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SABIC LEXAN™ Copolymer 4795R Polycarbonate (PC) (Americas)
Categories:
Polymer
;
Thermoplastic
;
Polycarbonate (PC)
Material Notes:
LEXAN 4795R is a high heat resistant poly(ester)carbonate injection molding resin. Flame Retardant.
Features: High Heat Resistance
Information provided by SABIC
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Physical Properties
Metric
English
Comments
Specific Gravity
1.20
g/cc
1.20
g/cc
ASTM D792
Density
1.20
g/cc
0.0434
lb/in³
ISO 1183
Moisture Absorption
0.0200 %
0.0200 %
Injection Molding
Linear Mold Shrinkage, Flow
0.0097
cm/cm
@Thickness 3.20 mm
0.0097
in/in
@Thickness 0.126 in
SABIC method
Linear Mold Shrinkage, Transverse
0.0097
cm/cm
@Thickness 3.20 mm
0.0097
in/in
@Thickness 0.126 in
SABIC method
Melt Flow
2.5
g/10 min
@Load 1.20 kg,
Temperature 300 °C
2.5
g/10 min
@Load 2.65 lb,
Temperature 572 °F
ASTM D1238
15
g/10 min
@Load 2.16 kg,
Temperature 330 °C
15
g/10 min
@Load 4.76 lb,
Temperature 626 °F
ASTM D1238
Mechanical Properties
Metric
English
Comments
Tensile Strength at Break
70.0
MPa
10200
psi
50 mm/min; ASTM D638
Tensile Strength, Yield
68.0
MPa
9860
psi
50 mm/min; ASTM D638
Elongation at Break
117 %
117 %
50 mm/min; ASTM D638
Elongation at Yield
7.5 %
7.5 %
50 mm/min; ASTM D638
Tensile Modulus
2.17
GPa
315
ksi
50 mm/min; ASTM D638
Flexural Strength
105
MPa
15200
psi
brk, 1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus
2.20
GPa
319
ksi
1.3 mm/min, 50 mm span; ASTM D790
Izod Impact Notched
578
J
426
ft-lb
ASTM D256
Izod Impact, Unnotched
21.4
J/cm
40.1
ft-lb/in
ASTM D4812
Dart Drop, Total Energy
73.0
J
53.8
ft-lb
peak; ASTM D3763
77.0
J
56.8
ft-lb
ASTM D3763
Thermal Properties
Metric
English
Comments
Hot Ball Pressure Test
125
°C
257
°F
PASS; IEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi)
160
°C
@Thickness 3.20 mm
320
°F
@Thickness 0.126 in
unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)
147
°C
@Thickness 3.20 mm
297
°F
@Thickness 0.126 in
unannealed; ASTM D648
Vicat Softening Point
164
°C
327
°F
Rate B/50; ASTM D1525
Processing Properties
Metric
English
Comments
Nozzle Temperature
345
-
365
°C
653
-
689
°F
Zone 2
340
-
360
°C
644
-
680
°F
Zone 3
350
-
370
°C
662
-
698
°F
Melt Temperature
350
-
370
°C
662
-
698
°F
Injection Molding
Mold Temperature
80.0
-
115
°C
176
-
239
°F
Drying Temperature
120
°C
248
°F
Injection Molding
Dry Time
3.00
-
4.00
hour
3.00
-
4.00
hour
Injection Molding
48.0
hour
48.0
hour
Cumulative; Injection Molding
Back Pressure
0.300
-
0.700
MPa
43.5
-
102
psi
Shot Size
40 - 60 %
40 - 60 %
Vent Depth
0.00250
-
0.00760
cm
0.000984
-
0.00299
in
Screw Speed
40
-
70
rpm
40
-
70
rpm
Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's
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PSABH80083 / 288030
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