S-Plastics Cycoloy CM8520 resin is a Mineral Filled Non-FR PC+ABS blend with high impact, high modulus, good chemical resistance & improved surface aesthetic, designed for hand help device chassis that required better surface finishing. It also suitable for inserts molded chassis application which required high gloss painting or NCVM type of secondary operation.
| TYPICAL PROPERTIES (1) | |||
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 50 mm/min | 55 | MPa | ASTM D 638 |
| Tensile Stress, brk, Type I, 50 mm/min | 45 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 50 mm/min | 4 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 50 mm/min | 50 | % | ASTM D 638 |
| Tensile Modulus, 5 mm/min | 3300 | MPa | ASTM D 638 |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 3400 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 3300 | MPa | ASTM D 790 |
| Tensile Stress, yield, 5 mm/min | 55 | MPa | ISO 527 |
| Tensile Stress, break, 5 mm/min | 40 | MPa | ISO 527 |
| Tensile Strain, yield, 5 mm/min | 4 | % | ISO 527 |
| Tensile Strain, break, 5 mm/min | 20 | % | ISO 527 |
| Flexural Stress, yield, 2 mm/min | 90 | MPa | ISO 178 |
| Flexural Modulus, 2 mm/min | 3350 | MPa | ISO 178 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, notched, 23°C | 550 | J/m | ASTM D 256 |
| Izod Impact, notched, -30°C | 100 | J/m | ASTM D 256 |
| Instrumented Impact Total Energy, 23°C | 55 | J | ASTM D 3763 |
| Izod Impact, notched 80*10*3 +23°C | 48 | kJ/m² | ISO 180/1A |
| Charpy 23°C, V-notch Edgew 80*10*4 sp=62mm | 48 | kJ/m² | ISO 179/1eA |
| Charpy -30°C, V-notch Edgew 80*10*4 sp=62mm | 10 | kJ/m² | ISO 179/1eA |
| THERMAL | Value | Unit | Standard |
| HDT, 1.82 MPa, 3.2mm, unannealed | 116 | °C | ASTM D 648 |
| CTE, -40°C to 40°C, flow | 4.8E-05 | 1/°C | ASTM E 831 |
| CTE, -40°C to 40°C, xflow | 5.6E-05 | 1/°C | ASTM E 831 |
| Vicat Softening Temp, Rate B/120 | 135 | °C | ISO 306 |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.25 | - | ASTM D 792 |
| Mold Shrinkage, flow, 3.2 mm (5) | 0.4 - 0.6 | % | S-Plastics Method |
| Melt Flow Rate, 260°C/5.0 kgf | 13.5 | g/10 min | ASTM D 1238 |
| Water Absorption, (23°C/sat) | 0.2 | % | ISO 62 |
| Moisture Absorption (23°C / 50% RH) | 0.02 | % | ISO 62 |
| FLAME CHARACTERISTICS | Value | Unit | Standard |
| UL Recognized, 94HB Flame Class Rating (3) | 0.75 | mm | UL 94 |
| Source GMD, last updated:2010/02/25 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 100 - 110 | °C |
| Drying Time | 3 - 4 | hrs |
| Drying Time (Cumulative) | 8 | hrs |
| Maximum Moisture Content | 0.02 | % |
| Melt Temperature | 275 - 300 | °C |
| Nozzle Temperature | 275 - 300 | °C |
| Front - Zone 3 Temperature | 260 - 300 | °C |
| Middle - Zone 2 Temperature | 255 - 295 | °C |
| Rear - Zone 1 Temperature | 250 - 290 | °C |
| Hopper Temperature | 60 - 80 | °C |
| Mold Temperature | 60 - 90 | °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:2010/02/25 | ||
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For more information please download the datasheet |
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S-Plastics cycoloy CM5820.pdf |
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