LNP Lexan® SML5765 Polycarbonate, 20% Carbon Fiber Reinforced

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LNP Lexan® SML5765 Polycarbonate, 20% Carbon Fiber Reinforced (discontinued **)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Carbon Fiber Reinforced
Material Notes:	Tight tolerances. CUSTOM ENGINEERED PRODUCTS from GENERAL ELECTRIC PLASTICS. 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	1.26 g/cc	1.26 g/cc	ASTM D792

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	138 MPa	20000 psi	Type I, 5 mm/min; ASTM D638
Tensile Strength, Yield	138 MPa	20000 psi	Type I, 5 mm/min; ASTM D638
Elongation at Break	6.0 %	6.0 %	Type I, 5 mm/min; ASTM D638
Elongation at Yield	5.9 %	5.9 %	Type I, 5 mm/min; ASTM D638
Flexural Modulus	8.96 GPa	1300 ksi	(50.8 mm Span) 1mm/min; ASTM D790
Izod Impact, Notched	1.33 J/cm	2.49 ft-lb/in	ASTM D256

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	115 °C @Thickness 3.18 mm	239 °F @Thickness 0.125 in	Unannealed; ASTM D648

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	238 - 282 °C	460 - 540 °F
Middle Barrel Temperature	249 - 293 °C	480 - 559 °F
Front Barrel Temperature	260 - 304 °C	500 - 579 °F
Nozzle Temperature	254 - 299 °C	489 - 570 °F
Melt Temperature	260 - 304 °C	500 - 579 °F
Mold Temperature	48.9 - 82.2 °C	120 - 180 °F
Drying Temperature	104 - 110 °C	219 - 230 °F
Dry Time	3 - 24 hour	3 - 24 hour
Back Pressure	0.345 - 0.689 MPa	50.0 - 99.9 psi
Shot Size	40 - 60 %	40 - 60 %	Suggested
Vent Depth	0.00380 - 0.00760 cm	0.00150 - 0.00299 in
Screw Speed	35 - 75 rpm	35 - 75 rpm

**
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