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Epoxy resin T20-60

Summary

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.

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Description
Specifications
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Description

T20-60 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:

  • Impregnation and curing at room temperature (25°C);
  • Composite operating temperature range is up to 80°C;
  • The glass-transition temperature after curing is 87°C;
  • Wide processing window - 2 hours at room temperature (25°C).

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

Viscosity

Viscosity T20-60

Application area

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