S-Plastics Lexan 3433R resin is 30% GR, provides improved mechanical properties. UV-stabilized. Internal mold release.
| TYPICAL PROPERTIES (1) | |||
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, brk, Type I, 5 mm/min | 131 | MPa | ASTM D 638 |
| Tensile Strain, brk, Type I, 5 mm/min | 3 | % | ASTM D 638 |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 158 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 7580 | MPa | ASTM D 790 |
| Hardness, Rockwell M | 92 | - | ASTM D 785 |
| Hardness, Rockwell R | 121 | - | ASTM D 785 |
| Taber Abrasion, CS-17, 1 kg | 24 | mg/1000cy | ASTM D 1044 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, unnotched, 23°C | 1121 | J/m | ASTM D 4812 |
| Izod Impact, notched, 23°C | 106 | J/m | ASTM D 256 |
| Tensile Impact, Type "S" | 67 | kJ/m² | ASTM D 1822 |
| Falling Dart Impact (D 3029), 23°C | 5 | J | ASTM D 3029 |
| THERMAL | Value | Unit | Standard |
| Vicat Softening Temp, Rate B/50 | 154 | °C | ASTM D 1525 |
| HDT, 0.45 MPa, 6.4 mm, unannealed | 151 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 6.4 mm, unannealed | 146 | °C | ASTM D 648 |
| CTE, -40°C to 95°C, flow | 2.16E-05 | 1/°C | ASTM E 831 |
| Specific Heat | 1.13 | J/g-°C | ASTM C 351 |
| Thermal Conductivity | 0.22 | W/m-°C | ASTM C 177 |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.43 | - | ASTM D 792 |
| Specific Volume | 0.69 | cm³/g | ASTM D 792 |
| Density | 1.439 | g/cm³ | ASTM D 792 |
| Water Absorption, 24 hours | 0.14 | % | ASTM D 570 |
| Water Absorption, equilibrium, 23C | 0.26 | % | ASTM D 570 |
| Mold Shrinkage, flow, 3.2 mm | 0.1 - 0.3 | % | S-Plastics Method |
| Melt Flow Rate, 300°C/5.0 kgf | 19 | g/10 min | ASTM D 1238 |
| Source GMD, last updated:12/29/1999 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 120 | °C |
| Drying Time | 3 - 4 | hrs |
| Drying Time (Cumulative) | 48 | hrs |
| Maximum Moisture Content | 0.02 | % |
| Melt Temperature | 315 - 340 | °C |
| Nozzle Temperature | 310 - 330 | °C |
| Front - Zone 3 Temperature | 315 - 340 | °C |
| Middle - Zone 2 Temperature | 305 - 325 | °C |
| Rear - Zone 1 Temperature | 295 - 315 | °C |
| Mold Temperature | 80 - 115 | °C |
| Back Pressure | 0.3 - 0.7 | MPa |
| Screw Speed | 40 - 70 | rpm |
| Shot to Cylinder Size | 40 - 60 | % |
| Vent Depth | 0.025 - 0.076 | mm |
| Source GMD, last updated:12/29/1999 | ||
For more information please download the datasheet | |
 | S-Plastics Lexan 3433R.pdf |
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