LNP Lexan® SML5889 Polycarbonate

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LNP Lexan® SML5889 Polycarbonate (discontinued **)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Molded
Material Notes:	Clear appearance Features: Antistatic Forms: Pellets Processing Method: Extrusion 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	1.20 g/cc	1.20 g/cc	ASTM D792

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	62.1 MPa	9010 psi	Type I, 50 mm/min; ASTM D638
Tensile Strength, Yield	71.0 MPa	10300 psi	Type I, 50 mm/min; ASTM D638
Elongation at Break	100 %	100 %	Type I, 50 mm/min; ASTM D638
Elongation at Yield	5.8 %	5.8 %	Type I, 50 mm/min; ASTM D638
Tensile Modulus	2.72 GPa	395 ksi	50 mm/min; ASTM D638
Flexural Yield Strength	115 MPa	16700 psi	(50.8 mm Span) 1mm/min; ASTM D790
Flexural Modulus	2.76 GPa	400 ksi	(50.8 mm Span) 1mm/min; ASTM D790
Izod Impact, Notched	0.534 J/cm	1.00 ft-lb/in	ASTM D256
Falling Dart Impact	81.3 J	60.0 ft-lb	ASTM D3763

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	106 °C @Thickness 3.18 mm	223 °F @Thickness 0.125 in	Unannealed; ASTM D648

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	288 - 310 °C	550 - 590 °F
Middle Barrel Temperature	299 - 321 °C	570 - 610 °F
Front Barrel Temperature	310 - 332 °C	590 - 630 °F
Nozzle Temperature	304 - 327 °C	579 - 621 °F
Melt Temperature	310 - 332 °C	590 - 630 °F
Mold Temperature	82.2 - 116 °C	180 - 241 °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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