SABIC LEXAN™ 121M PC (Americas)

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SABIC LEXAN™ 121M PC (Americas)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC)
Material Notes:	Non-halogenated. 17.5 MFR, for small, intricate parts. Improved internal mold release. ... Information provided by SABIC
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Physical Properties	Original Value	Comments

Specific Gravity	1.20 g/cc	ASTM D792
	1.20 g/cc	ASTM D792
Density	1.19 g/cc	ASTM D792
Water Absorption	0.15 %	24 hours; ASTM D570
Moisture Absorption at Equilibrium	0.35 %	ASTM D570
	0.58 % @Temperature 100 °C	ASTM D570
Linear Mold Shrinkage, Flow	0.0050 - 0.0080 cm/cm @Thickness 3.20 mm	SABIC method
Melt Flow	17.5 g/10 min @Load 1.20 kg, Temperature 300 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	66.0 MPa	50 mm/min; ASTM D638
Tensile Strength, Yield	63.0 MPa	50 mm/min; ASTM D638
Elongation at Break	120 %	50 mm/min; ASTM D638
Elongation at Yield	7.0 %	50 mm/min; ASTM D638
Flexural Yield Strength	100 MPa	1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus	2350 MPa	1.3 mm/min, 50 mm span; ASTM D790
Izod Impact, Notched	820 J/m	ASTM D256
	200 J/m @Temperature -30.0 °C	ASTM D256
Izod Impact, Unnotched	2140 J/m	ASTM D4812
Dart Drop, Total Energy	77.0 J	ASTM D3763
Falling Dart Impact	169 J	ASTM D3029

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	63.6 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
CTE, linear, Transverse to Flow	65.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
Specific Heat Capacity	1.26 J/g-°C	ASTM C 351
Thermal Conductivity	0.190 W/m-K	ASTM C177
Deflection Temperature at 0.46 MPa (66 psi)	137 °C @Thickness 3.20 mm	unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	132 °C @Thickness 3.20 mm	unannealed; ASTM D648
Vicat Softening Point	143 °C	Rate B/50; ASTM D1525

Optical Properties	Original Value	Comments
Refractive Index	1.586	ASTM D542
Haze	1.0 % @Thickness 2.54 mm	ASTM D1003
Transmission, Visible	88 % @Thickness 2.54 mm	ASTM D1003

Processing Properties	Original Value	Comments
Nozzle Temperature	275 - 300 °C	Injection Molding
Zone 1	260 - 280 °C
Zone 2	270 - 295 °C
Zone 3	280 - 305 °C
Melt Temperature	280 - 305 °C
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
Moisture Content	0.020 %
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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PSABI10387 / 243854

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