MatWeb, The Online Materials Database

SABIC Innovative Plastics LEXAN® HW1240 Polycarbonate, Unfilled, Injection Grade

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:
Data for 3.2 mm (1/8 in) samples unless otherwise noted. Data provided by GE Plastics.

Physical Properties	Metric	English	Comments
Density	1.2 g/cc	0.0434 lb/in³	ASTM D792
Linear Mold Shrinkage	0.005 - 0.007 cm/cm	0.005 - 0.007 in/in	3.2 mm sample
Melt Flow	16 g/10 min	16 g/10 min	300°C/1.2kg; ASTM D1238
Mechanical Properties
Tensile Strength, Ultimate	62 MPa	8990 psi	ASTM D638
Elongation at Break	90 %	90 %	ASTM D638
Flexural Modulus	2.2 GPa	319 ksi	3.2 mm sample; ASTM D790
Flexural Yield Strength	88 MPa	12800 psi	ASTM D790
Izod Impact, Notched	4.3 J/cm	8.06 ft-lb/in	3.2 mm sample; ASTM D256
Thermal Properties
Deflection Temperature at 1.8 MPa (264 psi)	112 °C	234 °F	6.4 mm (0.25 in.) sample; ASTM D648
UL RTI, Electrical	95 °C	203 °F	UL 746B
UL RTI, Mechanical with Impact	95 °C	203 °F	UL 746B
UL RTI, Mechanical without Impact	95 °C	203 °F	UL 746B
Flammability, UL94	HB	HB	1.6 mm
Processing Properties
Processing Temperature	287 - 310 °C	549 - 590 °F	Suggested injection molding melt temperature
Mold Temperature	71 - 93 °C	160 - 199 °F
Drying Temperature	121 °C	250 °F
Dry Time	3 - 4 hour	3 - 4 hour	48 hr Max