SABIC Innovative Plastics LEXAN 191 Polycarbonate (North America)

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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	Original Value		Comments
Density	1.19 g/cc		ASTM D 792
Water Absorption	0.19 %		24 hours @ 73F; ASTM D 570
Water Absorption at Saturation	0.37 %		Equilibrium, 73F; ASTM D 570
Water Absorption at Saturation	0.54 %		Equilibrium, 212F; ASTM D 570
Linear Mold Shrinkage	0.005 - 0.007 cm/cm		Flow, 0.125 inch; ASTM D 955
Melt Flow	8.5 g/10 min		300C/1.2 kgf (O); ASTM D 1238
Mechanical Properties
Hardness, Rockwell M	68		ASTM D 785
Hardness, Rockwell R	118		ASTM D 785
Tensile Strength @ Break	9200 psi		Type I, 2.0 in/min; ASTM D 638
Tensile Strength @ Yield	8500 psi		Type I, 2.0 in/min; ASTM D 638
Elongation at Break	115 %		Type I, 2.0 in/min; ASTM D 638
Elongation at Yield	7 %		Type I, 2.0 in/min; ASTM D 638
Flexural Modulus	310000 psi		0.05 in/min, 2" span; ASTM D 790
Flexural Yield Strength	11800 psi		0.05 in/min, 2" span; ASTM D 790
Fatigue Strength	1000 psi		Fatigue Limit, 2.5 MM cycles; ASTM D 671
Izod Impact, Unnotched	60 ft-lb/in		73F; ASTM D 4812
Tensile Impact Strength	200 ft-lb/in²		Type "S"; ASTM D 1822
Falling Dart Impact	125 ft-lb		73F; ASTM D 3029
Taber Abrasion, mg/1000 Cycles	20		CS-17, 1 kg; ASTM D 1044
Izod Impact, Notched	14 ft-lb/in		73F; ASTM D 256
Electrical Properties
Volume Resistivity	2.5e+017 ohm-cm		ASTM D 257
Dielectric Constant	3		1 MHz; ASTM D 150
Dielectric Strength	415 V/mil		in air, 125 mils; ASTM D 149
Dissipation Factor	0.0009		60 Hz; ASTM D 150
Dissipation Factor	0.01		1 MHz; ASTM D 150
Arc Resistance	120 - 180 sec		Tungsten (+/- 0.125 inch); PLC Code 5; ASTM D 495
Comparative Tracking Index	175 - 250 V		(+/- 0.125 inch); PLC Code 3; UL 746A
Hot Wire Ignition, HWI	30 - 60 sec		(+/- 0.125 inch); PLC Code 2; UL 746A
High Amp Arc Ignition, HAI	60 - 120 arcs		Surface (+/- 0.125 inch); PLC Code 1; UL 746A
High Voltage Arc-Tracking Rate, HVTR	25.4 - 80 mm/min		(+/- 0.125 inch); PLC Code 2; UL 746A
Thermal Properties
CTE, linear 68°F	36 µin/in-°F		Flow, -40F to 200F; ASTM E 831
Deflection Temperature at 0.46 MPa (66 psi)	280 °F		0.250 inch, unannealed; ASTM D 648
Deflection Temperature at 1.8 MPa (264 psi)	260 °F		0.250 inch, unannealed; ASTM D 648
UL RTI, Electrical	100 °C		UL 746B
UL RTI, Mechanical with Impact	100 °C		UL 746B
UL RTI, Mechanical without Impact	100 °C		UL 746B
Flammability, UL94	HB		0.058 in.
Descriptive Properties
UL File Number, USA	E121562
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