SABIC LEXAN™ Copolymer CXT19UV Polycarbonate (PC) (Americas)

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SABIC LEXAN™ Copolymer CXT19UV Polycarbonate (PC) (Americas)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC)
Material Notes:	LEXAN™ CXT19UV Resin is an UV-stabilized 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	Metric	English	Comments

Specific Gravity	1.22 g/cc	1.22 g/cc	ASTM D792
Density	1.22 g/cc	0.0441 lb/in³	ISO 1183
Moisture Absorption	0.0200 %	0.0200 %	Injection Molding
	0.300 %	0.300 %	23°C / 50% RH; ISO 62
Water Absorption at Saturation	0.50 %	0.50 %	ISO 62-1
Viscosity	15 cP @Load 2.16 kg, Temperature 330 °C	15 cP @Load 4.76 lb, Temperature 626 °F	MVR cc/10 min; ISO 1133
	30 cP @Load 2.16 kg, Temperature 350 °C	30 cP @Load 4.76 lb, Temperature 662 °F	MVR cc/10 min; ISO 1133
Linear Mold Shrinkage, Flow	0.0070 - 0.010 cm/cm @Thickness 3.20 mm	0.0070 - 0.010 in/in @Thickness 0.126 in	SABIC method
Linear Mold Shrinkage, Transverse	0.0070 - 0.010 cm/cm @Thickness 3.20 mm	0.0070 - 0.010 in/in @Thickness 0.126 in	SABIC method
Melt Flow	17 g/10 min @Load 2.16 kg, Temperature 330 °C	17 g/10 min @Load 4.76 lb, Temperature 626 °F	ASTM D1238
	33 g/10 min @Load 2.16 kg, Temperature 350 °C	33 g/10 min @Load 4.76 lb, Temperature 662 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	65.0 MPa	9430 psi	50 mm/min; ASTM D638
	65.0 MPa	9430 psi	50 mm/min; ISO 527
Tensile Strength, Yield	80.0 MPa	11600 psi	50 mm/min; ASTM D638
	80.0 MPa	11600 psi	50 mm/min; ISO 527
Elongation at Break	>= 25 %	>= 25 %	50 mm/min; ASTM D638
	>= 25 %	>= 25 %	50 mm/min; ISO 527
Elongation at Yield	7.0 %	7.0 %	50 mm/min; ISO 527
	7.5 %	7.5 %	50 mm/min; ASTM D638
Tensile Modulus	2.50 GPa	363 ksi	1 mm/min; ISO 527
	2.60 GPa	377 ksi	5 mm/min; ASTM D638
Flexural Strength	120 MPa	17400 psi	yld, 1.3 mm/min, 50 mm span; ASTM D790
	120 MPa	17400 psi	yield, 2 mm/min; ISO 178
Flexural Modulus	2.55 GPa	370 ksi	2 mm/min; ISO 178
	2.60 GPa	377 ksi	1.3 mm/min, 50 mm span; ASTM D790
Izod Impact Notched	80.0 J	59.0 ft-lb	ASTM D256
	70.0 J @Temperature -30.0 °C	51.6 ft-lb @Temperature -22.0 °F	ASTM D256
Izod Impact, Notched (ISO)	8.00 kJ/m²	3.81 ft-lb/in²	80103; ISO 180/1A
	6.00 kJ/m² @Temperature -30.0 °C	2.86 ft-lb/in² @Temperature -22.0 °F	80103; ISO 180/1A
Izod Impact, Unnotched (ISO)	NB	NB	80103; ISO 180/1U
Charpy Impact Unnotched	NB	NB	Edgew 80103 sp=62mm; ISO 179/1eU
Charpy Impact, Notched	0.900 J/cm²	4.28 ft-lb/in²	Edgew 80103 sp=62mm; ISO 179/1eA
	0.700 J/cm² @Temperature -30.0 °C	3.33 ft-lb/in² @Temperature -22.0 °F	Edgew 80103 sp=62mm; ISO 179/1eA

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	60.0 µm/m-°C @Temperature -40.0 - 40.0 °C	33.3 µin/in-°F @Temperature -40.0 - 104 °F	ISO 11359-2
CTE, linear, Transverse to Flow	60.0 µm/m-°C @Temperature -40.0 - 40.0 °C	33.3 µin/in-°F @Temperature -40.0 - 104 °F	ISO 11359-2
Thermal Conductivity	0.200 W/m-K	1.39 BTU-in/hr-ft²-°F	ISO 8302
Deflection Temperature at 0.46 MPa (66 psi)	185 °C	365 °F	Flatw 80104 sp=64mm; ISO 75/Bf
	185 °C @Thickness 3.20 mm	365 °F @Thickness 0.126 in	unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	170 °C	338 °F	Flatw 80104 sp=64mm; ISO 75/Af
	170 °C @Thickness 3.20 mm	338 °F @Thickness 0.126 in	unannealed; ASTM D648
Vicat Softening Point	190 °C	374 °F	Rate B/120; ASTM D1525
	190 °C	374 °F	Rate B/120; ISO 306
Glass Transition Temp, Tg	195 °C	383 °F	half width; SABIC method

Optical Properties	Metric	English	Comments
Refractive Index	1.609	1.609	ISO 489
Abbe Number	30	30	ISO 489
Transmission, Visible	87 % @Thickness 3.00 mm	87 % @Thickness 0.118 in	ASTM D1003
	88 % @Thickness 2.00 mm	88 % @Thickness 0.0787 in	ASTM D1003
	89 % @Thickness 1.00 mm	89 % @Thickness 0.0394 in	ASTM D1003

Processing Properties	Metric	English	Comments
Nozzle Temperature	305 - 345 °C	581 - 653 °F
Zone 2	300 - 340 °C	572 - 644 °F
Zone 3	310 - 350 °C	590 - 662 °F
Melt Temperature	310 - 350 °C	590 - 662 °F	Injection Molding
Mold Temperature	120 - 170 °C	248 - 338 °F
Drying Temperature	135 °C	275 °F	Injection Molding
Dry Time	5.00 - 6.00 hour	5.00 - 6.00 hour	Injection Molding
Back Pressure	0.300 - 0.700 MPa	43.5 - 102 psi
Shot Size	40 - 60 %	40 - 60 %
Vent Depth	0.00250 - 0.00760 cm	0.000984 - 0.00299 in
Screw Speed	40 - 70 rpm	40 - 70 rpm

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PSABH80121 / 288068

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