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A two-part epoxy resin for general applications to produce composites with operating temperatures up to 80 °C by vacuum infusion, RTM, winding and manual lamination.
—Read allT20-60 is a two-part low-temperature epoxy resin for general application to produce a composite wares by vacuum infusion, RTM, winding and manual lamination. It has a low viscosity at impregnation and molding temperatures (300 cP at 25°C), which makes it suitable for producing composites with low porosity.
T20-60 is a long-living resin so it can be used to manufacture large wares. A high cracking resistance allows to take full advantage of reinforcing material strength.
Advantages:
Neat resin characterisics
| Tensile strength, MPa | ASTM D638 | 80 |
| Tensile modulus, GPa | ASTM D638 | 3,2 |
| Dry glass transition temperature, Tg, °С | ASTM D790 | 87 |
| Density, g/cm3 | ASTM D792 | 1,273 |
| Flexural strength, MPa | ASTM D5045 | 155 |
| Fracture toughness, KIC, MPa*m1/2 | ASTM E2092 | 0,763 |
| Strain energy release, GIC, J/m2 | ASTM D792 | 386 |
Properties of CFRP
|
Tensile strength 0°σ11+, MPa at 25°C |
ASTM D3039 |
777 |
|
Tensile modulus 0°E11+, GPa at 25°C |
ASTM D3039 |
61 |
|
Compression strength 0° σ11-, MPa at 25°C |
ASTM D6641 |
583 |
|
Compression strength 0° σ11-, MPaat 80°C |
ASTM D6641 |
460 |
|
Compression modulus 0° E11-, GPa at 25°C |
ASTM D695 |
61 |
|
Compression modulus 0° E11+, GPa at 80°C |
ASTM D695 |
56 |
|
Shear strength τ13 , MPa at 25°C |
ASTM D2344 |
58 |
|
Shear strength τ13 , MPa at 80°C |
ASTM D2344 |
36 |
|
Shear strength τ12 , MPa at 25°C |
ASTM D5379 |
110 |
|
Shear strength τ12 , MPa at 80°C |
ASTM D5379 |
56 |
|
Shear modulus G12 , GPa at 25°C |
ASTM D5379 |
4.1 |
|
Shear modulus G12 , GPa at 80°C |
ASTM D5379 |
2.5 |
