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SABIC Innovative Plastics LEXAN 303 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	Original Value		Comments
Density	1.2 g/cc		ASTM D 792
Water Absorption	0.15 %		24 hours @ 73F; ASTM D 570
Water Absorption at Saturation	0.35 %		Equilibrium, 73F; ASTM D 570
Water Absorption at Saturation	0.58 %		Equilibrium, 212F; ASTM D 570
Viscosity	800000 cP		Melt Viscosity; GE Test
Linear Mold Shrinkage	0.005 - 0.007 cm/cm		Flow, 0.125 inch; ASTM D 955
Melt Flow	5.5 g/10 min		300C/1.2 kgf (O); ASTM D 1238
Mechanical Properties
Hardness, Rockwell M	70		ASTM D 785
Hardness, Rockwell R	118		ASTM D 785
Tensile Strength @ Break	9500 psi		Type I, 2.0 in/min; ASTM D 638
Tensile Strength @ Yield	7500 psi		Type I, 2.0 in/min; ASTM D 638
Elongation at Break	300 %		Type I, 2.0 in/min; ASTM D 638
Elongation at Yield	7 %		Type I, 2.0 in/min; ASTM D 638
Flexural Modulus	340000 psi		0.05 in/min, 2" span; ASTM D 790
Flexural Yield Strength	12000 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	260 ft-lb/in²		Type "S"; ASTM D 1822
Falling Dart Impact	125 ft-lb		73F; ASTM D 3029
Taber Abrasion, mg/1000 Cycles	10		CS-17, 1 kg; ASTM D 1044
Izod Impact, Notched	17 ft-lb/in		73F; ASTM D 256
Electrical Properties
Volume Resistivity	Min 1e+017 ohm-cm		ASTM D 257
Dielectric Constant	3.1		1 MHz; ASTM D 150
Dielectric Constant	3.17		60 Hz; ASTM D 150
Dielectric Constant	3.3		100 Hz; ASTM D 150
Dielectric Strength	400 V/mil		in air, 125 mils; ASTM D 149
Dielectric Strength	590 V/mil		in oil, 62 mils; ASTM D 149
Dissipation Factor	0.0009		60 Hz; ASTM D 150
Dissipation Factor	0.002		100 Hz; ASTM D 150
Dissipation Factor	0.02		1 MHz; ASTM D 150
Arc Resistance	Max 60 sec		Tungsten (+/- 0.125 inch); PLC Code 7; ASTM D 495
Comparative Tracking Index	250 - 400 V		(+/- 0.125 inch); PLC Code 2; UL 746A
Hot Wire Ignition, HWI	30 - 60 sec		(+/- 0.125 inch); PLC Code 2; UL 746A
High Amp Arc Ignition, HAI	Max 15 arcs		Surface (+/- 0.125 inch); PLC Code 4; UL 746A
High Voltage Arc-Tracking Rate, HVTR	10 - 25.4 mm/min		(+/- 0.125 inch); PLC Code 1; UL 746A
Thermal Properties
CTE, linear 68°F	38 µin/in-°F		Flow, -40F to 200F; ASTM E 831
CTE, linear 68°F	45 µin/in-°F		Flow, -40F to 100F; ASTM E 831
CTE, linear, 212°F (100°C)	77 µin/in-°F		Flow, 140F to 280F; ASTM E 831
Specific Heat Capacity	0.3 BTU/lb-°F		ASTM C 351
Thermal Conductivity	0.19 W/m-K		ASTM C 177
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)	270 °F		0.250 inch, unannealed; ASTM D 648
Vicat Softening Point	310 °F		Rate B; ASTM D 1525
UL RTI, Electrical	115 °C		UL 746B
UL RTI, Mechanical with Impact	115 °C		UL 746B
UL RTI, Mechanical without Impact	115 °C		UL 746B
Flammability, UL94	V-2		0.058 in.
Optical Properties
Refractive Index	1.586		ASTM D 542
Haze	1 %		0.100 inch; ASTM D 1003
Transmission, Visible	88 %		0.100 inch; ASTM D 1003
Descriptive Properties
UL File Number, USA	E121562
UV-light, water exposure/immersion	F2	UL746C