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Product classification
TR-191E Unsaturated polyester resins
TR-191E Unsaturated polyester resins
Features and main purposes:
191E 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. Applicable for hand-lay FRP products .
Specification of liquid resin：(25℃)：
| Items |
Unit |
Testing result |
Test Method |
|
Appearance |
--- |
Transparent yellowish liquid |
GB/T8237.6.1.1 |
|
Viscosity |
CPa·s |
0.2-0.3 |
GB/T 7193-2008 |
|
Acid Value |
mgKOH/g |
17-23 |
GB/T 2895-2008 |
|
Geltime |
Min（25℃） |
7.7-14.3 |
GB/T 7193-2008 |
|
Exothermic peak time |
Min（25℃） |
20-30 |
|
|
Exothermic peak temperature |
℃ |
145-175℃ |
|
|
Shelf life |
H（80℃） |
≥24 |
GB/T 7193-2008 |
Note:25°C water bath, adding 2ml peroxide methyl ethyl ketone solution and 4ml iso-octanoic acid cobalt solution into 100g resin
Casting matrix(typical valu)：
| Items |
Unit |
Test performance |
Test Method |
|
Casting matrix |
|||
|
Tensile strength |
MPa |
≥75 |
GB/T2567-2008 |
|
Tensile Modulus |
MPa |
≥3500 |
GB/T2567-2008 |
|
Break elongation rate |
% |
≥2.8 |
GB/T2567-2008 |
|
Flexible strength |
MPa |
≥120 |
GB/T2567-2008 |
|
Flexible Modulus |
MPa |
≥4000 |
GB/T2567-2008 |
|
Heat Distortion Temp |
℃ |
≥78 |
GB/T1634-2004 |
|
Barcol hardness |
--- |
≥48 |
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;