LNP Lexan® SML5728 Polycarbonate, Carbon Fiber Reinforcement

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LNP Lexan® SML5728 Polycarbonate, Carbon Fiber Reinforcement (discontinued **)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Carbon Fiber Reinforced
Material Notes:	Features: Radio Frequency Shielding (RFI), Electromagnetic Shielding (EMI) 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	Original Value	Comments

Specific Gravity	1.31 g/cc	ASTM D792

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	152 MPa	Type I, 5 mm/min; ASTM D638
Tensile Strength, Yield	137 MPa	Type I, 5 mm/min; ASTM D638
Elongation at Break	3.0 %	Type I, 5 mm/min; ASTM D638
Flexural Strength	165 MPa	102 mm Span, 3 mm/min; ASTM D790
	213 MPa	50.8 mm Span, 1 mm/min; ASTM D790
Flexural Modulus	20.1 GPa	(102 mm Span) 3mm/min; ASTM D790
	21.0 GPa	(50.8 mm Span) 1mm/min; ASTM D790
Izod Impact, Notched	0.534 J/cm	ASTM D256
Izod Impact, Unnotched	2.67 J/cm	ASTM D256
Falling Dart Impact	7.91 J	ASTM D3763

Electrical Properties	Original Value	Comments
Volume Resistivity	5.0 ohm-cm	ASTM D257
Hot Wire Ignition, HWI	>= 120 sec @Thickness 3.18 mm	PLC = 0; UL 746
High Amp Arc Ignition, HAI	60 - 119 arcs @Thickness 3.18 mm	PLC = 1; UL 746

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	101 °C @Thickness 3.18 mm	Unannealed; ASTM D648
	102 °C @Thickness 6.35 mm	Unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	95.0 °C @Thickness 3.18 mm	Unannealed; ASTM D648
	96.7 °C @Thickness 6.35 mm	Unannealed; ASTM D648
UL RTI, Electrical	80.0 °C	UL 746
UL RTI, Mechanical with Impact	80.0 °C	UL 746
UL RTI, Mechanical without Impact	80.0 °C	UL 746
Flammability, UL94	V-0 @Thickness 1.19 mm

Processing Properties	Original Value	Comments
Rear Barrel Temperature	260 - 277 °C
Middle Barrel Temperature	271 - 288 °C
Front Barrel Temperature	271 - 299 °C
Nozzle Temperature	271 - 299 °C
Melt Temperature	271 - 310 °C
Mold Temperature	48.9 - 93.3 °C
Drying Temperature	82.2 - 87.8 °C
Dry Time	3 - 8 hour
Back Pressure	0.345 - 0.689 MPa
Shot Size	40 - 60 %	Suggested
Vent Depth	0.00380 - 0.00760 cm
Screw Speed	35 - 75 rpm

**
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PZLNP1100 / 51182

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