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－888A Unsaturated polyester resins
TR－888A Unsaturated polyester resins
Features and main purposes:
TR－888A is a kind of unsaturated polyester resin synthesized with main raw materials of isophthalic acid and standard diatomic alcohol, having dissolved in styrene.with medium viscosity and moderate reactivity.With excellent mechanical properties.Applicable for general type buttons, with excellent strength, toughness, water resistance and weathering resistance.
Specification of liquid resin：(25℃)：
|
Items |
Unit |
Testing result |
Test Method |
|
Appearance |
--- |
Transparent water-white with blue light |
GB/T8237.6.1.1 |
|
Viscosity |
Pa·s |
0.60-1.10 |
GB/T 7193-2008 |
|
Acid Value |
mgKOH/g |
16-24 |
GB/T 2895-2008 |
|
Geltime |
Min（25℃） |
4.00-8.00 |
GB/T 7193-2008 |
|
Shelf life |
H（80℃） |
≥24 |
GB/T 7193-2008 |
Note: 25°C water bath, adding 2ml methyl ethyl ketone peroxide solution and 2ml RCA promoter solution into 100g resin
三．Casting matrix(typical value)：
| Items |
Unit |
Test performance |
Test Method |
|
Casting matrix |
|||
|
Tensile strength |
MPa |
≥58 |
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 |
≥3400 |
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;