SABIC LEXAN™ Copolymer EXL8454 Polycarbonate (PC) (Asia)

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SABIC LEXAN™ Copolymer EXL8454 Polycarbonate (PC) (Asia)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC)
Material Notes:	LEXAN EXL8454 is a PC/siloxane copolymer resin with medium flow, excellent low temperature impact and 50% post consumer recycle content. Limited availability and restricted color only. Higher color variability and contamination risks including black specs needs to be considered before approval for use in applications. Features: High Impact Resistance Information provided by SABIC
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Physical Properties	Original Value	Comments

Specific Gravity	1.20 g/cc	ASTM D792
Water Absorption	0.15 % @Time 86400 sec	SABIC method
Moisture Absorption	0.0200 %	Injection Molding
Linear Mold Shrinkage, Flow	0.0040 - 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	55.0 MPa	50 mm/min; ASTM D638
Tensile Strength, Yield	57.0 MPa	50 mm/min; ASTM D638
Elongation at Break	100 %	50 mm/min; ASTM D638
Elongation at Yield	6.0 %	50 mm/min; ASTM D638
Tensile Modulus	2200 MPa	5 mm/min; ASTM D638
Flexural Strength	90.0 MPa	yld, 1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	2100 MPa	1.3 mm/min, 50 mm span; ASTM D790
Izod Impact Notched	800 J	ASTM D256
	650 J @Temperature -40.0 °C	ASTM D256
	700 J @Temperature -30.0 °C	ASTM D256
Charpy Impact, Notched	65.0 kJ/m²	Edgew 80104 sp=62mm; ISO 179/1eA
	67.0 kJ/m²	Edgew 80103 sp=62mm; ISO 179/1eA
	27.0 kJ/m² @Temperature -30.0 °C	Edgew 80104 sp=62mm; ISO 179/1eA
	54.0 kJ/m² @Temperature -40.0 °C	Edgew 80103 sp=62mm; ISO 179/1eA
	58.0 kJ/m² @Temperature -30.0 °C	Edgew 80103 sp=62mm; ISO 179/1eA
Dart Drop, Total Energy	70.0 J	ASTM D3763

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+15 ohm-cm	ASTM D257
Surface Resistance	>= 1.00e+15 ohm	ASTM D257
Dielectric Constant	3.0 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	15.0 kV/mm @Thickness 0.800 mm	in oil; ASTM D149
Dissipation Factor	0.0093 @Frequency 1e+6 Hz	ASTM D150
Hot Wire Ignition, HWI	15 - 30 sec @Thickness >=3.00 mm	UL 746A

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	60.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
CTE, linear, Transverse to Flow	60.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
Deflection Temperature at 1.8 MPa (264 psi)	123 °C @Thickness 3.20 mm	unannealed; ASTM D648
Vicat Softening Point	145 °C	Rate B/50; ASTM D1525
UL RTI, Electrical	80.0 °C	UL 746B
UL RTI, Mechanical with Impact	80.0 °C	UL 746B
UL RTI, Mechanical without Impact	80.0 °C	UL 746B
Flammability, UL94	HB @Thickness >=0.400 mm	UL 94
Glow Wire Ignition Temperature	850 °C @Thickness 0.750 mm	IEC 60695-2-13
	875 °C @Thickness 1.00 mm	IEC 60695-2-13
	875 °C @Thickness 1.50 mm	IEC 60695-2-13
	875 °C @Thickness 3.00 mm	IEC 60695-2-13
Glow Wire Flammability Index	825 °C @Thickness 0.750 mm	IEC 60695-2-12
	850 °C @Thickness 1.00 mm	IEC 60695-2-12
	850 °C @Thickness 1.50 mm	IEC 60695-2-12
	960 °C @Thickness 3.00 mm	IEC 60695-2-12

Processing Properties	Original Value	Comments
Nozzle Temperature	290 - 310 °C
Zone 2	280 - 305 °C
Zone 3	295 - 315 °C
Melt Temperature	295 - 315 °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

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PSABH80217 / 288164

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