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LNP Lexan® SML5750 Polycarbonate, 50% Glass Bead / Glass Fiber Reinforced  (discontinued **)
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, 50% Glass Filled

Material Notes: 270F HDT. Will be commercialized as LGB5030N.

  • 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.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Specific Gravity 1.63 g/ccASTM D792
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength at Break 145 MPaType I, 5 mm/min; ASTM D638
Tensile Strength, Yield 124 MPaType I, 5 mm/min; ASTM D638
Elongation at Break 5.0 %Type I, 5 mm/min; ASTM D638
Elongation at Yield 4.9 %Type I, 5 mm/min; ASTM D638
Tensile Modulus 11.0 GPa5 mm/min; ASTM D638
Flexural Strength 179 MPa50.8 mm Span, 1 mm/min; ASTM D790
 198 MPa102 mm Span, 3 mm/min; ASTM D790
Flexural Modulus 10.1 GPa(102 mm Span) 3mm/min; ASTM D790
 10.8 GPa(50.8 mm Span) 1mm/min; ASTM D790
Izod Impact, Notched 0.961 J/cmASTM D256
Izod Impact, Unnotched 5.34 J/cmASTM D256
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 0.46 MPa (66 psi) 138 °C
@Thickness 3.18 mm
Unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 132 °C
@Thickness 3.18 mm
Unannealed; ASTM D648
UL RTI, Electrical 80.0 °CUL 746
UL RTI, Mechanical with Impact 80.0 °CUL 746
UL RTI, Mechanical without Impact 80.0 °CUL 746
Flammability, UL94 HB
@Thickness 1.50 mm
 V-1
@Thickness 3.00 mm
 
Processing PropertiesOriginal ValueComments
Rear Barrel Temperature 293 - 316 °C
Middle Barrel Temperature 304 - 327 °C
Front Barrel Temperature 316 - 338 °C
Nozzle Temperature 310 - 332 °C
Melt Temperature 316 - 338 °C
Mold Temperature 82.2 - 116 °C
Drying Temperature 121 °C
Dry Time 3 - 48 hour
Moisture Content 0.020 %Suggested
Back Pressure 0.345 - 0.689 MPa
Clamp Pressure 41.0 - 69.0 MPa
Shot Size 40 - 60 %Suggested
Vent Depth 0.00250 - 0.00760 cm
Screw Speed 40 - 70 rpm

**
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