VESTALITE® P 311

Alternative and trade names
VESTALITE® P 311
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Description

VESTALITE® P 311 is a polyurethane based resin formulation specially designed as matrix for fast curing prepreg applications. It gives room temperature stable, dry and non-tacky prepregs, which can be formed thermoplastically at 70 - 100°C and cured at temperatures between 150 and 180°C.

This material data has been provided by Evonik Industries AG.

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.

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Properties

General

PropertyTemperatureValueComment

Density

23.0 °C

1.13 g/cm³

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OECD 109 (neat resin)

Viscosity

23.0 °C

0.2 - 4 Pa·s

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ISO 3219, OECD 114 (neat resin)

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

3.4 GPa

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DIN EN ISO 527-2 (neat resin)

Elongation

23.0 °C

2.3 %

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DIN EN ISO 527-2 (neat resin)

Flexural modulus

23.0 °C

3.3 GPa

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DIN EN ISO 178 (neat resin)

Flexural strain

23.0 °C

3.6 %

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DIN EN ISO 178 (neat resin)

Flexural strength

23.0 °C

115 MPa

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DIN EN ISO 178 (neat resin)

Interlaminar shear strength

23.0 °C

80 - 90 MPa

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DIN EN ISO 14130 (Laminate)

Plane-Strain Fracture Toughnes

23.0 °C

1.7 MPa·√m

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ASTM D 5045-99

Poisson's ratio

23.0 °C

0.34 [-]

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DIN EN ISO 527-1 (neat resin)

Tensile strength

23.0 °C

85 MPa

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DIN EN ISO 527-2 (neat resin)

Strain energy release

DIN EN 6033 (Laminate)

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

130.0 °C

6E-5 1/K

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The values are measured at 20-130°C and 150-180°C. It is investigated via TMA (1K/min).

150.0 °C

1.95E-4 1/K

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The values are measured at 20-130°C and 150-180°C. It is investigated via TMA (1K/min).

Exothermic Peak

166 - 168 °C

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DSC [10K/min] (After prepreg step)

Gel time

350 - 450 sec

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Geltimer (Plate) at 140°C

Glass transition temperature

140 °C

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DIN EN ISO 11357-2 (neat resin)

Rheological Properties

PropertyTemperatureValueComment

Shrinkage

23.0 °C

0.9 %

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pVT Method (neat resin)

Technological properties

Property
Application areas

Lower volume and automated production of structural FRP components like leaf springs (PCM - Technology) and autoclave applications, exterior or interior surface applications. Curing speed can be adapted by catalyst.

Color

0 - 1.5 Gardner according to DIN EN ISO 4630