品牌:LEXAN
起订:25KG
供应:100000KG
发货:1天内
信息标签:LEXAN PC 4504美国SABIC厂家直销价格,供应,塑料橡胶,塑料原料
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LEXAN ™ Resin 4504 |
Asia Pacific: COMMERCIAL |
High heat resistant polycarbonate copolymer, provides DTUL of 290F at 264 psi. FDA food contact compliant in limited colors. Effective January 15th, 2008 this grade will no longer be supported with biocompatibility information and should not be used for medical applications which require biocompatibility. Alternative grade HPH4504. |
Property |
TYPICAL PROPERTIES (1) | ||||
MECHANICAL | Value | Unit | Standard | |
Tensile Stress, yld, Type I, 50 mm/min | 660 | kgf/cm² | ASTM D 638 | |
Tensile Stress, brk, Type I, 50 mm/min | 730 | kgf/cm² | ASTM D 638 | |
Tensile Strain, brk, Type I, 50 mm/min | 122 | % | ASTM D 638 | |
Flexural Stress, yld, 1.3 mm/min, 50 mm span | 970 | kgf/cm² | ASTM D 790 | |
Flexural Modulus, 1.3 mm/min, 50 mm span | 20600 | kgf/cm² | ASTM D 790 | |
Hardness, Rockwell M | 85 | - | ASTM D 785 | |
Hardness, Rockwell R | 122 | - | ASTM D 785 | |
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 | 589 | cm-kgf/cm² | ASTM D 1822 | |
Falling Dart Impact (D 3029), 23°C | 1520 | cm-kgf | ASTM D 3029 | |
THERMAL | Value | Unit | Standard | |
HDT, 1.82 MPa, 3.2mm, unannealed | 143 | °C | ASTM D 648 | |
CTE, -40°C to 95°C, flow | 9.18E-05 | 1/°C | ASTM E 831 | |
Specific Heat | 1.25 | J/g-°C | ASTM C 351 | |
Thermal Conductivity | 0.21 | W/m-°C | ASTM C 177 | |
Relative Temp Index, Elec | 125 | °C | UL 746B | |
Relative Temp Index, Mech w/impact | 125 | °C | UL 746B | |
Relative Temp Index, Mech w/o impact | 125 | °C | UL 746B | |
PHYSICAL | Value | Unit | Standard | |
Specific Gravity | 1.2 | - | ASTM D 792 | |
Specific Volume | 0.83 | cm³/g | ASTM D 792 | |
Density | 1.19 | g/cm³ | ASTM D 792 | |
Water Absorption, 24 hours | 0.16 | % | ASTM D 570 | |
Mold Shrinkage, flow, 3.2 mm (5) | 0.7 - 0.8 | % | SABIC Method | |
Melt Flow Rate, 300°C/1.2 kgf | 3 | g/10 min | ASTM D 1238 | |
OPTICAL | Value | Unit | Standard | |
Light Transmission, 2.54 mm | 85 | % | ASTM D 1003 | |
Haze, 2.54 mm | 1 | % | ASTM D 1003 | |
Refractive Index | 1.6 | - | ASTM D 542 | |
ELECTRICAL | Value | Unit | Standard | |
Volume Resistivity | >2.6E+17 | Ohm-cm | ASTM D 257 | |
Dielectric Strength, in air, 3.2 mm | 20.2 | kV/mm | ASTM D 149 | |
Relative Permittivity, 50/60 Hz | 3.15 | - | ASTM D 150 | |
Relative Permittivity, 1 MHz | 3 | - | ASTM D 150 | |
Dissipation Factor, 50/60 Hz | 0.0012 | - | ASTM D 150 | |
Dissipation Factor, 100 Hz | 0.024 | - | ASTM D 150 | |
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} | 4 | PLC Code | UL 746A | |
Comparative Tracking Index (UL) {PLC} | 3 | PLC Code | UL 746A | |
FLAME CHARACTERISTICS | Value | Unit | Standard | |
UL Recognized, 94V-2 Flame Class Rating (3) | 1.47 | mm | UL 94 |
Source GMD, last updated:2000/01/04 |
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 | 340 - 360 | °C |
Nozzle Temperature | 330 - 355 | °C |
Front - Zone 3 Temperature | 340 - 360 | °C |
Middle - Zone 2 Temperature | 325 - 350 | °C |
Rear - Zone 1 Temperature | 315 - 340 | °C |
Mold Temperature | 80 - 115 | °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 |