcohol, which has been dissolved in styrene. It has moderate reactivity, excellent mechanical properties, and excellent impact and cracking resistance, mainly used as a gel coat matrix resin


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



Item



Unit



Test indicators



Test method



Appearance



---



Tiny yellow transparent liquid



GB/T8237.6.1.1



Viscosity



Pa·s



430-530



GB/T 7193-2008



Acid value



mgKOH/g



17-21



GB/T 2895-2008



Gel time



Min(25℃)



4.0-6.0



GB/T 7193-2008



Solid content



%



60-63



GB/T 7193-2008



Stability



H(80℃)



≥24



GB/T 7193-2008



Note: Test gel time: 25 ℃ water bath, curing agent M-50 2% and accelerator RCA 2%.


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



Item



Unit



Test performance



Test method



Casting body



Tensile strength



MPa



≥60



GB/T2567-2008



Tensile modulus of elasticity



MPa



≥3000



GB/T2567-2008



Elongation at break



%



≥7



GB/T2567-2008



Bending strength



MPa



≥130



GB/T2567-2008



Flexural modulus



MPa



≥3600



GB/T2567-2008



Heat distortion temperature





≥60



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: 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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