S-Plastics Lexan 4704 resin is High heat resistant polycarbonate copolymer, provides DTUL of 300F at 264 psi. FDA food contact compliant in limited colors. Effective
TYPICAL PROPERTIES (1) | |||
MECHANICAL | Value | Unit | Standard |
Tensile Stress, yld, Type I, 50 mm/min | 65 | MPa | ASTM D 638 |
Tensile Stress, brk, Type I, 50 mm/min | 77 | MPa | ASTM D 638 |
Tensile Strain, yld, Type I, 50 mm/min | 8 | % | ASTM D 638 |
Tensile Strain, brk, Type I, 50 mm/min | 78 | % | ASTM D 638 |
Tensile Modulus, 5 mm/min | 2080 | MPa | ASTM D 638 |
Flexural Stress, yld, 1.3 mm/min, 50 mm span | 97 | MPa | ASTM D 790 |
Flexural Modulus, 1.3 mm/min, 50 mm span | 2330 | MPa | ASTM D 790 |
Hardness, Rockwell M | 92 | - | ASTM D 785 |
Hardness, Rockwell R | 127 | - | ASTM D 785 |
Tensile Stress, yield, 50 mm/min | 68 | MPa | ISO 527 |
Tensile Stress, break, 50 mm/min | 68 | MPa | ISO 527 |
Tensile Strain, yield, 50 mm/min | 7 | % | ISO 527 |
Tensile Strain, break, 50 mm/min | 102 | % | ISO 527 |
Tensile Modulus, 1 mm/min | 2170 | MPa | ISO 527 |
Flexural Stress, yield, 2 mm/min | 66 | MPa | ISO 178 |
Flexural Modulus, 2 mm/min | 2070 | MPa | ISO 178 |
IMPACT | Value | Unit | Standard |
Izod Impact, unnotched, 23°C | 3204 | J/m | ASTM D 4812 |
Izod Impact, notched, 23°C | 373 | J/m | ASTM D 256 |
Izod Impact, notched, -30°C | 84 | J/m | ASTM D 256 |
Tensile Impact, Type "S" | 577 | kJ/m² | ASTM D 1822 |
Falling Dart Impact (D 3029), 23°C | 149 | J | ASTM D 3029 |
Instrumented Impact Total Energy, 23°C | 74 | J | ASTM D 3763 |
Izod Impact, notched 80*10*4 +23°C | 7 | kJ/m² | ISO 180/1A |
Izod Impact, notched 80*10*4 -30°C | 6 | kJ/m² | ISO 180/1A |
THERMAL | Value | Unit | Standard |
Vicat Softening Temp, Rate B/50 | 173 | °C | ASTM D 1525 |
HDT, 1.82 MPa, 3.2mm, unannealed | 148 | °C | ASTM D 648 |
CTE, -40°C to 40°C, flow | 6.E-05 | 1/°C | ASTM E 831 |
CTE, -40°C to 40°C, xflow | 6.E-05 | 1/°C | ASTM E 831 |
CTE, -40°C to 95°C, flow | 8.1E-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 |
CTE, -40°C to 40°C, flow | 6.E-05 | 1/°C | ISO 11359-2 |
CTE, -40°C to 40°C, xflow | 6.E-05 | 1/°C | ISO 11359-2 |
Vicat Softening Temp, Rate B/50 | 165 | °C | ISO 306 |
Vicat Softening Temp, Rate B/120 | 167 | °C | ISO 306 |
HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm | 150 | °C | ISO 75/Af |
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 | 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 | 0.19 | % | ASTM D 570 |
Mold Shrinkage, flow, 3.2 mm | 0.8 - 1 | % | S-Plastics Method |
Melt Flow Rate, 300°C/1.2 kgf | 2 | g/10 min | ASTM D 1238 |
Density | 1.2 | g/cm³ | ISO 1183 |
Water Absorption, (23°C/sat) | 0.16 | % | ISO 62 |
Moisture Absorption (23°C / 50% RH) | 0.35 | % | ISO 62 |
Melt Volume Rate, MVR at 300°C/1.2 kg | 2 | cm³/10 min | ISO 1133 |
OPTICAL | Value | Unit | Standard |
Light Transmission | 85 | % | ASTM D 1003 |
Haze | 1 | % | ASTM D 1003 |
Refractive Index | 1.6 | - | ASTM D 542 |
ELECTRICAL | Value | Unit | Standard |
Volume Resistivity | >2.5E+17 | Ohm-cm | ASTM D 257 |
Dielectric Strength, in air, 3.2 mm | 20 | kV/mm | ASTM D 149 |
Relative Permittivity, 50/60 Hz | 3.27 | - | ASTM D 150 |
Relative Permittivity, 1 MHz | 3.1 | - | ASTM D 150 |
Dissipation Factor, 50/60 Hz | 0.0016 | - | ASTM D 150 |
Dissipation Factor, 100 Hz | 0.026 | - | ASTM D 150 |
Arc Resistance, Tungsten {PLC} | 6 | 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} | 3 | PLC Code | UL 746A |
FLAME CHARACTERISTICS | Value | Unit | Standard |
UL Recognized, 94HB Flame Class Rating (3) | 1.47 | mm | UL 94 |
Source GMD, last updated:01/03/2006 |
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 | 350 - 370 | °C |
Nozzle Temperature | 345 - 365 | °C |
Front - Zone 3 Temperature | 350 - 370 | °C |
Middle - Zone 2 Temperature | 340 - 360 | °C |
Rear - Zone 1 Temperature | 325 - 350 | °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 |
Source GMD, last updated:01/03/2006 |
For more information please download the datasheet |
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S-Plastics Lexan 4704.pdf |
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