Address: No.1, Yu Xing Road, Yong’an zhou Town, Gaogang District, Taizhou City
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－888S Unsaturated polyester resins
TR－888S Unsaturated polyester resins
Features and main purposes:
TR－888S is a kind of unsaturated polyester resin synthesized with main materials of phthalic anhydride and standard diatomic alcohol, having dissolved in styrene,It features medium viscosity and moderate reactivity. With excellent mechanical properties.It is especially suitable for imitation granite/marble products with excellent strength, toughness, water resistance and weather resistance.
Specification of liquid resin(25℃)：
| Items |
Unit |
Testing result |
Test Method |
|
Appearance |
--- |
Transparent water-white liquid |
GB/T8237.6.1.1 |
|
Viscosity |
Pa·s |
0.70-1.20 |
GB/T 7193-2008 |
|
Acid Value |
mgKOH/g |
19-27 |
GB/T 2895-2008 |
|
Geltime |
Min（25℃） |
4.0-8.0 |
GB/T 7193-2008 |
|
Shelf life |
H（80℃） |
≥24 |
GB/T 7193-2008 |
Note: 25°C water bath, adding 1ml methyl ethyl ketone peroxide solution and 1ml colorless promoter T-8A solution into 100g resin
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 |
≥3500 |
GB/T2567-2008 |
|
Heat Distortion Temp |
℃ |
≥55 |
GB/T1634-2004 |
|
Barcol hardness |
--- |
≥40 |
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;