LEXAN™ Resin IR2240

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Description

Mid-flow polycarbonate resin with mold release. FDA food contact compliant. Available in limited transparent tints, limited package types, and must meet minimum order quantity requirements.

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

0.15 %

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ISO 62 | 23°C, 50% RH

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

2.41 GPa

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ASTM D 638 | 5 mm/min

Elongation

23.0 °C

130 %

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ASTM D 638 | Type I, 50 mm/min

Elongation at yield

23.0 °C

7 %

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ASTM D 638 | Type I, 50 mm/min

Flexural modulus

23.0 °C

2.3 GPa

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ISO 178 | 2 mm/min

Flexural yield strength

23.0 °C

90 MPa

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ISO 178 | 2 mm/min

Impact strength, Izod notched

-30.0 °C

10 kJ/m²

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ISO 180/1A

23.0 °C

12 kJ/m²

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ISO 180/1A

Impact strength, Izod notched, ASTM

23.0 °C

800 J/m

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ASTM D 256

Impact strength, Izod unnotched, ASTM

23.0 °C

3204 J/m

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ASTM D 4812

Tensile strength

23.0 °C

68 MPa

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ASTM D 638 | Type I, 50 mm/min

Yield strength

23.0 °C

63 MPa

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ASTM D 638 | Type I, 50 mm/min

Impact strength, Charpy unnotched

No break @ 23°C | ISO 179/2C

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

6.84E-5 1/K

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ASTM E 831 | -40°C to 40°C

Coefficient of thermal expansion, transverse

23.0 °C

6.65E-5 1/K

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ASTM E 831 | -40°C to 40°C

Heat deflection temperature, 1.80 MPa

132 °C

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ASTM D 648 | 1.82 MPa, 6.4 mm, unannealed

Vicat softening temperature

154 °C

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ASTM D 1525 | Rate B/50

Rheological Properties

PropertyTemperatureValueComment

Melt mass-flow rate

10.5 g/10min

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ASTM D 1238 | 300°C/1.2 kg

Melt volume-flow rate

9 cm³/10min

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ISO 1133 | 300°C/1.2 kg

Shrinkage

23.0 °C

0.5 - 0.7 %

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SABIC method | 3.2 mm

Technological properties

Property
Application areas

Additive Semiconductor Materials,Building/Construction Sheet,Vacuum Cleaner

Processing methods

Drying Temperature: 120°C, Drying Time: 3-4hrs, Drying Time (Cumulative): 48hrs, Maximum Moisture Content: 0.02%, Melt Temperature: 295-315°C, Nozzle Temperature: 290-310°C, Front - Zone 3 Temperature: 295-315°C, Middle - Zone 2 Temperature: 280-305°C, Rear - Zone 1 Temperature: 270-295°C, Mold Temperature: 70-95°C, Back Pressure: 0.3-0.7MPa, Screw Speed: 40-70rpm, Shot to Cylinder Size: 40-60%, Vent Depth: 0.025-0.076mm