2016-11-14 09:21
Lexan PC 925A物性
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925A是一种非填充，注射模压级聚碳酸酯（ PC ）树脂,非氯化，非溴化阻燃UL - 94 V0。透明和可着色的颜色.
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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
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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
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680
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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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6
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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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125
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%
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ASTM D 638
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|
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Tensile Modulus, 50 mm/min
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23100
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kgf/cm²
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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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1020
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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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24100
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kgf/cm²
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ASTM D 790
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|
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IMPACT
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Value | Unit | Standard | |
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Izod Impact, notched, 23°C
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81
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cm-kgf/cm
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ASTM D 256
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|
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Instrumented Impact Total Energy, 23°C
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805
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cm-kgf
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ASTM D 3763
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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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143
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°C
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ASTM D 1525
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|
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HDT, 0.45 MPa, 3.2 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, 3.2mm, unannealed
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126
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°C
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ASTM D 648
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|
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CTE, -40°C to 40°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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CTE, -40°C to 40°C, xflow
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7.38E-05
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1/°C
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ASTM E 831
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|
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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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|
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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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|
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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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|
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PHYSICAL
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Value | Unit | Standard | |
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Specific Gravity
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1.19
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-
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ASTM D 792
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|
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Mold Shrinkage, flow, 3.2 mm
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0.6 - 0.8
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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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13
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g/10 min
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ASTM D 1238
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|
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ELECTRICAL
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Value | Unit | Standard | |
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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)
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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}
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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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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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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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0.8
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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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3.04
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mm
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UL 94
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Glow Wire Flammability Index 960°C, passes at
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1
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mm
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IEC 60695-2-12
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|
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Glow Wire Ignitability Temperature, 1.0 mm
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850
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°C
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IEC 60695-2-13
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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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2 - 4
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hrs
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Maximum Moisture Content
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0.02
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%
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Melt Temperature
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280 - 310
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°C
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Nozzle Temperature
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270 - 290
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°C
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Front - Zone 3 Temperature
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280 - 310
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°C
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Middle - Zone 2 Temperature
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270 - 290
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°C
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Rear - Zone 1 Temperature
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260 - 280
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°C
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Hopper Temperature
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60 - 80
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°C
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Mold Temperature
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80 - 110
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°C
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