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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	53.0 MPa	50 mm/min; ISO 527
	55.0 MPa	50 mm/min; ASTM D638
Tensile Strength, Yield	66.0 MPa	50 mm/min; ISO 527
	67.0 MPa	50 mm/min; ASTM D638
Elongation at Break	55 %	50 mm/min; ASTM D638
	56 %	50 mm/min; ISO 527
Elongation at Yield	6.0 %	50 mm/min; ASTM D638
	6.0 %	50 mm/min; ISO 527
Tensile Modulus	2350 MPa	1 mm/min; ISO 527
	2520 MPa	50 mm/min; ASTM D638
Flexural Strength	101 MPa	yield, 2 mm/min; ISO 178
	107 MPa	yld, 1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	2450 MPa	1.3 mm/min, 50 mm span; ASTM D790
	2450 MPa	2 mm/min; ISO 178
Izod Impact Notched	100 J	ASTM D256
	81.0 J @Temperature -30.0 °C	ASTM D256
Izod Impact, Unnotched	NB	ASTM D4812
	NB @Temperature -30.0 °C	ASTM D4812
Izod Impact, Notched (ISO)	9.00 kJ/m²	80103; ISO 180/1A
	8.00 kJ/m² @Temperature -30.0 °C	80103; ISO 180/1A
Izod Impact, Unnotched (ISO)	NB	80103; ISO 180/1U
	NB @Temperature -30.0 °C	80103; ISO 180/1U
Charpy Impact Unnotched	NB	Edgew 80103 sp=62mm; ISO 179/1eU
	NB @Temperature -30.0 °C	Edgew 80103 sp=62mm; ISO 179/1eU
Charpy Impact, Notched	10.0 kJ/m²	Edgew 80103 sp=62mm; ISO 179/1eA
	7.00 kJ/m² @Temperature -30.0 °C	Edgew 80103 sp=62mm; ISO 179/1eA
Dart Drop, Total Energy	64.0 J	ASTM D3763

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

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

Optical Properties	Original Value	Comments
Transmission, Visible	>= 88 % @Thickness 3.00 mm	SABIC method
	>= 89 % @Thickness 2.00 mm	SABIC method
	>= 90 % @Thickness 1.00 mm	SABIC method

Processing Properties	Original Value	Comments
Nozzle Temperature	275 - 300 °C
Zone 2	270 - 295 °C
Zone 3	280 - 305 °C
Melt Temperature	280 - 305 °C	Injection Molding
Mold Temperature	70.0 - 95.0 °C
Drying Temperature	120 °C	Injection Molding
Dry Time	3.00 - 4.00 hour	Injection Molding
	48.0 hour	Cumulative; Injection Molding
Back Pressure	0.300 - 0.700 MPa
Shot Size	40 - 60 %
Vent Depth	0.00250 - 0.00760 cm
Screw Speed	40 - 70 rpm

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

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