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SABIC Innovative Plastics LEXAN 191 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	1.19 g/cc	0.043 lb/in³	ASTM D 792
Water Absorption	0.19 %	0.19 %	24 hours @ 73F; ASTM D 570
Water Absorption at Saturation	0.37 %	0.37 %	Equilibrium, 73F; ASTM D 570
Water Absorption at Saturation	0.54 %	0.54 %	Equilibrium, 212F; ASTM D 570
Linear Mold Shrinkage	0.005 - 0.007 cm/cm	0.005 - 0.007 in/in	Flow, 0.125 inch; ASTM D 955
Melt Flow	8.5 g/10 min	8.5 g/10 min	300C/1.2 kgf (O); ASTM D 1238
Mechanical Properties
Hardness, Rockwell M	68	68	ASTM D 785
Hardness, Rockwell R	118	118	ASTM D 785
Tensile Strength @ Break	63.4 MPa	9200 psi	Type I, 2.0 in/min; ASTM D 638
Tensile Strength @ Yield	58.6 MPa	8500 psi	Type I, 2.0 in/min; ASTM D 638
Elongation at Break	115 %	115 %	Type I, 2.0 in/min; ASTM D 638
Elongation at Yield	7 %	7 %	Type I, 2.0 in/min; ASTM D 638
Flexural Modulus	2.14 GPa	310 ksi	0.05 in/min, 2" span; ASTM D 790
Flexural Yield Strength	81.4 MPa	11800 psi	0.05 in/min, 2" span; ASTM D 790
Fatigue Strength	6.89 MPa	1000 psi	Fatigue Limit, 2.5 MM cycles; ASTM D 671
Izod Impact, Unnotched	32 J/cm	60 ft-lb/in	73F; ASTM D 4812
Tensile Impact Strength	420 kJ/m²	200 ft-lb/in²	Type "S"; ASTM D 1822
Falling Dart Impact	169 J	125 ft-lb	73F; ASTM D 3029
Taber Abrasion, mg/1000 Cycles	20	20	CS-17, 1 kg; ASTM D 1044
Izod Impact, Notched	7.47 J/cm	14 ft-lb/in	73F; ASTM D 256
Electrical Properties
Volume Resistivity	2.5e+017 ohm-cm	2.5e+017 ohm-cm	ASTM D 257
Dielectric Constant	3	3	1 MHz; ASTM D 150
Dielectric Strength	16.3 kV/mm	415 V/mil	in air, 125 mils; ASTM D 149
Dissipation Factor	0.0009	0.0009	60 Hz; ASTM D 150
Dissipation Factor	0.01	0.01	1 MHz; ASTM D 150
Arc Resistance	120 - 180 sec	120 - 180 sec	Tungsten (+/- 0.125 inch); PLC Code 5; ASTM D 495
Comparative Tracking Index	175 - 250 V	175 - 250 V	(+/- 0.125 inch); PLC Code 3; UL 746A
Hot Wire Ignition, HWI	30 - 60 sec	30 - 60 sec	(+/- 0.125 inch); PLC Code 2; 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	25.4 - 80 mm/min	1 - 3.15 in/min	(+/- 0.125 inch); PLC Code 2; UL 746A
Thermal Properties
CTE, linear 68°F	64.8 µm/m-°C	36 µin/in-°F	Flow, -40F to 200F; ASTM E 831
Deflection Temperature at 0.46 MPa (66 psi)	138 °C	280 °F	0.250 inch, unannealed; ASTM D 648
Deflection Temperature at 1.8 MPa (264 psi)	127 °C	260 °F	0.250 inch, unannealed; ASTM D 648
UL RTI, Electrical	100 °C	212 °F	UL 746B
UL RTI, Mechanical with Impact	100 °C	212 °F	UL 746B
UL RTI, Mechanical without Impact	100 °C	212 °F	UL 746B
Flammability, UL94	HB	HB	0.058 in.
Descriptive Properties
UL File Number, USA	E121562