S-Plastics Cycoloy MC8234 resin is PC+ABS, flame retardant without chlorinated or brominated additives. High heat resistance, recommended for thin wall applications.
| TYPICAL PROPERTIES (1) | |||
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 50 mm/min | 64 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 50 mm/min | 5 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 50 mm/min | 40 | % | ASTM D 638 |
| Flexural Stress, yld, 2.6 mm/min, 100 mm span | 96 | MPa | ASTM D 790 |
| Flexural Modulus, 2.6 mm/min, 100 mm span | 2580 | MPa | ASTM D 790 |
| Hardness, Rockwell R | 121 | - | ASTM D 785 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, notched, 23°C | 453 | J/m | ASTM D 256 |
| Instrumented Impact Energy @ peak, 23°C | 54 | J | ASTM D 3763 |
| THERMAL | Value | Unit | Standard |
| Vicat Softening Temp, Rate B/50 | 112 | °C | ASTM D 1525 |
| HDT, 1.82 MPa, 3.2mm, unannealed | 87 | °C | ASTM D 648 |
| HDT, 0.45 MPa, 6.4 mm, unannealed | 101 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 6.4 mm, unannealed | 93 | °C | ASTM D 648 |
| CTE, -30°C to 30°C, flow | 7.2E-05 | 1/°C | ASTM D 696 |
| CTE, -30°C to 30°C, xflow | 7.2E-05 | 1/°C | ASTM D 696 |
| Thermal Conductivity | 0.2 | W/m-°C | ASTM C 177 |
| Relative Temp Index, Elec | 85 | °C | UL 746B |
| Relative Temp Index, Mech w/impact | 85 | °C | UL 746B |
| Relative Temp Index, Mech w/o impact | 85 | °C | UL 746B |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.18 | - | ASTM D 792 |
| Water Absorption, 24 hours | 0.1 | % | ASTM D 570 |
| Water Absorption, equilibrium, 23C | 0.4 | % | ASTM D 570 |
| Mold Shrinkage, flow, 3.2 mm | 0.4 - 0.6 | % | S-Plastics Method |
| Mold Shrinkage, xflow, 3.2 mm | 0.4 - 0.6 | % | S-Plastics Method |
| Melt Flow Rate, 260°C/2.16 kgf | 22 | g/10 min | ASTM D 1238 |
| ELECTRICAL | Value | Unit | Standard |
| Volume Resistivity | 1.6E+17 | Ohm-cm | ASTM D 257 |
| Surface Resistivity | >1.E+16 | Ohm | ASTM D 257 |
| Dielectric Strength, in oil, 3.2 mm | 24.3 | kV/mm | ASTM D 149 |
| Relative Permittivity, 50/60 Hz | 2.8 | - | ASTM D 150 |
| Relative Permittivity, 1 MHz | 2.7 | - | ASTM D 150 |
| Dissipation Factor, 50/60 Hz | 0.0052 | - | ASTM D 150 |
| Dissipation Factor, 1 MHz | 0.0071 | - | 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} | 0 | PLC Code | UL 746A |
| Comparative Tracking Index (UL) {PLC} | 2 | PLC Code | UL 746A |
| FLAME CHARACTERISTICS | Value | Unit | Standard |
| UL Recognized, 94V-2 Flame Class Rating (3) | 0.76 | mm | UL 94 |
| UL Recognized, 94V-0 Flame Class Rating (3) | 1.49 | mm | UL 94 |
| UL Recognized, 94-5VA Rating (3) | 3.4 | mm | UL 94 |
| UL Recognized, 94-5VB Rating (3) | 2.48 | mm | UL 94 |
| CSA (See File for complete listing) | LS88480 | File No. | CSA LISTED |
| Oxygen Index (LOI) | 30 | % | ASTM D 2863 |
| Source GMD, last updated:01/05/2000 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 75 - 80 | °C |
| Drying Time | 2 - 4 | hrs |
| Drying Time (Cumulative) | 8 | hrs |
| Maximum Moisture Content | 0.04 | % |
| Melt Temperature | 230 - 265 | °C |
| Nozzle Temperature | 230 - 265 | °C |
| Front - Zone 3 Temperature | 230 - 265 | °C |
| Middle - Zone 2 Temperature | 225 - 260 | °C |
| Rear - Zone 1 Temperature | 220 - 250 | °C |
| Mold Temperature | 60 - 80 | °C |
| Back Pressure | 0.3 - 0.7 | MPa |
| Screw Speed | 40 - 70 | rpm |
| Shot to Cylinder Size | 30 - 80 | % |
| Vent Depth | 0.038 - 0.076 | mm |
| Source GMD, last updated:01/05/2000 | ||
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For more information please download the datasheet |
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S-Plastics Cycoloy MC8234.pdf |
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