S-Plastics Valox NBV350 resin is Unreinforced, neat PBT resin for compounding/fibers only. Natural Color Only, Not intended for injection molding. Very low viscosity.
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 50 mm/min | 50 | MPa | ASTM D 638 |
| Tensile Stress, brk, Type I, 50 mm/min | 50 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 50 mm/min | 2 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 50 mm/min | 2 | % | ASTM D 638 |
| Tensile Modulus, 5 mm/min | 2500 | MPa | ASTM D 638 |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 84 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 2390 | MPa | ASTM D 790 |
| Tensile Stress, yield, 50 mm/min | 45 | MPa | ISO 527 |
| Tensile Stress, break, 50 mm/min | 45 | MPa | ISO 527 |
| Tensile Strain, yield, 50 mm/min | 1.8 | % | ISO 527 |
| Tensile Strain, break, 50 mm/min | 1.8 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 2600 | MPa | ISO 527 |
| Flexural Stress, yield, 2 mm/min | 81 | MPa | ISO 178 |
| Flexural Modulus, 2 mm/min | 2290 | MPa | ISO 178 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, unnotched, 23°C | 890 | J/m | ASTM D 4812 |
| Izod Impact, notched, 23°C | 28 | J/m | ASTM D 256 |
| Instrumented Impact Total Energy, 23°C | 5 | J | ASTM D 3763 |
| Izod Impact, unnotched 80*10*4 +23°C | 35 | kJ/m² | ISO 180/1U |
| Izod Impact, notched 80*10*4 +23°C | 2 | kJ/m² | ISO 180/1A |
| Charpy 23°C, V-notch Edgew 80*10*4 sp=62mm | 7 | kJ/m² | ISO 179/1eA |
| THERMAL | Value | Unit | Standard |
| HDT, 0.45 MPa, 3.2 mm, unannealed | 104 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 3.2mm, unannealed | 48 | °C | ASTM D 648 |
| CTE, -40°C to 40°C, flow | 8.5E-05 | 1/°C | ISO 11359-2 |
| CTE, -40°C to 40°C, xflow | 8.5E-05 | 1/°C | ISO 11359-2 |
| Vicat Softening Temp, Rate B/50 | 178 | °C | ISO 306 |
| Vicat Softening Temp, Rate B/120 | 177 | °C | ISO 306 |
| HDT/Bf, 0.45 MPa Flatw 80*10*4 sp=64mm | 113 | °C | ISO 75/Bf |
| HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm | 51 | °C | ISO 75/Af |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.32 | - | ASTM D 792 |
| Mold Shrinkage, flow, 3.2 mm | 1.5 - 1.8 | % | S-Plastics Method |
| Mold Shrinkage, xflow, 3.2 mm | 1.6 - 2 | % | S-Plastics Method |
| Melt Flow Rate, 250°C/1.2 kgf | 127 | g/10 min | ASTM D 1238 |
| Melt Viscosity | 0 | Pa-s | S-Plastics Method |
| Density | 1.31 | g/cm³ | ISO 1183 |
| Water Absorption, (23°C/sat) | 0.08 | % | ISO 62 |
| Moisture Absorption (23°C / 50% RH) | 0.07 | % | ISO 62 |
| Melt Volume Rate, MVR at 250°C/1.2 kg | 127 | cm³/10 min | ISO 1133 |
| Melt Volume Rate, MVR at 250°C/2.16 kg | 231 | cm³/10 min | ISO 1133 |
| Source GMD, last updated:02/06/2008 | |||
| Parameter | ||
| Compounding Extrusion | Value | Unit |
| Drying Temperature | 110 - 120 | °C |
| Drying Time | 4 - 6 | hrs |
| Drying Time (Cumulative) | 8 | hrs |
| Maximum Moisture Content | 0 | % |
| Melt Temperature | 245 - 260 | °C |
| Barrel - Zone 1 Temperature | 200 - 230 | °C |
| Barrel - Zone 2 Temperature | 240 - 255 | °C |
| Barrel - Zone 3 Temperature | 240 - 275 | °C |
| Barrel - Zone 4 Temperature | 240 - 275 | °C |
| Adapter Temperature | 240 - 275 | °C |
| Die Temperature | 240 - 275 | °C |
| Waterbath Temperature | 25 - 35 | °C |
| Source GMD, last updated:02/06/2008 | ||
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For more information please download the datasheet |
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S-Plastics Valox NBV350.pdf |
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