SABIC LEXAN™ Copolymer EXL4419 Polycarbonate (PC) (Europe)

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SABIC LEXAN™ Copolymer EXL4419 Polycarbonate (PC) (Europe)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC)
Material Notes:	LEXAN EXL4419 polycarbonate (PC) siloxane copolymer resin is a 9% Glass Fiber (GF) reinforced opaque injection molding (IM) grade. This medium flow resin offers much higher ductility, improved release characteristics and excellent processability with opportunities for shorter IM cycle times when compared to GF reinforced standard PC resins. LEXAN EXL4419 resin is available in opaque colors only and is an excellent candidate for a broad range of applications that require a combination of stiffness and ductility. Features: High Impact Resistance Information provided by SABIC
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Physical Properties	Original Value	Comments

Specific Gravity	1.25 g/cc	ASTM D792
Density	1.25 g/cc	ISO 1183
Moisture Absorption	0.0200 %	Injection Molding
	0.460 %	23°C / 50% RH; ISO 62
Water Absorption at Saturation	0.12 %	ISO 62-1
Viscosity	10 cP @Load 1.20 kg, Temperature 300 °C	MVR cc/10 min; ISO 1133
Linear Mold Shrinkage, Flow	0.0020 - 0.0060 cm/cm @Thickness 3.20 mm	SABIC method
Melt Flow	11 g/10 min @Load 1.20 kg, Temperature 300 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	43.0 MPa	5 mm/min; ISO 527
	44.0 MPa	5 mm/min; ASTM D638
Tensile Strength, Yield	53.0 MPa	5 mm/min; ASTM D638
	55.0 MPa	5 mm/min; ISO 527
Elongation at Break	12.5 %	5 mm/min; ISO 527
	20 %	5 mm/min; ASTM D638
Elongation at Yield	4.5 %	5 mm/min; ASTM D638
	4.5 %	5 mm/min; ISO 527
Tensile Modulus	3300 MPa	5 mm/min; ASTM D638
	3300 MPa	1 mm/min; ISO 527
Flexural Strength	90.0 MPa	yield, 2 mm/min; ISO 178
	95.0 MPa	yld, 1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	3200 MPa	1.3 mm/min, 50 mm span; ASTM D790
	3300 MPa	2 mm/min; ISO 178
Izod Impact Notched	280 J	ASTM D256
	110 J @Temperature -30.0 °C	ASTM D256
Izod Impact, Notched (ISO)	25.0 kJ/m²	80103; ISO 180/1A
	10.0 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	25.0 kJ/m²	Edgew 80103 sp=62mm; ISO 179/1eA
	15.0 kJ/m² @Temperature -30.0 °C	Edgew 80103 sp=62mm; ISO 179/1eA
Dart Drop, Total Energy	40.0 J	ASTM D3763

Electrical Properties	Original Value	Comments
Volume Resistivity	1.78e+17 ohm-cm	ASTM D257
Surface Resistance	2.86e+17 ohm	ASTM D257
Dielectric Constant	2.95 @Frequency 1.90e+9 Hz	SABIC method
	3.04 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	31.5 kV/mm @Thickness 1.60 mm	in oil; ASTM D149
Dissipation Factor	0.0057 @Frequency 1.90e+9 Hz	SABIC method
	0.0086 @Frequency 1e+6 Hz	ASTM D150

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	40.7 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
	40.7 µm/m-°C @Temperature -40.0 - 40.0 °C	ISO 11359-2
CTE, linear, Transverse to Flow	69.4 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
	69.4 µm/m-°C @Temperature -40.0 - 40.0 °C	ISO 11359-2
Hot Ball Pressure Test	75.0 °C	PASS; IEC 60695-10-2
Deflection Temperature at 1.8 MPa (264 psi)	134 °C	Flatw 80104 sp=64mm; ISO 75/Af
	135 °C @Thickness 3.20 mm	unannealed; ASTM D648
Vicat Softening Point	144 °C	Rate B/50; ISO 306
	145 °C	Rate B/50; ASTM D1525
	146 °C	Rate B/120; ISO 306

Processing Properties	Original Value	Comments
Nozzle Temperature	305 - 325 °C
Zone 2	300 - 320 °C
Zone 3	310 - 330 °C
Melt Temperature	310 - 330 °C	Injection Molding
Mold Temperature	80.0 - 115 °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

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