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Service phone:0523-86925111
Emergency Call：4001165689 Fax:0523-86925988
Website：www.tztrchem.cn
E-mail:trtuhongyuan@tztrchem.cn.
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Product classification
TR-118（A）Unsaturated polyester resins
TR-118（A）Unsaturated polyester resins
Features and main purposes:
TR－118（A）O-phthalate unsaturated polyester resin is molded SMC/BMC resin, with high viscosity and high reactivity. Its products feature good heat resistance, excellent mechanical and electrical properties.
Specification of liquid resin：(25℃)： (25℃)：
| Items |
Unit |
Testing result |
Test Method |
|
Appearance |
--- |
Transparent yellowish liquid |
GB/T8237.6.1.1 |
|
Viscosity（25℃） |
Pa·s |
1.6-2.0 |
GB/T 7193-2008 |
|
Acid Value |
mgKOH/g |
16-22.5 |
GB/T 2895-2008 |
|
High Temperature Gel Time |
Min |
6.5-10.5 |
GB/T 7193-2008 |
Note: High temperature gel time test: 50% BPO powder 2.0%
Specification of casting resin(typical value):
| Items |
Unit |
Measured value |
Test Method |
|
Tensile strength |
MPa |
62 |
GB/T2567-2008 |
|
Tensile Modulus |
MPa |
3250 |
GB/T2567-2008 |
|
Break elongation rate |
% |
2.6 |
GB/T2567-2008 |
|
Flexible strength |
MPa |
88 |
GB/T2567-2008 |
|
Flexible Modulus |
MPa |
3200 |
GB/T2567-2008 |
|
Heat Distortion Tem |
℃ |
120 |
GB/T1634-2004 |
|
Barcol hardness |
--- |
45 |
GB/T3854-2005 |
Note: (1) Casting matrix sample is made according to GB/T8237-2005; with temperature of 25°C, curing system: promoter RCA 1.0%, Curing agent M-50 1.5%.
(2) Post-curing treatment of casting matrix: room temperature×24 Hours+60°C×3 Hours+80°C×2 Hours;