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Lexan PC 920A 低粘度注射成形，阻燃的PC 。特殊的表面外观。有透明和不透明的颜色
Lexan PC 920A物性
|
Property
|
| TYPICAL PROPERTIES (1) | ||||
|
MECHANICAL
|
Value | Unit | Standard | |
|
Tensile Stress, yld, Type I, 50 mm/min
|
630
|
kgf/cm2
|
ASTM D 638
|
|
|
Tensile Stress, brk, Type I, 50 mm/min
|
560
|
kgf/cm2
|
ASTM D 638
|
|
|
Tensile Strain, yld, Type I, 50 mm/min
|
7
|
%
|
ASTM D 638
|
|
|
Tensile Strain, brk, Type I, 50 mm/min
|
90
|
%
|
ASTM D 638
|
|
|
Flexural Stress, yld, 1.3 mm/min, 50 mm span
|
920
|
kgf/cm2
|
ASTM D 790
|
|
|
Flexural Modulus, 1.3 mm/min, 50 mm span
|
22800
|
kgf/cm2
|
ASTM D 790
|
|
|
Hardness, Rockwell M
|
70
|
-
|
ASTM D 785
|
|
|
Hardness, Rockwell R
|
118
|
-
|
ASTM D 785
|
|
|
Taber Abrasion, CS-17, 1 kg
|
10
|
mg/1000cy
|
ASTM D 1044
|
|
|
IMPACT
|
Value | Unit | Standard | |
|
Izod Impact, unnotched, 23°C
|
326
|
cm-kgf/cm
|
ASTM D 4812
|
|
|
Izod Impact, notched, 23°C
|
65
|
cm-kgf/cm
|
ASTM D 256
|
|
|
Tensile Impact, Type "S"
|
535
|
cm-kgf/cm2
|
ASTM D 1822
|
|
|
Falling Dart Impact (D 3029), 23°C
|
1728
|
cm-kgf
|
ASTM D 3029
|
|
|
THERMAL
|
Value | Unit | Standard | |
|
Vicat Softening Temp, Rate B/50
|
151
|
°C
|
ASTM D 1525
|
|
|
HDT, 0.45 MPa, 6.4 mm, unannealed
|
137
|
°C
|
ASTM D 648
|
|
|
HDT, 1.82 MPa, 6.4 mm, unannealed
|
132
|
°C
|
ASTM D 648
|
|
|
CTE, -40°C to 95°C, flow
|
6.84E-05
|
1/°C
|
ASTM E 831
|
|
|
Thermal Conductivity
|
0.19
|
W/m-°C
|
ASTM C 177
|
|
|
Relative Temp Index, Elec
|
130
|
°C
|
UL 746B
|
|
|
Relative Temp Index, Mech w/impact
|
120
|
°C
|
UL 746B
|
|
|
Relative Temp Index, Mech w/o impact
|
130
|
°C
|
UL 746B
|
|
|
PHYSICAL
|
Value | Unit | Standard | |
|
Specific Gravity
|
1.21
|
-
|
ASTM D 792
|
|
|
Specific Volume
|
0.83
|
cm2g
|
ASTM D 792
|
|
|
Density
|
1.217
|
g/cm2
|
ASTM D 792
|
|
|
Water Absorption, 24 hours
|
0.15
|
%
|
ASTM D 570
|
|
|
Water Absorption, equilibrium, 23C
|
0.35
|
%
|
ASTM D 570
|
|
|
Water Absorption, equilibrium, 100°C
|
0.58
|
%
|
ASTM D 570
|
|
|
Mold Shrinkage, flow, 3.2 mm
|
0.5 - 0.7
|
%
|
SABIC Method
|
|
|
Melt Flow Rate, 300°C/1.2 kgf
|
14.5
|
g/10 min
|
ASTM D 1238
|
|
|
OPTICAL
|
Value | Unit | Standard | |
|
Light Transmission
|
85
|
%
|
ASTM D 1003
|
|
|
Haze
|
1
|
%
|
ASTM D 1003
|
|
|
Refractive Index
|
1.586
|
-
|
ASTM D 542
|
|
|
ELECTRICAL
|
Value | Unit | Standard | |
|
Volume Resistivity
|
>1.E+17
|
Ohm-cm
|
ASTM D 257
|
|
|
Dielectric Strength, in air, 3.2 mm
|
16.7
|
kV/mm
|
ASTM D 149
|
|
|
Relative Permittivity, 50/60 Hz
|
3.01
|
-
|
ASTM D 150
|
|
|
Relative Permittivity, 1 MHz
|
2.96
|
-
|
ASTM D 150
|
|
|
Dissipation Factor, 50/60 Hz
|
0.0009
|
-
|
ASTM D 150
|
|
|
Dissipation Factor, 1 MHz
|
0.01
|
-
|
ASTM D 150
|
|
|
Arc Resistance, Tungsten {PLC}
|
7
|
PLC Code
|
ASTM D 495
|
|
|
Hot Wire Ignition {PLC)
|
2
|
PLC Code
|
UL 746A
|
|
|
High Voltage Arc Track Rate {PLC}
|
3
|
PLC Code
|
UL 746A
|
|
|
High Ampere Arc Ign, surface {PLC}
|
3
|
PLC Code
|
UL 746A
|
|
|
Comparative Tracking Index (UL) {PLC}
|
2
|
PLC Code
|
UL 746A
|
|
|
FLAME CHARACTERISTICS
|
Value | Unit | Standard | |
|
UL Recognized, 94V-2 Flame Class Rating (3)
|
1.47
|
mm
|
UL 94
|
|
|
UL Recognized, 94V-0 Flame Class Rating (3)
|
2.99
|
mm
|
UL 94
|
|
|
Radiant Panel Listing
|
YES
|
-
|
UL Tested
|
|
|
Processing
|
| Parameter | ||
|
Injection Molding
|
Value | Unit |
|
Drying Temperature
|
120
|
°C
|
|
Drying Time
|
3 - 4
|
hrs
|
|
Drying Time (Cumulative)
|
48
|
hrs
|
|
Maximum Moisture Content
|
0.02
|
%
|
|
Melt Temperature
|
290 - 310
|
°C
|
|
Nozzle Temperature
|
280 - 305
|
°C
|
|
Front - Zone 3 Temperature
|
290 - 310
|
°C
|
|
Middle - Zone 2 Temperature
|
275 - 300
|
°C
|
|
Rear - Zone 1 Temperature
|
265 - 290
|
°C
|
|
Mold Temperature
|
70 - 95
|
°C
|
|
Back Pressure
|
0.3 - 0.7
|
MPa
|
|
Screw Speed
|
40 - 70
|
rpm
|
|
Shot to Cylinder Size
|
40 - 60
|
%
|
|
Vent Depth
|
0.025 - 0.076
|
mm
|
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电 话：13798909890 传 真：0769-87128563
网 址：http://www.hao-en.com/ 邮箱：dai@hao-en.com
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