SABIC LEXAN™ FR Resin BX7241 Polycarbonate (PC)

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SABIC LEXAN™ FR Resin BX7241 Polycarbonate (PC)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC)
Material Notes:	LEXAN BX7241 Polycarbonate (PC) is an injection moldable non-chlorinated/brominated, unfilled flame retardant grade that has good impact and processability. It has an MVR of 18 (260°C/2.16kg), UL94 V0@0.6mm, 5VA at 3.0mm rating and can be ideal for thin wall applications. Features: Flame Retardant,Thin Wall,Translucent,Non-Chlorinated,Non-Brominated,High Impact Resistance,Good Processability Information provided by SABIC
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Physical Properties	Original Value	Comments

Specific Gravity	1.20 g/cc	ASTM D792
Moisture Absorption	0.0200 %	Injection Molding
	0.100 %	23°C / 50% RH; ISO 62
Water Absorption at Saturation	0.20 %	ISO 62-1
Viscosity	18 cP @Load 2.16 kg, Temperature 260 °C	MVR cc/10 min; ISO 1133
Linear Mold Shrinkage, Flow	0.0040 - 0.0060 cm/cm @Thickness 3.20 mm	SABIC method
Melt Flow	18 g/10 min @Load 2.16 kg, Temperature 260 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	45.0 MPa	50 mm/min; ISO 527
	65.0 MPa	50 mm/min; ASTM D638
Tensile Strength, Yield	62.0 MPa	50 mm/min; ISO 527
	67.0 MPa	50 mm/min; ASTM D638
Elongation at Break	90 %	50 mm/min; ISO 527
	100 %	50 mm/min; ASTM D638
Elongation at Yield	4.2 %	50 mm/min; ISO 527
	4.4 %	50 mm/min; ASTM D638
Tensile Modulus	2500 MPa	5 mm/min; ASTM D638
	2500 MPa	1 mm/min; ISO 527
Flexural Strength	98.0 MPa	break, 2mm/min; ISO 178
	99.0 MPa	yield, 2 mm/min; ISO 178
	105 MPa	brk, 1.3 mm/min, 50 mm span; ASTM D790
	107 MPa	yld, 1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	2450 MPa	1.3 mm/min, 50 mm span; ASTM D790
	2600 MPa	2 mm/min; ISO 178
Izod Impact Notched	690 J	ASTM D256
	190 J @Temperature -30.0 °C	ASTM D256
	420 J @Temperature 0.000 °C	ASTM D256
Izod Impact, Notched (ISO)	28.0 kJ/m²	80104; ISO 180/1A
	11.0 kJ/m² @Temperature -30.0 °C	80104; ISO 180/1A
	11.0 kJ/m² @Temperature 0.000 °C	80104; ISO 180/1A
Charpy Impact, Notched	37.0 kJ/m²	80104mm, Cut; ISO 179/1eA
	11.0 kJ/m² @Temperature -30.0 °C	80104mm, Cut; ISO 179/1eA
	12.0 kJ/m² @Temperature 0.000 °C	ISO 179/1eA
Dart Drop, Total Energy	60.0 J	ASTM D3763

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+16 ohm-cm	ASTM D257
Surface Resistance	>= 2.00e+15 ohm	ASTM D257

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	59.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
	59.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ISO 11359-2
CTE, linear, Transverse to Flow	59.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
	59.0 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 0.46 MPa (66 psi)	103 °C @Thickness 3.20 mm	unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	93.0 °C @Thickness 3.20 mm	unannealed; ASTM D648
Vicat Softening Point	109 °C	Rate B/50; ISO 306
	111 °C	Rate B/50; ASTM D1525
	112 °C	Rate B/120; ISO 306
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	V-2 @Thickness >=0.200 mm	UL 94
	V-1 @Thickness >=0.500 mm	UL 94
	V-0 @Thickness >=0.500 mm	UL 94
Glow Wire Ignition Temperature	800 °C @Thickness 1.00 mm	IEC 60695-2-13
	825 °C @Thickness 1.50 mm	IEC 60695-2-13
	825 °C @Thickness 3.00 mm	IEC 60695-2-13
Glow Wire Flammability Index	960 °C @Thickness 0.750 mm	IEC 60695-2-12

Processing Properties	Original Value	Comments
Nozzle Temperature	250 - 300 °C
Zone 2	240 - 290 °C
Zone 3	250 - 300 °C
Melt Temperature	250 - 300 °C	Injection Molding
Mold Temperature	60.0 - 85.0 °C
Drying Temperature	80.0 - 90.0 °C	Injection Molding
Dry Time	2.00 - 4.00 hour	Injection Molding
Vent Depth	0.00300 - 0.00750 cm
Precipitation Temperature	60.0 - 80.0 °C	Hopper Temperature

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