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SABIC Innovative Plastics LEXAN 503 Polycarbonate (North America)

Subcategory: Polycarbonate; Polymer; Thermoplastic

Close Analogs: Saudi Basic Industries Corporation (SABIC) announced on August 31st, 2007, the completion of its purchase of GE Plastics.

Material Notes:
Information provided by GE Plastics for their North American product line.

Physical Properties	Metric	English	Comments
Density	1.25 g/cc	0.0452 lb/in³	ASTM D 792
Water Absorption	0.12 %	0.12 %	24 hours @ 73F; ASTM D 570
Water Absorption at Saturation	0.31 %	0.31 %	Equilibrium, 73F; ASTM D 570
Linear Mold Shrinkage	0.002 - 0.004 cm/cm	0.002 - 0.004 in/in	Flow, 0.125 inch; ASTM D 955
Mechanical Properties
Hardness, Rockwell M	85	85	ASTM D 785
Hardness, Rockwell R	124	124	ASTM D 785
Tensile Strength @ Break	55.2 MPa	8000 psi	Type I, 0.2 in/min; ASTM D 638
Tensile Strength @ Yield	66.2 MPa	9600 psi	Type I, 0.2 in/min; ASTM D 638
Elongation at Break	15 %	15 %	Type I, 0.2 in/min; ASTM D 638
Elongation at Yield	8 %	8 %	Type I, 0.2 in/min; ASTM D 638
Flexural Modulus	3.45 GPa	500 ksi	0.05 in/min, 2" span; ASTM D 790
Flexural Yield Strength	103 MPa	15000 psi	0.05 in/min, 2" span; ASTM D 790
Fatigue Strength	13.8 MPa	2000 psi	Fatigue Limit, 2.5 MM cycles; ASTM D 671
Izod Impact, Unnotched	21.4 J/cm	40 ft-lb/in	73F; ASTM D 4812
Tensile Impact Strength	158 kJ/m²	75 ft-lb/in²	Type "S"; ASTM D 1822
Falling Dart Impact	102 J	75 ft-lb	73F; ASTM D 3029
Taber Abrasion, mg/1000 Cycles	11	11	CS-17, 1 kg; ASTM D 1044
Izod Impact, Notched	1.07 J/cm	2 ft-lb/in	73F; ASTM D 256
Electrical Properties
Volume Resistivity	Min 1e+017 ohm-cm	Min 1e+017 ohm-cm	ASTM D 257
Dielectric Constant	3.05	3.05	1 MHz; ASTM D 150
Dielectric Constant	3.1	3.1	60 Hz; ASTM D 150
Dielectric Strength	17.7 kV/mm	450 V/mil	in air, 125 mils; ASTM D 149
Dissipation Factor	0.0008	0.0008	60 Hz; ASTM D 150
Dissipation Factor	0.0075	0.0075	1 MHz; ASTM D 150
Arc Resistance	Max 60 sec	Max 60 sec	Tungsten (+/- 0.125 inch); PLC Code 7; ASTM D 495
Comparative Tracking Index	100 - 175 V	100 - 175 V	(+/- 0.125 inch); PLC Code 4; UL 746A
Hot Wire Ignition, HWI	60 - 120 sec	60 - 120 sec	(+/- 0.125 inch); PLC Code 1; UL 746A
High Amp Arc Ignition, HAI	60 - 120 arcs	60 - 120 arcs	Surface (+/- 0.125 inch); PLC Code 1; UL 746A
High Voltage Arc-Tracking Rate, HVTR	80 - 150 mm/min	3.15 - 5.91 in/min	(+/- 0.125 inch); PLC Code 3; UL 746A
Thermal Properties
CTE, linear 68°F	32.4 µm/m-°C	18 µin/in-°F	Flow, -40F to 200F; ASTM E 831
Specific Heat Capacity	1.21 J/g-°C	0.29 BTU/lb-°F	ASTM C 351
Thermal Conductivity	0.2 W/m-K	1.39 BTU-in/hr-ft²-°F	ASTM C 177
Deflection Temperature at 0.46 MPa (66 psi)	146 °C	295 °F	0.250 inch, unannealed; ASTM D 648
Deflection Temperature at 1.8 MPa (264 psi)	142 °C	288 °F	0.250 inch, unannealed; ASTM D 648
Vicat Softening Point	154 °C	310 °F	Rate B; ASTM D 1525
UL RTI, Electrical	120 °C	248 °F	UL 746B
UL RTI, Mechanical with Impact	110 °C	230 °F	UL 746B
UL RTI, Mechanical without Impact	125 °C	257 °F	UL 746B
Flammability, UL94	V-0	V-0	0.028 in.
Flammability, UL94	7	7	0.118 in.
Oxygen Index	36 %	36 %	ASTM D 2863
Descriptive Properties
UL File Number, USA	E121562
UV-light, water exposure/immersion	F1	UL746C