Epoxide; Epoxy Reinforced with 30% Glass Fibers and 20% Mineral Powder (EP+GF25+MD45)

Alternative and trade names
Bakelite®
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Description

Epoxy moulding compound, inorganically filled, glass fiber reinforced, highly heat resistant, good electrical properties, even at higher temperatures, very slight post shrinkage, increased media resistance

This material data has been provided by M-Base.

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

PropertyValue

Density

1.84 - 1.9 g/cm³

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Mechanical

PropertyValueComment

Elastic modulus

15.0 - 17.0 GPa

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Elongation

4 %

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Impact strength, Charpy notched

5.0 - 9.0 kJ/m²

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Impact strength, Charpy unnotched

9 kJ/m²

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14 kJ/m²

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Tensile strength

70.0 - 90.0 MPa

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at 4% strain

Thermal

PropertyValueComment

Coefficient of thermal expansion

2e-05 - 3e-05 1/K

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Max service temperature

210 °C

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Short

170 °C

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Long

Thermal conductivity

0.6 - 0.8 W/(m·K)

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Flammability

UL 94 V1-V0

Electrical

PropertyValue

Dielectric constant

3.5 [-]

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6.5 [-]

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Electrical resistivity

100000000000.0 - 1000000000000.0 Ω·m

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Optical

PropertyValue

Transparency

no

Technological properties

Property
Application areas

Spark plug connectors, contact strips, contact bridges

Fillers

30% Glass Fiber and 20% Mineral Powder

Processing methods

Injection molding, compression molding