Unsaturated polyester Reinforced with 15% Glass Fibres and 60% Mineral Powder (UP+GF15+MD60), Type 804

Alternative and trade names
Bakelite®, Melopas®
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Description

Polyester moulding compound, inorganically filled, glass fiber reinforced, styrene free, high dimensional stability and good mechanical properties.

Properties

General

Density ρ

1.98 - 2.28 g/cm³ at 20 °C

Mechanical

Elastic modulus E

11 - 13 GPa at 20 °C

Elongation A

0.6 - 1.2 % at 20 °C

Impact strength, Charpy notched Ivnot

2.4 - 7 kJ/m² at 20 °C

Impact strength, Charpy unnotched Iunnot

5 - 13 kJ/m² at 20 °C

Max allowed stress σmax

45 - 65 MPa at 20 °C

at 0.6-1.2% strain

Thermal

Coefficient of thermal expansion α

1.5E-5 - 4E-5 1/K at 20 °C

Flammability

UL 94 V1-V0

Max service temperature, long Tmaxlong

170 °C

Max service temperature, short Tmaxshort

210 °C

Specific heat capacity cp

1200 J/(kg·K) at 20 °C

Thermal conductivity λ

0.6 - 0.8 W/(m·K) at 20 °C

Electrical

Dielectric constant εr

3 - 7 [-] at 20 °C

Electrical resistivity ρel

1.00E+1 - 1.00E+12 Ω·m at 20 °C

Optical

Transparency

no

Technological properties

Application areas

explosion proof switches, safety switch housings, oven knobs, lamp parts

Fillers

15% Glass Fiber and 60% Mineral Powder

Processing methods

Injection molding, transfer 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.