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TR-M 128

2023-11-13

1、 Features and main uses:

TR-M 128 is an ortho benzene type unsaturated polyester resin (modified) with high reactivity, medium viscosity, and good thickening stability. Its products are water resistant, have good toughness, and have excellent comprehensive mechanical properties. Used for producing SMC/BMC products such as low-voltage insulation parts, water tank boards, and automotive components.


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



Item



Unit



Barometer


Testing standards



Appearance



---



Light yellow transparent liquid



GB/T 8237.6.1.1



Viscosity



25,mPa.s



1200-1400



GB/T 7193-2008



SPI-GT



min



3.5-6.5



GB/T 7193-2008



SPI-CT



min



5.0-8.5



GB/T 7193-2008



SPG-PET





220-250



GB/T 7193-2008



Acid value



MgKOH/g



19.0-25.0



GB/T 7193-2008



Solid Content



%



62.0-66.0



GB/T 7193-2008



Hazen



---



<=100



GB/T 605



Note: SPI gel time test: 82.2 ℃ water bath, add 2.0g curing agent AKZO CH-50 (BPO) to 100g resin


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



Item



Unit



Measured value



Test method



Casting body



Tensile strength



MPa



55.0



GB/T2568



Tensile modulus of elasticity



MPa



2800



GB/T2568



Elongation



%



2.4



GB/T2568



Bbending strength



MPa



100.0



GB/T2570



Flexural modulus



MPa



3100



GB/T2570



Heat distortion temperature





118



GB/T1634



Barcol hardness



---



46



GB/T3854



Note: 

1) The casting sample preparation method shall be executed according to GB/T8237-2005; Curing system: temperature 25 ℃, accelerator 0.6% Co Naph 1.5%, curing agent AKZO M-50 1.5%.

2) Post casting curing treatment: room temperature × 24 hours+60 ℃ × 3 hours+110 ℃ × 2 hours;


4、 Precautions:

1. Users should select corresponding types of resins based on specific environmental conditions and construction process requirements;

2. It is recommended to stir evenly in the packaging barrel before use, or to pour out all the resin in the packaging barrel and stir evenly before use.

3. 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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