LEXAN™ Resin OQ4005

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Description

High Viscosity, UV-stabilized PC for ophthalmic lenses.

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

1.2 g/cm³

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ASTM D 792

Water absorption

23.0 °C

0.14 %

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ISO 62

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

2.3 GPa

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ASTM D 638 | 50 mm/min

Elongation

23.0 °C

78 %

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ASTM D 638 | Type I, 50 mm/min

Elongation at yield

23.0 °C

6 %

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ASTM D 638 | Type I, 50 mm/min

Flexural modulus

23.0 °C

2.31 GPa

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ASTM D 790 | 1.3 mm/min, 50 mm span

Flexural yield strength

23.0 °C

97 MPa

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ISO 178 | 2 mm/min

Impact strength, Izod notched, ASTM

-30.0 °C

128 J/m

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ASTM D 256

23.0 °C

910 J/m

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ASTM D 256

Tensile strength

23.0 °C

60 MPa

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ASTM D 638 | Type I, 50 mm/min

Yield strength

23.0 °C

64 MPa

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ASTM D 638 | Type I, 50 mm/min

Impact strength, Izod unnotched, ASTM

No break @ 23,-30°C | ASTM D 4812

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

6.06E-5 1/K

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ISO 11359-2 | -40°C to 40°C

Coefficient of thermal expansion, transverse

23.0 °C

6.16E-5 1/K

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ISO 11359-2 | -40°C to 40°C

Heat deflection temperature, 1.80 MPa

129 °C

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ASTM D 648 | 1.82 MPa, 6.4 mm, unannealed

Vicat softening temperature

145 °C

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ASTM D 1525 | Rate B/50

Electrical

PropertyTemperatureValueComment

Dielectric constant

23.0 °C

2.8 [-]

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SABIC method | at 1.1 GHz

Dissipation factor

23.0 °C

6.3E-3 [-]

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SABIC method | at 1.1 GHz

Optical

PropertyValueComment

Haze

0.4 %

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ASTM D 1003 | 2.54 mm

Transmission

87 %

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ASTM D 1003 | 2.54 mm

Rheological Properties

PropertyTemperatureValueComment

Melt volume-flow rate

8 cm³/10min

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ISO 1133 | 300°C/1.2 kg

Shrinkage

23.0 °C

0.77 %

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SABIC method

Shrinkage, transverse

23.0 °C

0.77 %

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SABIC method

Technological properties

Property
Application areas

Sunglasses

Processing methods

Drying Temperature: 120°C, Drying Time: 2-4hrs, Maximum Moisture Content: 0.02%, Melt Temperature: 280-310°C, Nozzle Temperature: 270-290°C, Front - Zone 3 Temperature: 280-310°C, Middle - Zone 2 Temperature: 270-290°C, Rear - Zone 1 Temperature: 260-280°C, Hopper Temperature: 60-80°C, Mold Temperature: 80-110°C