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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-6688 Unsaturated polyester resins
TR-6688 Unsaturated polyester resins
Features and main purposes:
TR－6688 is a kind of unsaturated polyester resin synthesized with main materials of phthalic anhydride and standard diatomic alcohol, having dissolved in styrene.It is characterized by lower viscosity and moderate reactivity,Applicable for injection molding crafts, especially for imitation granite/marble and handicrafts, with features of excellent strength, toughness, water-resistance and weathering-resistance.
Specification of liquid resin：(25℃)：
| Items |
Unit |
Testing result |
Test Method |
|
Appearance |
--- |
Transparent reddish liquid |
GB/T8237.6.1.1 |
|
Viscosity |
Pa·s |
0.25-0.35 |
GB/T 7193-2008 |
|
Acid Value |
mgKOH/g |
10-20 |
GB/T 2895-2008 |
|
Geltime |
Min（25℃） |
6-8 |
GB/T 7193-2008 |
|
Shelf life |
H（80℃） |
≥24 |
GB/T 7193-2008 |
Note: 25°C gel time test: 25°C water bath，1%M-50
Casting matrix(typical valu)：
| Items |
Unit |
Test performance |
Test Method |
|
Casting matrix |
|||
|
Tensile strength |
MPa |
≥60 |
GB/T2567-2008 |
|
Tensile Modulus |
MPa |
≥3000 |
GB/T2567-2008 |
|
Break elongation rate |
% |
≥3.0 |
GB/T2567-2008 |
|
Flexible strength |
MPa |
≥100 |
GB/T2567-2008 |
|
Flexible Modulus |
MPa |
≥3200 |
GB/T2567-2008 |
|
Heat Distortion Temp |
℃ |
≥60 |
GB/T1634-2004 |
|
Barcol hardness |
--- |
≥38 |
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;