LEXAN™ FR Resins 953A

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Description

LEXAN 953A Polycarbonate (PC) resin is a non-filled, injection moldable grade. This brominated flame retardant PC has a V0 UL rating and is UV stabilized, providing additional weathering capability. LEXAN 953A resin is available in limited transparent and tinted color options and is a general-purpose resin that is an excellent candidate for a wide variety of applications. As a non-chlorinated, non-brominated flame retardant solution, LEXAN 955AU resin could be considered an alternative.

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.

Ashby charts

Properties

General

PropertyTemperatureValueComment

Density

23.0 °C

1.22 g/cm³

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ASTM D 792

Water absorption

23.0 °C

0.15 %

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ASTM D 570 | 24 Hours

Water absorption, equilibrium

100.0 °C

0.58 %

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ASTM D 570 | ASTM D 570

Mechanical

PropertyTemperatureValueComment

Elongation

23.0 °C

90 %

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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

2.24 GPa

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

Flexural yield strength

23.0 °C

91 MPa

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

Hardness, Rockwell M

23.0 °C

70 [-]

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ASTM D 785

Hardness, Rockwell R

23.0 °C

118 [-]

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ASTM D 785

Impact strength, Izod notched, ASTM

23.0 °C

640 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

55 MPa

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ASTM D 638 | Type I, 50 mm/min

Yield strength

23.0 °C

62 MPa

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ASTM D 638 | Type I, 50 mm/min

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

6.84E-5 1/K

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ASTM E 831 | -40°C to 95°C

Heat deflection temperature, 1.80 MPa

132 °C

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ASTM D 648 | 1.82 MPa, 6.4 mm, unannealed

Relative temperature index, electrical

130 °C

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UL 746B

Relative temperature index, mechanical impact

120 °C

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UL 746B

Relative temperature index, mechanical strength

130 °C

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UL 746B

Thermal conductivity

23.0 °C

0.19 W/(m·K)

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ASTM C177

Vicat softening temperature

151 °C

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ASTM D 1525 | Rate B/50

Flammability

UL Recognized, 94V-0 Flame Class Rating | 3.0mm | UL 94

Electrical

PropertyTemperatureValueComment

Comparative tracking index

23.0 °C

3 V

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UL 746A

Dielectric constant

23.0 °C

2.96 [-]

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ASTM D 150 | at 1 MHz

Dielectric strength

23.0 °C

16.7 kV/mm

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ASTM D 149 | in air, 3.2 mm

Dissipation factor

23.0 °C

0.01 [-]

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ASTM D 150 | at 1 MHz

Optical

PropertyValueComment

Haze

1 %

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ASTM D 1003 | 2.54 mm

Refractive index

1.59 [-]

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ASTM D542

Transmission

85 %

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ASTM D 1003 | 2.54 mm

Rheological Properties

PropertyTemperatureValueComment

Melt mass-flow rate

7 g/10min

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ASTM D 1238 | 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

Aerospace,Air Cabin Interiors,ATM/Ticket Machine,Electronic Components,Enclosure/Housing/Cover,Enclosures,Freezer,Heavy Vehicles,LED Lighting,Non-LED Lighting,Power Manangement,Renal and Blood Handling,Small Appliance,Wireless Communications

Processing methods

Drying Temperature: 120°C, Drying Time: 3-4hrs, Drying Time (Cumulative): 48hrs, Maximum Moisture Content: 0.02%, Melt Temperature: 310-330°C, Nozzle Temperature: 305-325°C, Front - Zone 3 Temperature: 310-330°C, Middle - Zone 2 Temperature: 300-320°C, Rear - Zone 1 Temperature: 290-310°C, Mold Temperature: 80-115°C, Back Pressure: 0.3-0.7MPa, Screw Speed: 40-70rpm, Shot to Cylinder Size: 40-60%, Vent Depth: 0.025-0.076mm