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SABIC Innovative Plastics LEXAN SP1252 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	1.27 g/cc	0.0459 lb/in³	ASTM D 792
Water Absorption	0.11 %	0.11 %	24 hours @ 73F; ASTM D 570
Linear Mold Shrinkage	0.0025 - 0.0045 cm/cm	0.0025 - 0.0045 in/in	Flow, 0.125 inch; ASTM D 955
Mechanical Properties
Hardness, Rockwell R	124	124	ASTM D 785
Tensile Strength @ Break	62.1 MPa	9000 psi	Type I, 0.2 in/min; ASTM D 638
Elongation at Yield	12 %	12 %	Type I, 0.2 in/min; ASTM D 638
Tensile Modulus	2.93 GPa	425 ksi	0.2 in/min; ASTM D 638
Flexural Modulus	3.1 GPa	450 ksi	0.05 in/min, 2" span; ASTM D 790
Flexural Yield Strength	96.5 MPa	14000 psi	0.05 in/min, 2" span; ASTM D 790
Gardner Impact @ 23°C	33.9 J	25 ft-lb	Instrumented Impact Total Energy, 73°F; ASTM D 3763
Izod Impact, Notched	1.07 J/cm	2 ft-lb/in	73F; ASTM D 256
Electrical Properties
Arc Resistance	60 - 120 sec	60 - 120 sec	Tungsten (+/- 0.125 inch); PLC Code 6; ASTM D 495
Comparative Tracking Index	100 - 175 V	100 - 175 V	(+/- 0.125 inch); PLC Code 4; 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	Min 120 arcs	Min 120 arcs	Surface (+/- 0.125 inch); PLC Code 0; 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
Deflection Temperature at 1.8 MPa (264 psi)	118 °C	245 °F	0.250 inch, unannealed; ASTM D 648
UL RTI, Electrical	80 °C	176 °F	UL 746B
UL RTI, Mechanical with Impact	80 °C	176 °F	UL 746B
UL RTI, Mechanical without Impact	80 °C	176 °F	UL 746B
Flammability, UL94	V-0	V-0	0.058 in.
Descriptive Properties
CSA File No.	LS88480
UL File Number, USA	E121562