S-Plastics Lexan 121SRM resin isEasy flow, impact modified, super release grade polycarbonate.
| TYPICAL PROPERTIES (1) | |||
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 50 mm/min | 65 | MPa | ASTM D 638 |
| Tensile Strain, brk, Type I, 50 mm/min | 143 | % | 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 | 2300 | MPa | ASTM D 790 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, notched, 23°C | 801 | J/m | ASTM D 256 |
| THERMAL | Value | Unit | Standard |
| HDT, 1.82 MPa, 3.2mm, unannealed | 123 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 6.4 mm, unannealed | 133 | °C | ASTM D 648 |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.2 | - | ASTM D 792 |
| Water Absorption, 24 hours | 0.15 | % | ASTM D 570 |
| Mold Shrinkage, flow, 3.2 mm | 0.5 - 0.7 | % | S-Plastics Method |
| Melt Flow Rate, 300°C/1.2 kgf | 18 | g/10 min | ASTM D 1238 |
| Source GMD, last updated:06/18/1999 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 120 | °C |
| Drying Time | 3 - 4 | hrs |
| Drying Time (Cumulative) | 48 | hrs |
| Melt Temperature | 280 - 305 | °C |
| Mold Temperature | 70 - 95 | °C |
| Source GMD, last updated:06/18/1999 | ||
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For more information please download the datasheet |
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S-Plastics Lexan 121SRM.pdf |
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