S-Plastics Cycoloy C2951 resin is a flame retardant PC+ABS free from chlorinated or brominated flame retardant additives. High heat resistance is offered for demanding electrical applications, whilst maintaining excellent processability. It is listed under UL-94 5VA at 3.0 mm.
| TYPICAL PROPERTIES (1) | |||
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 50 mm/min | 63 | MPa | ASTM D 638 |
| Tensile Stress, brk, Type I, 50 mm/min | 50 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 50 mm/min | 4.5 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 50 mm/min | 80 | % | ASTM D 638 |
| Tensile Modulus, 50 mm/min | 2900 | MPa | ASTM D 638 |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 93 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 2550 | MPa | ASTM D 790 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, notched, 23°C | 587 | J/m | ASTM D 256 |
| Instrumented Impact Total Energy, 23°C | 54 | J | ASTM D 3763 |
| THERMAL | Value | Unit | Standard |
| Vicat Softening Temp, Rate B/50 | 105 | °C | ASTM D 1525 |
| HDT, 1.82 MPa, 3.2mm, unannealed | 89 | °C | ASTM D 648 |
| HDT, 0.45 MPa, 6.4 mm, unannealed | 103 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 6.4 mm, unannealed | 94 | °C | ASTM D 648 |
| CTE, -40°C to 40°C, flow | 7.2E-05 | 1/°C | ASTM E 831 |
| CTE, -40°C to 40°C, xflow | 7.2E-05 | 1/°C | ASTM E 831 |
| 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 | 1.19 | - | ASTM D 792 |
| Mold Shrinkage, flow, 3.2 mm | 0.4 - 0.6 | % | S-Plastics Method |
| Melt Flow Rate, 260°C/2.16 kgf | 10 | g/10 min | ASTM D 1238 |
| ELECTRICAL | Value | Unit | Standard |
| Arc Resistance, Tungsten {PLC} | 6 | PLC Code | ASTM D 495 |
| Hot Wire Ignition {PLC) | 1 | PLC Code | UL 746A |
| High Voltage Arc Track Rate {PLC} | 2 | PLC Code | UL 746A |
| High Ampere Arc Ign, surface {PLC} | 0 | PLC Code | UL 746A |
| Comparative Tracking Index (UL) {PLC} | 1 | PLC Code | UL 746A |
| FLAME CHARACTERISTICS | Value | Unit | Standard |
| UL Recognized, 94V-0 Flame Class Rating (3) | 1.5 | mm | UL 94 |
| UL Recognized, 94-5VA Rating (3) | 3 | mm | UL 94 |
| UL Recognized, 94-5VB Rating (3) | 2.5 | mm | UL 94 |
| Source GMD, last updated:07/25/2005 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 80 - 90 | °C |
| Drying Time | 3 - 4 | hrs |
| Drying Time (Cumulative) | 8 | hrs |
| Maximum Moisture Content | 0.04 | % |
| Melt Temperature | 245 - 275 | °C |
| Nozzle Temperature | 245 - 275 | °C |
| Front - Zone 3 Temperature | 245 - 275 | °C |
| Middle - Zone 2 Temperature | 220 - 265 | °C |
| Rear - Zone 1 Temperature | 220 - 255 | °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:07/25/2005 | ||
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For more information please download the datasheet |
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S-Plastics cycoloy C2951.pdf |
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