SABIC LEXAN™ Copolymer CXT19 Polycarbonate (PC) (Europe)

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SABIC LEXAN™ Copolymer CXT19 Polycarbonate (PC) (Europe)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC)
Material Notes:	LEXAN™ CXT19 Resin is a High Heat Polycarbonate Copolymer Resin with Vicat of 190°C and crystal clear transparency. This resin is optimized to have a broad processing window with limited yellowing. It is available in limited transparent colors. Features: High Heat Resistance Information provided by SABIC
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Physical Properties	Original Value	Comments

Specific Gravity	1.22 g/cc	ASTM D792
Density	1.22 g/cc	ISO 1183
Moisture Absorption	0.0200 %	Injection Molding
	0.300 %	23°C / 50% RH; ISO 62
Water Absorption at Saturation	0.50 %	ISO 62-1
Viscosity	15 cP @Load 2.16 kg, Temperature 330 °C	MVR cc/10 min; ISO 1133
	30 cP @Load 2.16 kg, Temperature 350 °C	MVR cc/10 min; ISO 1133
Linear Mold Shrinkage, Flow	0.0070 - 0.010 cm/cm @Thickness 3.20 mm	SABIC method
Linear Mold Shrinkage, Transverse	0.0070 - 0.010 cm/cm @Thickness 3.20 mm	SABIC method
Melt Flow	17 g/10 min @Load 2.16 kg, Temperature 330 °C	ASTM D1238
	33 g/10 min @Load 2.16 kg, Temperature 350 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	65.0 MPa	50 mm/min; ASTM D638
	65.0 MPa	50 mm/min; ISO 527
Tensile Strength, Yield	80.0 MPa	50 mm/min; ASTM D638
	80.0 MPa	50 mm/min; ISO 527
Elongation at Break	>= 25 %	50 mm/min; ASTM D638
	>= 25 %	50 mm/min; ISO 527
Elongation at Yield	7.0 %	50 mm/min; ISO 527
	7.5 %	50 mm/min; ASTM D638
Tensile Modulus	2500 MPa	1 mm/min; ISO 527
	2600 MPa	5 mm/min; ASTM D638
Flexural Strength	120 MPa	yld, 1.3 mm/min, 50 mm span; ASTM D790
	120 MPa	yield, 2 mm/min; ISO 178
Flexural Modulus	2550 MPa	2 mm/min; ISO 178
	2600 MPa	1.3 mm/min, 50 mm span; ASTM D790
Izod Impact Notched	80.0 J	ASTM D256
	70.0 J @Temperature -30.0 °C	ASTM D256
Izod Impact, Notched (ISO)	8.00 kJ/m²	80103; ISO 180/1A
	6.00 kJ/m² @Temperature -30.0 °C	80103; ISO 180/1A
Izod Impact, Unnotched (ISO)	NB	80103; ISO 180/1U
Charpy Impact Unnotched	NB	Edgew 80103 sp=62mm; ISO 179/1eU
Charpy Impact, Notched	9.00 kJ/m²	Edgew 80103 sp=62mm; ISO 179/1eA
	7.00 kJ/m² @Temperature -30.0 °C	Edgew 80103 sp=62mm; ISO 179/1eA

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	60.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ISO 11359-2
CTE, linear, Transverse to Flow	60.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ISO 11359-2
Thermal Conductivity	0.200 W/m-K	ISO 8302
Deflection Temperature at 0.46 MPa (66 psi)	185 °C	Flatw 80104 sp=64mm; ISO 75/Bf
	185 °C @Thickness 3.20 mm	unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	170 °C	Flatw 80104 sp=64mm; ISO 75/Af
	170 °C @Thickness 3.20 mm	unannealed; ASTM D648
Vicat Softening Point	190 °C	Rate B/120; ASTM D1525
	190 °C	Rate B/120; ISO 306
Glass Transition Temp, Tg	195 °C	half width; SABIC method

Optical Properties	Original Value	Comments
Refractive Index	1.609	ISO 489
Abbe Number	30	ISO 489
Transmission, Visible	87 % @Thickness 3.00 mm	ASTM D1003
	88 % @Thickness 2.00 mm	ASTM D1003
	89 % @Thickness 1.00 mm	ASTM D1003

Processing Properties	Original Value	Comments
Nozzle Temperature	305 - 345 °C
Zone 2	300 - 340 °C
Zone 3	310 - 350 °C
Melt Temperature	310 - 350 °C	Injection Molding
Mold Temperature	120 - 170 °C
Drying Temperature	135 °C	Injection Molding
Dry Time	5.00 - 6.00 hour	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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PSABH80117 / 288064

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