SABIC LEXAN™ Copolymer CFR7431 Polycarbonate (PC) (Europe)

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SABIC LEXAN™ Copolymer CFR7431 Polycarbonate (PC) (Europe)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC)
Material Notes:	LEXAN CFR7431 Polycarbonate (PC) resin is a non-filled, injection moldable grade. This non-chlorinated, non-brominated flame retardant PC has an UL-94 V0 rating at 1.2 mm / 5VA rating at 3.0mm and is UV stabilized(F1 rating) providing additional weathering capability. LEXAN CFR7431 is available in clear transparent and tinted color options that is an excellent candidate for a wide variety of applications. Features: Low Smoke and Toxicity Information provided by SABIC
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Physical Properties	Metric	English	Comments

Specific Gravity	1.19 g/cc	1.19 g/cc	ASTM D792
Density	1.20 g/cc	0.0434 lb/in³	ISO 1183
Moisture Absorption	0.0200 %	0.0200 %	Injection Molding
	0.100 %	0.100 %	23°C / 50% RH; ISO 62
Water Absorption at Saturation	0.13 %	0.13 %	ISO 62-1
Viscosity	9.0 cP @Load 1.20 kg, Temperature 300 °C	9.0 cP @Load 2.65 lb, Temperature 572 °F	MVR cc/10 min; ISO 1133
Linear Mold Shrinkage, Flow	0.0055 - 0.0075 cm/cm @Thickness 3.20 mm	0.0055 - 0.0075 in/in @Thickness 0.126 in	SABIC method
Linear Mold Shrinkage, Transverse	0.0060 - 0.0080 cm/cm @Thickness 3.20 mm	0.0060 - 0.0080 in/in @Thickness 0.126 in	SABIC method
Melt Flow	10 g/10 min @Load 1.20 kg, Temperature 300 °C	10 g/10 min @Load 2.65 lb, Temperature 572 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	53.0 MPa	7690 psi	50 mm/min; ISO 527
	55.0 MPa	7980 psi	50 mm/min; ASTM D638
Tensile Strength, Yield	66.0 MPa	9570 psi	50 mm/min; ISO 527
	67.0 MPa	9720 psi	50 mm/min; ASTM D638
Elongation at Break	55 %	55 %	50 mm/min; ASTM D638
	56 %	56 %	50 mm/min; ISO 527
Elongation at Yield	6.0 %	6.0 %	50 mm/min; ASTM D638
	6.0 %	6.0 %	50 mm/min; ISO 527
Tensile Modulus	2.35 GPa	341 ksi	1 mm/min; ISO 527
	2.52 GPa	365 ksi	50 mm/min; ASTM D638
Flexural Strength	101 MPa	14600 psi	yield, 2 mm/min; ISO 178
	107 MPa	15500 psi	yld, 1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	2.45 GPa	355 ksi	1.3 mm/min, 50 mm span; ASTM D790
	2.45 GPa	355 ksi	2 mm/min; ISO 178
Izod Impact Notched	100 J	73.8 ft-lb	ASTM D256
	81.0 J @Temperature -30.0 °C	59.7 ft-lb @Temperature -22.0 °F	ASTM D256
Izod Impact, Unnotched	NB	NB	ASTM D4812
	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F	ASTM D4812
Izod Impact, Notched (ISO)	9.00 kJ/m²	4.28 ft-lb/in²	80103; ISO 180/1A
	8.00 kJ/m² @Temperature -30.0 °C	3.81 ft-lb/in² @Temperature -22.0 °F	80103; ISO 180/1A
Izod Impact, Unnotched (ISO)	NB	NB	80103; ISO 180/1U
	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F	80103; ISO 180/1U
Charpy Impact Unnotched	NB	NB	Edgew 80103 sp=62mm; ISO 179/1eU
	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F	Edgew 80103 sp=62mm; ISO 179/1eU
Charpy Impact, Notched	1.00 J/cm²	4.76 ft-lb/in²	Edgew 80103 sp=62mm; ISO 179/1eA
	0.700 J/cm² @Temperature -30.0 °C	3.33 ft-lb/in² @Temperature -22.0 °F	Edgew 80103 sp=62mm; ISO 179/1eA
Dart Drop, Total Energy	64.0 J	47.2 ft-lb	ASTM D3763

Electrical Properties	Metric	English	Comments
Dielectric Constant	2.79 @Frequency 1.10e+9 Hz	2.79 @Frequency 1.10e+9 Hz	ASTM ES 7-83
Dissipation Factor	0.0057 @Frequency 1.10e+9 Hz	0.0057 @Frequency 1.10e+9 Hz	ASTM ES 7-83
Comparative Tracking Index	175 - 250 V	175 - 250 V	UL 746A
Hot Wire Ignition, HWI	15 - 30 sec @Thickness >=1.20 mm	15 - 30 sec @Thickness >=0.0472 in	UL 746A
	>= 120 sec @Thickness >=3.00 mm	>= 120 sec @Thickness >=0.118 in	UL 746A
High Amp Arc Ignition, HAI	>= 120 arcs @Thickness >=1.20 mm	>= 120 arcs @Thickness >=0.0472 in	UL 746A

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	67.0 µm/m-°C @Temperature -40.0 - 40.0 °C	37.2 µin/in-°F @Temperature -40.0 - 104 °F	ASTM E831
	77.0 µm/m-°C @Temperature 23.0 - 80.0 °C	42.8 µin/in-°F @Temperature 73.4 - 176 °F	ISO 11359-2
CTE, linear, Transverse to Flow	67.0 µm/m-°C @Temperature -40.0 - 40.0 °C	37.2 µin/in-°F @Temperature -40.0 - 104 °F	ASTM E831
	79.0 µm/m-°C @Temperature 23.0 - 80.0 °C	43.9 µin/in-°F @Temperature 73.4 - 176 °F	ISO 11359-2
Hot Ball Pressure Test	125 °C	257 °F	PASS; IEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi)	131 °C	268 °F	Edgew 120104 sp=100mm; ISO 75/Be
	131 °C @Thickness 3.20 mm	268 °F @Thickness 0.126 in	unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	120 °C	248 °F	Edgew 120104 sp=100mm; ISO 75/Ae
	120 °C @Thickness 3.20 mm	248 °F @Thickness 0.126 in	unannealed; ASTM D648
Vicat Softening Point	136 °C	277 °F	Rate B/50; ASTM D1525
	137 °C	279 °F	Rate B/50; ISO 306
	139 °C	282 °F	Rate B/120; ISO 306
UL RTI, Electrical	125 °C	257 °F	UL 746B
UL RTI, Mechanical with Impact	120 °C	248 °F	UL 746B
UL RTI, Mechanical without Impact	125 °C	257 °F	UL 746B
Flammability, UL94	V-2 @Thickness >=0.400 mm	V-2 @Thickness >=0.0157 in	UL 94
	V-1 @Thickness >=1.00 mm	V-1 @Thickness >=0.0394 in	UL 94
	V-0 @Thickness >=1.20 mm	V-0 @Thickness >=0.0472 in	UL 94
	5VA @Thickness >=3.00 mm	5VA @Thickness >=0.118 in	UL 94
Glow Wire Ignition Temperature	850 °C @Thickness 1.20 mm	1560 °F @Thickness 0.0472 in	IEC 60695-2-13
	850 °C @Thickness 3.00 mm	1560 °F @Thickness 0.118 in	IEC 60695-2-13
Glow Wire Flammability Index	960 °C @Thickness 1.20 mm	1760 °F @Thickness 0.0472 in	IEC 60695-2-12
	960 °C @Thickness 3.00 mm	1760 °F @Thickness 0.118 in	IEC 60695-2-12

Optical Properties	Metric	English	Comments
Transmission, Visible	>= 88 % @Thickness 3.00 mm	>= 88 % @Thickness 0.118 in	SABIC method
	>= 89 % @Thickness 2.00 mm	>= 89 % @Thickness 0.0787 in	SABIC method
	>= 90 % @Thickness 1.00 mm	>= 90 % @Thickness 0.0394 in	SABIC method

Processing Properties	Metric	English	Comments
Nozzle Temperature	275 - 300 °C	527 - 572 °F
Zone 2	270 - 295 °C	518 - 563 °F
Zone 3	280 - 305 °C	536 - 581 °F
Melt Temperature	280 - 305 °C	536 - 581 °F	Injection Molding
Mold Temperature	70.0 - 95.0 °C	158 - 203 °F
Drying Temperature	120 °C	248 °F	Injection Molding
Dry Time	3.00 - 4.00 hour	3.00 - 4.00 hour	Injection Molding
	48.0 hour	48.0 hour	Cumulative; Injection Molding
Back Pressure	0.300 - 0.700 MPa	43.5 - 102 psi
Shot Size	40 - 60 %	40 - 60 %
Vent Depth	0.00250 - 0.00760 cm	0.000984 - 0.00299 in
Screw Speed	40 - 70 rpm	40 - 70 rpm

Descriptive Properties
UV-light, water exposure/immersion	F1		UL 746C

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PSABH80093 / 288040

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