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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－34 Gel coat
TR－34 Gel coat
Features and main purposes:
TR－34 Gel coat is an unsaturated polyester resin synthesized with main raw materials of phthalic anhydride and propylene glycol, having dissolved in styrene with addition of imported fumed silica and other additives. It features high viscosity and high thixotropic that the gel doesn't flow down, thus applicable for the surface coating of general FRP products.
Specification of liquid resin：(25℃)：
|
Items |
Unit |
Testing result |
Test Method |
|
Appearance |
--- |
Transparent thixotropic liquid |
GB/T8237.6.1.1 |
|
Viscosity |
Pa·s |
1.20-2.40 |
GB/T 7193-2008 |
|
Acid Value |
mgKOH/g |
16-24 |
GB/T 2895-2008 |
|
Geltime |
Min（25℃） |
5.30-10.00 |
GB/T 7193-2008 |
|
Shelf life |
H（80℃） |
≥24 |
GB/T 7193-2008 |
|
Thixotropy Index |
|
≥4 |
|
Note: 25°C water bath, adding 2ml peroxide methyl ethyl ketone solution and 4ml iso-octanoic acid cobalt solution into 100g resin
Specification of casting resin(typical value):
| Items |
Unit |
测试性能 |
Test Method |
|
浇铸体 |
|||
|
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 |
≥3000 |
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;