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SABIC Innovative Plastics LEXAN 940ASR 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	1.21 g/cc	0.0437 lb/in³	ASTM D 792
Water Absorption	0.15 %	0.15 %	24 hours @ 73F; ASTM D 570
Water Absorption at Saturation	0.35 %	0.35 %	Equilibrium, 73F; 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	10 g/10 min	10 g/10 min	300C/1.2 kgf (O); ASTM D 1238
Mechanical Properties
Hardness, Rockwell R	118	118	ASTM D 785
Tensile Strength @ Yield	62.1 MPa	9000 psi	Type I, 2.0 in/min; ASTM D 638
Elongation at Break	90 %	90 %	Type I, 2.0 in/min; ASTM D 638
Flexural Modulus	2.24 GPa	325 ksi	0.05 in/min, 2" span; ASTM D 790
Flexural Yield Strength	91 MPa	13200 psi	0.05 in/min, 2" span; ASTM D 790
Izod Impact, Notched	6.41 J/cm	12 ft-lb/in	73F; ASTM D 256
Electrical Properties
Arc Resistance	Max 60 sec	Max 60 sec	Tungsten (+/- 0.125 inch); PLC Code 7; ASTM D 495
Comparative Tracking Index	250 - 400 V	250 - 400 V	(+/- 0.125 inch); PLC Code 2; 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	15 - 30 arcs	15 - 30 arcs	Surface (+/- 0.125 inch); PLC Code 3; 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
Thermal Conductivity	0.19 W/m-K	1.32 BTU-in/hr-ft²-°F	ASTM C 177
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)	132 °C	270 °F	0.250 inch, unannealed; ASTM D 648
Vicat Softening Point	152 °C	305 °F	Rate B; ASTM D 1525
UL RTI, Electrical	130 °C	266 °F	UL 746B
UL RTI, Mechanical with Impact	120 °C	248 °F	UL 746B
UL RTI, Mechanical without Impact	130 °C	266 °F	UL 746B
Flammability, UL94	V-2	V-2	0.058 in.
Flammability, UL94	V-0	V-0	0.118 in.
Descriptive Properties
Radiant Panel Listing	UL tested
UL File Number, USA	E121562