Unsaturated polyvinyl chloride resin, modified epoxy resin
2023-11-14
1、 Features and main uses:
Tianrun TR-501-T70 is an unsaturated polyester resin (modified) synthesized from phthalic anhydride as the main raw material, which has been dissolved in styrene and added with an accelerator. It has the characteristics of good and fast infiltration of glass fiber, low heat release, fast curing, and good defoaming performance. The product has good transparency, low shrinkage, and good toughness. This resin is recommended for vacuum induction or vacuum assisted RTM processes, especially suitable for automotive components, cabin covers, transparent carbon fiber products, etc. There are many gel time options.
2、 Technical specifications of liquid resin (25 ℃):
Item | Unit | Test indicators | Test method |
Apperance | --- | Transparent reddish liquid | GB/T8237.6.1.1 |
Viscosity | Pa·s | 0.15-0.20 | GB/T 7193-2008 |
Acid value | mgKOH/g | 15-25 | GB/T 2895-2008 |
Gel time | Min（25℃） | 65-75 | GB/T 7193-2008 |
Stability | H（80℃） | ≥24 | GB/T 7193-2008 |
Note: 25 ℃ water bath, add 1.5gM50 to 100g resin
3、 Physical properties of the casting body (for reference only):
Item | Unit | Test performance | Test method |
Casting body | |||
Tensile strength | MPa | ≥70 | GB/T2567-2008 |
Tensile modulus of elasticity | MPa | ≥3500 | GB/T2567-2008 |
Elongation at break | % | ≥2.4 | GB/T2567-2008 |
Bending strength | MPa | ≥160 | GB/T2567-2008 |
Flexural modulus | MPa | ≥3800 | GB/T2567-2008 |
Heat distortion temperature | ℃ | ≥70 | GB/T1634-2004 |
Barcol hardness | --- | ≥45 | GB/T3854-2005 |
Note:
1) The casting sample preparation method shall be executed according to GB/T8237-2005; Temperature 25 ℃, curing system: curing agent M-50 1.5%.
2) Post casting curing treatment: room temperature × 24 hours+60 ℃ × 3 hours+80 ℃ × 2 hours;
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