S-Plastics Lexan LR220 resin is a flame retardant Polycarbonate grade with a low viscosity for small injection moulded parts. It is rated UL94 V0 at 2 mm
| TYPICAL PROPERTIES (1) | |||
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yield, 50 mm/min | 60 | MPa | ISO 527 |
| Tensile Strain, yield, 50 mm/min | 6 | % | ISO 527 |
| Tensile Strain, break, 50 mm/min | >25 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 2350 | MPa | ISO 527 |
| Flexural Stress, yield, 2 mm/min | 90 | MPa | ISO 178 |
| Flexural Modulus, 2 mm/min | 2300 | MPa | ISO 178 |
| Hardness, H358/30 | 95 | MPa | ISO 2039-1 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, unnotched 80*10*4 +23°C | NB | kJ/m² | ISO 180/1U |
| Izod Impact, notched 80*10*4 +23°C | 9 | kJ/m² | ISO 180/1A |
| THERMAL | Value | Unit | Standard |
| Ball Pressure Test, 125°C +/- 2°C | PASSES | - | IEC 60695-10-2 |
| Vicat Softening Temp, Rate B/120 | 140 | °C | ISO 306 |
| HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm | 120 | °C | ISO 75/Af |
| PHYSICAL | Value | Unit | Standard |
| Mold Shrinkage on Tensile Bar, flow (2) (5) | 0.5 - 0.7 | % | S-Plastics Method |
| Density | 1.2 | g/cm³ | ISO 1183 |
| Water Absorption, (23°C/sat) | 0.35 | % | ISO 62 |
| Moisture Absorption (23°C / 50% RH) | 0.15 | % | ISO 62 |
| Melt Volume Rate, MVR at 300°C/1.2 kg | 21 | cm³/10 min | ISO 1133 |
| FLAME CHARACTERISTICS | Value | Unit | Standard |
| UL Recognized, 94V-0 Flame Class Rating (3) | 2 | mm | UL 94 |
| Source GMD, last updated:1993/07/27 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 120 | °C |
| Drying Time | 2 - 4 | hrs |
| Maximum Moisture Content | 0.02 | % |
| Melt Temperature | 280 - 300 | °C |
| Nozzle Temperature | 270 - 290 | °C |
| Front - Zone 3 Temperature | 280 - 300 | °C |
| Middle - Zone 2 Temperature | 270 - 290 | °C |
| Rear - Zone 1 Temperature | 260 - 280 | °C |
| Hopper Temperature | 60 - 80 | °C |
| Mold Temperature | 80 - 100 | °C |
| Source GMD, last updated:1993/07/27 |
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For more information please download the datasheet |
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S-Plastics Lexan LR220.pdf |
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