Tooling Resin TO-29-2



ТO-29-2 is a two part low viscosity epoxy infusion resin developed for high temperature complex shape composite tooling. ТО-29-2 offers simple and flexible processing due to low viscosity at low impregnation temperature (25°С). Pre-curing at room temperature allows to remove composite tool from plastic model. Post-curing at 200°С provides service temperature of tool up to 220°. Self-heating time of 500g from 20°С to 60°С is more than 8 hours.



Density ρ

1.1 - 1.16 g/cm³ at 20 °C

ASTM D792, density of uncured and cured resin respectively (neat resin)

Water absorption cwater

3.22 % at 20 °C

(neat resin)


Elastic modulus E

3.6 GPa at 20 °C

ASTM D638 (neat resin)

Tensile strength Rm

56 MPa at 20 °C

ASTM D638 (neat resin)


Coefficient of thermal expansion α

7.9E-5 1/K at 20 °C

ASTM E831 (neat resin)

Glass transition temperature Tg

220 °C

ASTM E1640, dry (neat resin)

Impregnation temperature Tpreg

25 °C

Technological properties


The key features and benefits of TO-29-2 are: wide processing window of > 4 hours at 25°C, tracking of infusion process under UV light, pre-curing at room temperature, glass transition temperature 220°C, low moisture saturation.

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.