S-Plastics Valox V4280 resin is 40% GR PBT+PET. High stiffness. Application include office furniture.
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 5 mm/min | 145 | MPa | ASTM D 638 |
| Tensile Stress, brk, Type I, 5 mm/min | 145 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 5 mm/min | 2.2 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 5 mm/min | 2.2 | % | ASTM D 638 |
| Tensile Modulus, 5 mm/min | 12750 | MPa | ASTM D 638 |
| Flexural Stress, brk, 1.3 mm/min, 50 mm span | 220 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 10680 | MPa | ASTM D 790 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, unnotched, 23°C | 827 | J/m | ASTM D 4812 |
| Izod Impact, notched, 23°C | 106 | J/m | ASTM D 256 |
| Instrumented Impact Total Energy, 23°C | 7 | J | ASTM D 3763 |
| THERMAL | Value | Unit | Standard |
| Vicat Softening Temp, Rate B/50 | 221 | °C | ASTM D 1525 |
| HDT, 0.45 MPa, 3.2 mm, unannealed | 215 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 3.2mm, unannealed | 193 | °C | ASTM D 648 |
| CTE, -40°C to 40°C, flow | 1.44E-05 | 1/°C | ASTM E 831 |
| CTE, -40°C to 40°C, xflow | 7.38E-05 | 1/°C | ASTM E 831 |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.64 | - | ASTM D 792 |
| Mold Shrinkage, flow, 3.2 mm | 0.2 - 0.5 | % | S-Plastics Method |
| Mold Shrinkage, xflow, 3.2 mm | 0.5 - 0.8 | % | S-Plastics Method |
| Melt Flow Rate, 266°C/5.0 kgf | 33 | g/10 min | ASTM D 1238 |
| Source GMD, last updated:04/23/2002 | |||
For more information please download the datasheet | |
 | S-Plastics Valox V4280.pdf |
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