VALOX™ Resin EH7020HF

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Description

VALOX EH7020HF is a mineral filled PBT/PET that offers good surface appearance, high flow and good heat performance. EH7020HF was developed for automotive bezel application that requires basecoat + top coat metalization. EH7020HF is higher flow version of EH7020.

This material data has been provided by Matmatch.

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

1.49 g/cm³

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ASTM D 792

Water absorption

23.0 °C

0.42 %

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ISO 62 | 23°C, 50% RH

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

5.88 GPa

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ASTM D 638 | 5 mm/min

Elongation

23.0 °C

2 %

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ASTM D 638 | Type I, 5 mm/min

Elongation at yield

23.0 °C

2 %

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ASTM D 638 | Type I, 5 mm/min

Flexural modulus

23.0 °C

4.71 GPa

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ISO 178 | 2 mm/min

Flexural yield strength

23.0 °C

96 MPa

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ISO 178 | 2 mm/min

Impact strength, Charpy notched

23.0 °C

2 kJ/m²

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ISO 179/1eA

Impact strength, Izod notched

-30.0 °C

2 kJ/m²

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ISO 180/1A

23.0 °C

2 kJ/m²

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ISO 180/1A

Impact strength, Izod notched, ASTM

-30.0 °C

31 J/m

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ASTM D 256

23.0 °C

30 J/m

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ASTM D 256

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Tensile strength

23.0 °C

56 MPa

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ASTM D 638 | Type I, 5 mm/min

Yield strength

23.0 °C

55 MPa

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ASTM D 638 | Type I, 5 mm/min

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

5.29E-5 1/K

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ASTM E 831 | -40°C to 40°C

Coefficient of thermal expansion, transverse

23.0 °C

6.2E-5 1/K

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ASTM E 831 | -40°C to 40°C

Heat deflection temperature, 0.45 MPa

200 °C

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ASTM D 648 | 0.45 MPa, 6.4 mm, unannealed

Vicat softening temperature

180 °C

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ASTM D 1525 | Rate B/50

Rheological Properties

PropertyTemperatureValueComment

Melt mass-flow rate

36 g/10min

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ASTM D 1238

Melt volume-flow rate

52 cm³/10min

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ISO 1133 | 265°C/2.16 kg

Shrinkage

23.0 °C

1.04 - 1.06 %

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SABIC method | 3.2 mm

Shrinkage, transverse

23.0 °C

1.15 - 1.18 %

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SABIC method

Technological properties

Property
Application areas

Enclosure/Housing/Cover,Food Processor,Forward Lighting,Motorcycle,Non-LED Lighting,Personal Care,Rear/Signal Lighting,Scooter/Moped

Fillers

Mineral Powder

Processing methods

Drying Temperature: 120°C, Drying Time: 3-4hrs, Drying Time (Cumulative): 12hrs, Maximum Moisture Content: 0.02%, Melt Temperature: 250-265°C, Nozzle Temperature: 245-260°C, Front - Zone 3 Temperature: 250-265°C, Middle - Zone 2 Temperature: 245-260°C, Rear - Zone 1 Temperature: 240-255°C, Mold Temperature: 65-90°C, Back Pressure: 0.3-0.7MPa, Screw Speed: 50-80rpm, Shot to Cylinder Size: 40-80%, Vent Depth: 0.025-0.038mm