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LNP (SABIC Innovative Plastics) VALOX® SMV5837 Polybutylene Terephthalate, 20% Glass Bead Reinforcement
Subcategory: Filled/Reinforced Thermoplastic; Polybutylene Terephthalate (PBT); Polyester, TP; Polymer; Thermoplastic
Close Analogs: Saudi Basic Industries Corporation (SABIC) announced on August 31st, 2007, the completion of its purchase of GE Plastics.
Material Notes:
Will be VGB5820.
- Forms: Pellets
- Processing Method: Injection Molding
| Physical Properties | Metric | English | Comments | |
| ||||
| Specific Gravity | 1.46 g/cc | 0.0527 lb/in³ | ASTM D792 | |
| Linear Mold Shrinkage | 0.016 - 0.019 cm/cm | 0.016 - 0.019 in/in | 3.18 mm; ASTM D955 | |
| Linear Mold Shrinkage, Transverse | 0.018 - 0.02 cm/cm | 0.018 - 0.02 in/in | 3.18 mm; ASTM D955 | |
Mechanical Properties | ||||
| ||||
| Tensile Strength at Break | 40.7 MPa | 5900 psi | Type I, 5 mm/min; ASTM D638 | |
| Tensile Strength at Break | 48.3 MPa | 7010 psi | Type I, 50 mm/min; ASTM D638 | |
| Tensile Strength, Yield | 46.9 MPa | 6800 psi | Type I, 5 mm/min; ASTM D638 | |
| Tensile Strength, Yield | 51.7 MPa | 7500 psi | Type I, 50 mm/min; ASTM D638 | |
| Elongation at Break | 16 % | 16 % | Type I, 5 mm/min; ASTM D638 | |
| Flexural Modulus | 3.21 GPa | 466 ksi | (50.8 mm Span) 1mm/min; ASTM D790 | |
| Flexural Yield Strength | 93.1 MPa | 13500 psi | (50.8 mm Span) 1mm/min; ASTM D790 | |
| Izod Impact, Notched | 0.32 J/cm | 0.599 ft-lb/in | ASTM D256 | |
| Izod Impact, Notched | 3.6 J/cm | 6.74 ft-lb/in | Reverse; ASTM D256 | |
| Izod Impact, Unnotched | 5.34 J/cm | 10 ft-lb/in | ASTM D256 | |
Thermal Properties | ||||
| ||||
| CTE, linear 20°C | 140 µm/m-°C | 77.8 µin/in-°F | 60°C to 138°C; ASTM D696 | |
| CTE, linear 20°C | 65 µm/m-°C | 36.1 µin/in-°F | -40°C to 38°C; ASTM D696 | |
| CTE, linear 20°C Transverse to Flow | 150 µm/m-°C | 83.3 µin/in-°F | 60°C to 138°C; ASTM D696 | |
| CTE, linear 20°C Transverse to Flow | 68 µm/m-°C | 37.8 µin/in-°F | -40°C to 38°C; ASTM D696 | |
| Deflection Temperature at 1.8 MPa (264 psi) | 70 °C | 158 °F | Unannealed (6.35 mm); ASTM D648 | |
Processing Properties | ||||
| ||||
| Rear Barrel Temperature | 243 - 254 °C | 469 - 489 °F | ||
| Middle Barrel Temperature | 249 - 260 °C | 480 - 500 °F | ||
| Front Barrel Temperature | 254 - 266 °C | 489 - 511 °F | ||
| Nozzle Temperature | 254 - 271 °C | 489 - 520 °F | ||
| Melt Temperature | 254 - 277 °C | 489 - 531 °F | ||
| Mold Temperature | 65.6 - 93.3 °C | 150 - 200 °F | ||
| Drying Temperature | 121 °C | 250 °F | ||
| Dry Time | 3 - 12 hour | 3 - 12 hour | ||
| Moisture Content | 0.02 % | 0.02 % | Suggested | |
| Back Pressure | 0.345 - 0.689 MPa | 50 - 99.9 psi | ||
| Clamp Pressure | 41 - 83 MPa | 5950 - 12000 psi | ||
| Shot Size | 40 - 80 % | 40 - 80 % | Suggested | |
| Vent Depth | 0.0025 - 0.0038 cm | 0.000984 - 0.0015 in | ||
| Screw Speed | 50 - 80 rpm | 50 - 80 rpm | ||
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