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SABIC LEXAN™ 123R PC (Americas)
Categories:
Polymer
;
Thermoplastic
;
Polycarbonate (PC)
Material Notes:
UL rated HB as of 10/97. 200 series recommended when V-2 rating required. Nonhalogenated. 17.5 MFR, for small, intricate parts. UV stabilized. Internal mold release.
Information provided by SABIC
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Physical Properties
Original Value
Comments
Specific Gravity
1.20
g/cc
ASTM D792
1.20
g/cc
ASTM D792
Density
1.19
g/cc
ASTM D792
Water Absorption
0.15 %
24 hours; ASTM D570
Moisture Absorption at Equilibrium
0.35 %
ASTM D570
0.58 %
@Temperature 100 °C
ASTM D570
Linear Mold Shrinkage, Flow
0.0050
-
0.0070
cm/cm
@Thickness 3.20 mm
SABIC method
Melt Flow
17.5
g/10 min
@Load 1.20 kg,
Temperature 300 °C
ASTM D1238
Mechanical Properties
Original Value
Comments
Hardness, Rockwell M
70
ASTM D785
Hardness, Rockwell R
118
ASTM D785
Tensile Strength at Break
65.0
MPa
50 mm/min; ASTM D638
Tensile Strength, Yield
62.0
MPa
50 mm/min; ASTM D638
Elongation at Break
110 %
50 mm/min; ASTM D638
Elongation at Yield
7.0 %
50 mm/min; ASTM D638
Flexural Yield Strength
93.0
MPa
1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus
2340
MPa
1.3 mm/min, 50 mm span; ASTM D790
Izod Impact, Notched
694
J/m
ASTM D256
Izod Impact, Unnotched
3204
J/m
ASTM D4812
Tensile Impact Strength
546
kJ/m²
ASTM D1822
Falling Dart Impact
169
J
ASTM D3029
Taber Abrasion, mg/1000 Cycles
10
CS-17, 1 kg; ASTM D1044
Electrical Properties
Original Value
Comments
Volume Resistivity
>=
1.00e+17
ohm-cm
ASTM D257
Dielectric Constant
2.96
@Frequency 1e+6 Hz
ASTM D150
3.17
@Frequency 50.0 - 60.0 Hz
ASTM D150
Dielectric Strength
14.9
kV/mm
@Thickness 3.20 mm
in air; ASTM D149
Dissipation Factor
0.00090
@Frequency 50.0 - 60.0 Hz
ASTM D150
0.010
@Frequency 1e+6 Hz
ASTM D150
Comparative Tracking Index
250
-
400
V
UL 746A
Hot Wire Ignition, HWI
7.0
-
15
sec
UL 746A
High Amp Arc Ignition, HAI
60
-
120
arcs
UL 746A
High Voltage Arc-Tracking Rate, HVTR
25.4
-
80.0
mm/min
UL 746A
Thermal Properties
Original Value
Comments
CTE, linear, Parallel to Flow
68.4
µm/m-°C
@Temperature -40.0 - 95.0 °C
ASTM E831
Specific Heat Capacity
1.26
J/g-°C
ASTM C 351
Thermal Conductivity
0.190
W/m-K
ASTM C177
Deflection Temperature at 0.46 MPa (66 psi)
137
°C
@Thickness 6.40 mm
unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)
132
°C
@Thickness 6.40 mm
unannealed; ASTM D648
Vicat Softening Point
154
°C
Rate B/50; ASTM D1525
UL RTI, Electrical
130
°C
UL 746B
UL RTI, Mechanical with Impact
130
°C
UL 746B
UL RTI, Mechanical without Impact
130
°C
UL 746B
Flammability, UL94
HB
@Thickness 0.760 mm
UL 94
Optical Properties
Original Value
Comments
Refractive Index
1.586
ASTM D542
Haze
1.0 %
@Thickness 2.54 mm
ASTM D1003
Transmission, Visible
88 %
@Thickness 2.54 mm
ASTM D1003
Processing Properties
Original Value
Comments
Nozzle Temperature
275
-
300
°C
Injection Molding
Zone 1
260
-
280
°C
Zone 2
270
-
295
°C
Zone 3
280
-
305
°C
Melt Temperature
280
-
305
°C
Mold Temperature
70.0
-
95.0
°C
Drying Temperature
120
°C
Injection Molding
Dry Time
3.00
-
4.00
hour
Injection Molding
48.0
hour
Cumulative; Injection Molding
Moisture Content
0.020 %
Back Pressure
0.300
-
0.700
MPa
Shot Size
40 - 60 %
Vent Depth
0.00250
-
0.00760
cm
Screw Speed
40
-
70
rpm
Descriptive Properties
UV-light, water exposure/immersion
F1
UL 746C
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PSABI10392 / 243859
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