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Rulon Bearings

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LNP Lexan® LGN2000A Polycarbonate, 20% Glass Fiber Reinforcement  (discontinued **)
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, 20% Glass Filled

Material Notes: CE & IS applications.

  • Features: High Flow
  • 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 1.35 g/ccASTM D792
Linear Mold Shrinkage 0.0015 - 0.0025 cm/cm
@Thickness 3.18 mm
ASTM D955
Linear Mold Shrinkage, Transverse 0.0025 - 0.0050 cm/cm
@Thickness 3.18 mm
ASTM D955
Melt Flow 20.7 g/10 min
@Load 1.20 kg,
Temperature 300 °C
ASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 81.0 MPaType I, 5 mm/min; ASTM D638
Elongation at Break 4.9 %Type I, 5 mm/min; ASTM D638
Flexural Strength 124 MPa50.8 mm Span, 1 mm/min; ASTM D790
Flexural Modulus 5.03 GPa(50.8 mm Span) 1mm/min; ASTM D790
Izod Impact, Notched 0.534 J/cmASTM D256
Izod Impact, Unnotched 4.00 J/cmASTM D256
Falling Dart Impact 14.2 JASTM D3763
 
Electrical PropertiesOriginal ValueComments
Arc Resistance 120 - 179 sec(Tungsten Electrode, 3.18 mm) (PLC = 5); ASTM D495
Comparative Tracking Index 175 - 249 V
@Thickness 3.18 mm
PLC = 3; UL 746
Hot Wire Ignition, HWI >= 120 sec
@Thickness 3.18 mm
PLC = 0; UL 746
High Amp Arc Ignition, HAI 15 - 29 arcs
@Thickness 3.18 mm
PLC = 3; UL 746
High Voltage Arc-Tracking Rate, HVTR >= 150 mm/min
@Thickness 3.18 mm
PLC = 4; UL 746
 
Thermal PropertiesOriginal ValueComments
CTE, linear 23.0 µm/m-°C
@Temperature -40.0 - 38.0 °C
ASTM D696
 25.0 µm/m-°C
@Temperature -40.0 - 93.0 °C
ASTM D696
CTE, linear, Transverse to Flow 49.0 µm/m-°C
@Temperature -40.0 - 38.0 °C
ASTM D696
 56.0 µm/m-°C
@Temperature -40.0 - 93.0 °C
ASTM D696
Deflection Temperature at 0.46 MPa (66 psi) 141 °C
@Thickness 3.18 mm
Unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 135 °C
@Thickness 3.18 mm
Unannealed; ASTM D648
Vicat Softening Point 144 °CRate B; ASTM D1525
UL RTI, Electrical 120 °CUL 746
UL RTI, Mechanical with Impact 120 °CUL 746
UL RTI, Mechanical without Impact 130 °CUL 746
Flammability, UL94 V-0
@Thickness 1.50 mm
 
Processing PropertiesOriginal ValueComments
Rear Barrel Temperature 271 - 293 °C
Middle Barrel Temperature 282 - 304 °C
Front Barrel Temperature 293 - 316 °C
Nozzle Temperature 288 - 310 °C
Melt Temperature 293 - 316 °C
Mold Temperature 71.1 - 93.3 °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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