MatWeb, The Online Materials Database

SABIC Innovative Plastics LEXAN ML6622 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	1.2 g/cc	0.0434 lb/in³	ASTM D 792
Water Absorption	0.15 %	0.15 %	24 hours @ 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	3 g/10 min	3 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 Yield	7 %	7 %	Type I, 2.0 in/min; ASTM D 638
Flexural Modulus	2.34 GPa	340 ksi	0.05 in/min, 2" span; ASTM D 790
Flexural Yield Strength	93.1 MPa	13500 psi	0.05 in/min, 2" span; ASTM D 790
Izod Impact, Unnotched	32 J/cm	60 ft-lb/in	73F; ASTM D 4812
Izod Impact, Notched	9.08 J/cm	17 ft-lb/in	73F; ASTM D 256
Electrical Properties
Comparative Tracking Index	250 - 400 V	250 - 400 V	(+/- 0.125 inch); PLC Code 2; UL 746A
Hot Wire Ignition, HWI	7 - 15 sec	7 - 15 sec	(+/- 0.125 inch); PLC Code 4; 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
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
UL RTI, Electrical	130 °C	266 °F	UL 746B
UL RTI, Mechanical with Impact	130 °C	266 °F	UL 746B
UL RTI, Mechanical without Impact	130 °C	266 °F	UL 746B
Flammability, UL94	HB	HB	0.029 in.
Descriptive Properties
UL File Number, USA	E121562
UV-light, water exposure/immersion	F1	UL746C