SABIC LEXAN™ Copolymer ML7664 Polycarbonate (PC)

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SABIC LEXAN™ Copolymer ML7664 Polycarbonate (PC)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC)
Material Notes:	LEXAN ML7664 polycarbonate (PC) siloxane resin, is a product targeting (profile) extrusion applications requiring extreme low temperature ductility. LEXAN ML7664 resin is a non-FR product available in opaque colors only. Features: High Impact Resistance Information provided by SABIC
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Physical Properties	Original Value	Comments

Specific Gravity	1.19 g/cc	ASTM D792
Density	1.19 g/cc	ISO 1183
Moisture Absorption	0.150 %	23°C / 50% RH; ISO 62
Water Absorption at Saturation	0.35 %	ISO 62-1
Viscosity	2.0 cP @Load 1.20 kg, Temperature 300 °C	MVR cc/10 min; ISO 1133
Linear Mold Shrinkage, Flow	0.0060 - 0.010 cm/cm @Thickness 3.20 mm	SABIC method
Melt Flow	2.7 g/10 min @Load 1.20 kg, Temperature 300 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	56.0 MPa	50 mm/min; ASTM D638
	59.0 MPa	50 mm/min; ISO 527
Tensile Strength, Yield	59.0 MPa	50 mm/min; ISO 527
	60.0 MPa	50 mm/min; ASTM D638
Elongation at Break	76 %	50 mm/min; ISO 527
	86 %	50 mm/min; ASTM D638
Elongation at Yield	6.0 %	50 mm/min; ASTM D638
	6.0 %	50 mm/min; ISO 527
Tensile Modulus	2200 MPa	5 mm/min; ASTM D638
	2300 MPa	1 mm/min; ISO 527
Flexural Strength	90.0 MPa	yield, 2 mm/min; ISO 178
	97.0 MPa	yld, 1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	2100 MPa	2 mm/min; ISO 178
	2300 MPa	1.3 mm/min, 50 mm span; ASTM D790
Izod Impact Notched	847 J	ASTM D256
	710 J @Temperature -30.0 °C	ASTM D256
Izod Impact, Notched (ISO)	64.0 kJ/m²	80104; ISO 180/1A
	54.0 kJ/m² @Temperature -30.0 °C	80104; ISO 180/1A
Charpy Impact, Notched	77.0 kJ/m²	Edgew 80104 sp=62mm; ISO 179/1eA
Dart Drop, Total Energy	72.0 J	ASTM D3763

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	70.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
	70.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ISO 11359-2
CTE, linear, Transverse to Flow	70.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
	70.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ISO 11359-2
Deflection Temperature at 1.8 MPa (264 psi)	125 °C	Flatw 80104 sp=64mm; ISO 75/Af
	127 °C @Thickness 3.20 mm	unannealed; ASTM D648
Vicat Softening Point	143 °C	Rate B/50; ISO 306
	144 °C	Rate B/50; ASTM D1525
	145 °C	Rate B/120; ISO 306

Processing Properties	Original Value	Comments
Processing Temperature	80.0 - 100 °C	Calibrator Temperature
Zone 1	240 - 280 °C	Profile Extrusion
Zone 2	260 - 290 °C	Profile Extrusion
Zone 3	260 - 290 °C	Profile Extrusion
Zone 4	260 - 290 °C	Profile Extrusion
Adapter Temperature	270 - 300 °C	Profile Extrusion
Die Temperature	260 - 290 °C	Profile Extrusion
Melt Temperature	280 - 300 °C	Profile Extrusion
Drying Temperature	120 °C	Profile Extrusion
Dry Time	2.00 - 4.00 hour	Profile Extrusion
Precipitation Temperature	100 - 120 °C	Hopper Temperature

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PSABH80409 / 288356

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