S-Plastics Valox EXVX1251 resin is a UV-stabilized grade designed for outdoor enclosure applications requiring UL 746C F1 weatherability performance.
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 50 mm/min | 53 | MPa | ASTM D 638 |
| Tensile Stress, brk, Type I, 50 mm/min | 43 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 50 mm/min | 5 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 50 mm/min | 50 | % | ASTM D 638 |
| Tensile Modulus, 5 mm/min | 2200 | MPa | ASTM D 638 |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 80 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 2200 | MPa | ASTM D 790 |
| Tensile Stress, yield, 50 mm/min | 51 | MPa | ISO 527 |
| Tensile Stress, break, 50 mm/min | 40 | MPa | ISO 527 |
| Tensile Strain, yield, 50 mm/min | 4 | % | ISO 527 |
| Tensile Strain, break, 50 mm/min | 42 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 2090 | MPa | ISO 527 |
| Flexural Stress, yield, 2 mm/min | 73 | MPa | ISO 178 |
| Flexural Modulus, 2 mm/min | 2130 | MPa | ISO 178 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, notched, 23°C | 800 | J/m | ASTM D 256 |
| Izod Impact, notched, -30°C | 110 | J/m | ASTM D 256 |
| Instrumented Impact Total Energy, 23°C | 50 | J | ASTM D 3763 |
| Izod Impact, notched 80*10*4 +23°C | 41 | kJ/m² | ISO 180/1A |
| Izod Impact, notched 80*10*4 -30°C | 8 | kJ/m² | ISO 180/1A |
| Charpy 23°C, V-notch Edgew 80*10*4 sp=62mm | 52 | kJ/m² | ISO 179/1eA |
| THERMAL | Value | Unit | Standard |
| Vicat Softening Temp, Rate B/50 | 105 | °C | ASTM D 1525 |
| HDT, 1.82 MPa, 3.2mm, unannealed | 75 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 6.4 mm, unannealed | 96 | °C | ASTM D 648 |
| CTE, -40°C to 40°C, flow | 8.84E-05 | 1/°C | ASTM E 831 |
| CTE, -40°C to 40°C, xflow | 8.97E-05 | 1/°C | ASTM E 831 |
| CTE, -40°C to 40°C, flow | 8.84E-05 | 1/°C | ISO 11359-2 |
| CTE, -40°C to 40°C, xflow | 8.97E-05 | 1/°C | ISO 11359-2 |
| Vicat Softening Temp, Rate B/50 | 121 | °C | ISO 306 |
| Vicat Softening Temp, Rate B/120 | 123 | °C | ISO 306 |
| HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm | 77 | °C | ISO 75/Af |
| Relative Temp Index, Elec | 75 | °C | UL 746B |
| Relative Temp Index, Mech w/impact | 75 | °C | UL 746B |
| Relative Temp Index, Mech w/o impact | 75 | °C | UL 746B |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.3 | - | ASTM D 792 |
| Mold Shrinkage, flow, 3.2 mm | 0.7 - 1 | % | S-Plastics Method |
| Melt Flow Rate, 265°C/2.16kg | 14 | g/10 min | ASTM D 1238 |
| Density | 1.3 | g/cm³ | ISO 1183 |
| Water Absorption, (23°C/sat) | 0.1 | % | ISO 62 |
| Moisture Absorption (23°C / 50% RH) | 0.03 | % | ISO 62 |
| Melt Volume Rate, MVR at 265°C/2.16 kg | 12 | cm³/10 min | ISO 1133 |
| Source GMD, last updated:03/21/2007 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 120 | °C |
| Drying Time | 3 - 4 | hrs |
| Drying Time (Cumulative) | 12 | hrs |
| Maximum Moisture Content | 0.02 | % |
| Melt Temperature | 250 - 265 | °C |
| Nozzle Temperature | 245 - 260 | °C |
| Front - Zone 3 Temperature | 250 - 265 | °C |
| Middle - Zone 2 Temperature | 245 - 260 | °C |
| Rear - Zone 1 Temperature | 240 - 255 | °C |
| Mold Temperature | 65 - 90 | °C |
| Back Pressure | 0.3 - 0.7 | MPa |
| Screw Speed | 50 - 80 | rpm |
| Shot to Cylinder Size | 40 - 80 | % |
| Vent Depth | 0.025 - 0.038 | mm |
| Source GMD, last updated:03/21/2007 | ||
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For more information please download the datasheet |
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S-Plastics Valox EXVX1251.pdf |
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