LNP Lexan® SML5897 Polycarbonate, 40% Carbon Fiber Reinforced

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LNP Lexan® SML5897 Polycarbonate, 40% Carbon Fiber Reinforced (discontinued **)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Carbon Fiber Reinforced
Material Notes:	For use in high modulus applications. Forms: Pellets Processing Method: Injection Molding Information provided by LNP, a GE Plastics Company. This data sheet is labeled Discontinued; however many LNP grades are still active under new names instituted after the SABIC purchase.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.40 g/cc	1.40 g/cc	ASTM D792
Linear Mold Shrinkage	-0.00100 - 0.00 cm/cm @Thickness 3.18 mm	-0.00100 - 0.00 in/in @Thickness 0.125 in	ASTM D955
Linear Mold Shrinkage, Transverse	0.0014 - 0.0027 cm/cm @Thickness 3.18 mm	0.0014 - 0.0027 in/in @Thickness 0.125 in	ASTM D955
Melt Flow	7.9 g/10 min @Load 1.20 kg, Temperature 300 °C	7.9 g/10 min @Load 2.65 lb, Temperature 572 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	148 MPa	21500 psi	Type I, 5 mm/min; ASTM D638
Tensile Strength, Yield	148 MPa	21500 psi	Type I, 5 mm/min; ASTM D638
Elongation at Break	1.1 %	1.1 %	Type I, 5 mm/min; ASTM D638
Elongation at Yield	1.1 %	1.1 %	Type I, 5 mm/min; ASTM D638
Flexural Strength	210 MPa	30500 psi	50.8 mm Span, 1 mm/min; ASTM D790
Flexural Modulus	18.3 GPa	2650 ksi	(50.8 mm Span) 1mm/min; ASTM D790
Izod Impact, Notched	0.534 J/cm	1.00 ft-lb/in	ASTM D256
Izod Impact, Unnotched	4.11 J/cm	7.70 ft-lb/in	ASTM D256
Falling Dart Impact	7.91 J	5.83 ft-lb	ASTM D3763

Electrical Properties	Metric	English	Comments
Volume Resistivity	2.7 ohm-cm	2.7 ohm-cm	ASTM D257
Surface Resistance	3000 ohm	3000 ohm	ASTM D257
Static Decay	<= 0.010 sec	<= 0.010 sec	5000V to <50V; FTMS101B
Hot Wire Ignition, HWI	>= 120 sec @Thickness 3.18 mm	>= 120 sec @Thickness 0.125 in	PLC = 0; UL 746
High Amp Arc Ignition, HAI	30 - 59 arcs @Thickness 3.18 mm	30 - 59 arcs @Thickness 0.125 in	PLC = 2; UL 746

Thermal Properties	Metric	English	Comments
CTE, linear	36.0 µm/m-°C @Temperature -40.0 - 38.0 °C	20.0 µin/in-°F @Temperature -40.0 - 100 °F	ASTM D696
	36.0 µm/m-°C @Temperature -40.0 - 93.0 °C	20.0 µin/in-°F @Temperature -40.0 - 199 °F	ASTM D696
CTE, linear, Transverse to Flow	41.0 µm/m-°C @Temperature -40.0 - 38.0 °C	22.8 µin/in-°F @Temperature -40.0 - 100 °F	ASTM D696
	47.0 µm/m-°C @Temperature -40.0 - 93.0 °C	26.1 µin/in-°F @Temperature -40.0 - 199 °F	ASTM D696
Deflection Temperature at 0.46 MPa (66 psi)	147 °C @Thickness 3.18 mm	297 °F @Thickness 0.125 in	Unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	142 °C @Thickness 3.18 mm	288 °F @Thickness 0.125 in	Unannealed; ASTM D648
Vicat Softening Point	152 °C	306 °F	Rate B; ASTM D1525
UL RTI, Electrical	80.0 °C	176 °F	UL 746
UL RTI, Mechanical with Impact	80.0 °C	176 °F	UL 746
UL RTI, Mechanical without Impact	80.0 °C	176 °F	UL 746
Flammability, UL94	V-0 @Thickness 0.991 mm	V-0 @Thickness 0.0390 in

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	277 - 293 °C	531 - 559 °F
Middle Barrel Temperature	282 - 304 °C	540 - 579 °F
Front Barrel Temperature	288 - 316 °C	550 - 601 °F
Nozzle Temperature	288 - 316 °C	550 - 601 °F
Melt Temperature	288 - 316 °C	550 - 601 °F
Mold Temperature	71.1 - 104 °C	160 - 219 °F
Drying Temperature	121 °C	250 °F
Dry Time	3 - 48 hour	3 - 48 hour
Moisture Content	0.020 %	0.020 %	Suggested
Back Pressure	0.345 - 0.689 MPa	50.0 - 99.9 psi
Clamp Pressure	41.0 - 69.0 MPa	5950 - 10000 psi
Shot Size	40 - 60 %	40 - 60 %	Suggested
Vent Depth	0.00250 - 0.00760 cm	0.000984 - 0.00299 in
Screw Speed	40 - 70 rpm	40 - 70 rpm

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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