苏州寅旭塑化有限公司
244RF
LEXAN 244RF resin grade is a medium viscosity multi purpose product with improved flame resistance and release properties. It is also FDA food contact compliant available in limited colors.
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS | |
|---|---|---|---|---|
| MECHANICAL | ||||
| Tensile Stress, yld, Type I, 50 mm/min | 62 | MPa | ASTM D 638 | |
| Tensile Stress, brk, Type I, 50 mm/min | 68 | MPa | ASTM D 638 | |
| Tensile Strain, yld, Type I, 50 mm/min | 7 | % | ASTM D 638 | |
| Tensile Strain, brk, Type I, 50 mm/min | 130 | % | ASTM D 638 | |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 96 | MPa | ASTM D 790 | |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 2340 | MPa | 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 | ||||
| Izod Impact, unnotched, 23°C | 3204 | J/m | ASTM D 4812 | |
| Izod Impact, notched, 23°C | 801 | J/m | ASTM D 256 | |
| Tensile Impact Strength, Type S | 577 | kJ/m2 | ASTM D 1822 | |
| Falling Dart Impact (D 3029), 23°C | 169 | J | ASTM D 3029 | |
| THERMAL | ||||
| Vicat Softening Temp, Rate B/50 | 154 | °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 | |
| Specific Heat | 1.25 | J/g-°C | ASTM C 351 | |
| Thermal Conductivity | 0.27 | W/m-°C | ASTM C177 | |
| Relative Temp Index, Elec | 130 | °C | UL 746B | |
| Relative Temp Index, Mech w/impact | 130 | °C | UL 746B | |
| Relative Temp Index, Mech w/o impact | 130 | °C | UL 746B | |
| PHYSICAL | ||||
| 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, (23°C/24hrs) | 0.15 | % | ASTM D 570 | |
| Water Absorption, (23°C/Saturated) | 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 | 10.5 | g/10 min | ASTM D 1238 | |
| OPTICAL | ||||
| Light Transmission, 2.54 mm | 88 | % | ASTM D 1003 | |
| Haze, 2.54 mm | 1 | % | ASTM D 1003 | |
| Refractive Index | 1.586 | - | ASTM D542 | |
| ELECTRICAL | ||||
| Volume Resistivity | >1.E+17 | Ohm-cm | ASTM D 257 | |
| Dielectric Strength, in air, 3.2 mm | 14.9 | kV/mm | ASTM D 149 | |
| Relative Permittivity, 50/60 Hz | 3.17 | - | 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 | |
| Hot Wire Ignition {PLC) | 2 | PLC Code | UL 746A | |
| High Voltage Arc Track Rate {PLC} | 2 | PLC Code | UL 746A | |
| High Ampere Arc Ign, surface {PLC} | 1 | PLC Code | UL 746A | |
| Comparative Tracking Index (UL) {PLC} | 2 | PLC Code | UL 746A | |
| FLAME CHARACTERISTICS | ||||
| UL Recognized, 94V-2 Flame Class Rating | 1.5 | mm | UL 94 | |
| Oxygen Index (LOI) | 25 | % | ASTM D 2863 | |
| Glow Wire Flammability Index 850°C, passes at | 1 | mm | IEC 60695-2-12 | |
| Glow Wire Ignitability Temperature, 1.0 mm | 875 | °C | IEC 60695-2-13 | |
| INJECTION MOLDING | ||||
| Drying Temperature | 120 | °C | ||
| Drying Time | 3 - 4 | hrs | ||
| Drying Time (Cumulative) | 48 | hrs | ||
| Maximum Moisture Content | 0.02 | % | ||
| Melt Temperature | 295 - 315 | °C | ||
| Nozzle Temperature | 290 - 310 | °C | ||
| Front - Zone 3 Temperature | 295 - 315 | °C | ||
| Middle - Zone 2 Temperature | 280 - 305 | °C | ||
| Rear - Zone 1 Temperature | 270 - 295 | °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 |
