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