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

Ashby charts

See where Epoxide; Epoxy Reinforced with 30% Glass Fibers and 20% Mineral Powder (EP+GF25+MD45) falls on the material property chart for Density against Elastic modulus in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.

Properties

General

Density

ρ

1.84 - 1.9 g/cm³ at 20 °C

Mechanical

Elastic modulus

E

15 - 17 GPa at 20 °C

Show Epoxy Resin (EP) materials with Elastic modulus of 15 - 17 GPa at 20 °C

Elongation

A

4 % at 20 °C

Show Epoxy Resin (EP) materials with Elongation of 4 % at 20 °C

Impact strength, Charpy notched

Ivnot

5 - 9 kJ/m² at 20 °C

Show Epoxy Resin (EP) materials with Impact strength, Charpy notched of 5 - 9 kJ/m² at 20 °C

Impact strength, Charpy unnotched

Iunnot

9 - 14 kJ/m² at 20 °C

Show Epoxy Resin (EP) materials with Impact strength, Charpy unnotched of 9 - 14 kJ/m² at 20 °C

Tensile strength

Rm

70 - 90 MPa at 20 °C

Show Epoxy Resin (EP) materials with Tensile strength of 70 - 90 MPa at 20 °C

at 4% strain

Thermal

Coefficient of thermal expansion

α

2E-5 - 3E-5 1/K at 20 °C

Flammability

UL 94 V1-V0

Max service temperature, long

Tmaxlong

170 °C

Max service temperature, short

210 °C

Thermal conductivity

λ

0.6 - 0.8 W/(m·K) at 20 °C

Electrical

Dielectric constant

εr

3.5 - 6.5 [-] at 20 °C

Electrical resistivity

ρel

1.00E+11 - 1.00E+12 Ω·m at 20 °C

Optical

Transparency

no

Technological properties

Application areas

Spark plug connectors, contact strips, contact bridges

Fillers

30% Glass Fiber and 20% Mineral Powder

Processing methods

Injection molding, compression molding

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.