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Structural Epoxy Resin T26

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Description

Т26 is a single part low viscosity epoxy infusion resin developed for high-loaded structures. T26 offers simple and flexible processing due to low viscosity at relatively low impregnation temperatures (110°С). T26 was developed specially for RTM and vacuum infusion molding, to produce laminates with low porosity and extremely high mechanical performance, especially in crack resistance.

Properties

General

Density ρ

1.17 g/cm³ at 20 °C

ASTM D792 (neat resin)

Water absorption cwater

1.6 % at 20 °C

54h, boiling water (neat resin)

Mechanical

Elastic modulus E

3.1 GPa at 20 °C

ASTM D638 (neat resin)

Elongation A

4 - 7.2 % at 20 °C

Flexural strength σbend

152 MPa at 20 °C

ASTM D790 (neat resin)

Fracture toughness KIC

0.62 MPa·√m at 20 °C

ASTM D5045 (neat resin)

Strain energy release GIC

188 J/m² at 20 °C

ASTM D5045 (neat resin)

Tensile strength Rm

95 MPa at 20 °C

ASTM D638 (neat resin)

Thermal

Coefficient of thermal expansion α

7.2E-5 1/K at 20 °C

ASTM E831 (neat resin)

Glass transition temperature Tg

202 °C

ASTM E1640, dry (neat resin)

Max service temperature Tmax

150 °C

(neat resin)

Technological properties

Other

The key features & benefits of T26 are: one-part resin designed specifically for high-temperature infusion or RTM, wide processing window of > 7 hours at 110°C, curing at 180°C provides glass transition temperature of 205°C, high wet glass transition temperature -172°C, very high resistance to impact, operating temperatures from -60°C to 150°C.

This material data has been provided by ITECMA.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.