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SABIC Innovative Plastics Valox® 4521 PBT
| Category | Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) |
| Manufacturer | SABIC Innovative Plastics (GE Plastics) |
| Trade Name | Valox® |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | SABIC Innovative Plastics Valox® 4521 PBT.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
VALOX 4521 is a high flow, 20% glass reinforced flame retardant PBT injection moulding resin. Applications: electrical applications
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.53 g/cc | 1.53 g/cc | ASTM D792 |
| Linear Mold Shrinkage, Flow | 0.0030 - 0.0070 cm/cm @Thickness 3.20 mm |
0.0030 - 0.0070 in/in @Thickness 0.126 in |
SABIC Method |
| Linear Mold Shrinkage, Transverse | 0.0060 - 0.0090 cm/cm @Thickness 3.20 mm |
0.0060 - 0.0090 in/in @Thickness 0.126 in |
SABIC Method |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength at Break | 91.0 MPa | 13200 psi | Type I, 5 mm/min; ASTM D638 |
| Tensile Strength, Yield | 89.0 MPa | 12900 psi | Type I, 5 mm/min; ASTM D638 |
| Elongation at Break | 2.5 % | 2.5 % | Type I, 5 mm/min; ASTM D638 |
| Elongation at Yield | 2.4 % | 2.4 % | Type I, 5 mm/min; ASTM D638 |
| Tensile Modulus | 3.51 GPa | 509 ksi | 5 mm/min; ASTM D638 |
| Flexural Strength | 137 MPa | 19900 psi | 1.3 mm/min, 50 mm span; ASTM D790 |
| Flexural Modulus | 4.96 GPa | 719 ksi | 1.3 mm/min, 50 mm span; ASTM D790 |
| Izod Impact, Notched | 0.420 J/cm | 0.787 ft-lb/in | ASTM D256 |
| Izod Impact, Unnotched | 4.80 J/cm | 8.99 ft-lb/in | ASTM D4812 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| Deflection Temperature at 0.46 MPa (66 psi) | 218 °C @Thickness 3.20 mm |
424 °F @Thickness 0.126 in |
unannealed; ASTM D648 |
| Deflection Temperature at 1.8 MPa (264 psi) | 205 °C @Thickness 3.20 mm |
401 °F @Thickness 0.126 in |
unannealed; ASTM D648 |
| UL RTI, Electrical | 130 °C | 266 °F | UL 746B |
| UL RTI, Mechanical with Impact | 130 °C | 266 °F | UL 746B |
| UL RTI, Mechanical without Impact | 130 °C | 266 °F | UL 746B |
| Flammability, UL94 | V-0 @Thickness 0.760 mm |
V-0 @Thickness 0.0299 in |
UL 94 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Arc Resistance | 120 - 180 sec | 120 - 180 sec | Tungsten; ASTM D495 |
| Comparative Tracking Index | 250 - 400 V | 250 - 400 V | UL 746A |
| Hot Wire Ignition, HWI | >= 120 sec | >= 120 sec | UL 746A |
| High Amp Arc Ignition, HAI | >= 120 arcs | >= 120 arcs | UL 746A |
| High Voltage Arc-Tracking Rate, HVTR | >= 150 mm/min | >= 5.91 in/min | UL 746A |
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