| Category | Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) | 
| Manufacturer | DuPont Performance Polymers | 
| Trade Name | Crastin® | 
| Port | Shanghai port,China | 
| Trade Terms | FOB, CFR, CIF | 
| Payment Terms | L/C, T/T, Western Union | 
| Download PDF | DuPont Performance Polymers Crastin® S620F20 BK851 Polybutylene Terephthalate (PBT)
      
      
       (Unverified Data**)&l.pdf  | 
| Price | EMAIL US sales@lookpolymers.com | 
| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Density | 1.31 g/cc | 0.0473 lb/in³ | ISO 1183 | 
| Mechanical Properties | Metric | English | Comments | 
|---|---|---|---|
| Tensile Strength, Yield | 59.0 MPa | 8560 psi | ISO 527-1/-2 | 
| Elongation at Break | 30 % | 30 % | Nominal; ISO 527-1/-2 | 
| Elongation at Yield | 8.0 % | 8.0 % | ISO 527-1/-2 | 
| Tensile Modulus | 2.60 GPa | 377 ksi | ISO 527-1/-2 | 
| Flexural Strength | 88.0 MPa | 12800 psi | ISO 178 | 
| Izod Impact, Notched (ISO) | 4.00 kJ/m² | 1.90 ft-lb/in² | ISO 180/1A | 
| Charpy Impact, Notched | 0.400 J/cm² | 1.90 ft-lb/in² | ISO 179/1eA | 
| Thermal Properties | Metric | English | Comments | 
|---|---|---|---|
| Melting Point | 225 °C | 437 °F | 10°C/min; ISO 11357-1/-3 | 
| Flammability, UL94 | HB @Thickness 1.50 mm | HB @Thickness 0.0591 in | IEC 60695-11-10 | 
| Electrical Properties | Metric | English | Comments | 
|---|---|---|---|
| Comparative Tracking Index | 250 V | 250 V | IEC 60112 | 
| Descriptive Properties | Value | Comments | 
|---|---|---|
| Part Marking Code | >PBT< | ISO 11469 | 
| Processing | Injection Moulding | |
| Regional Availability | Asia Pacific | |
| Europe | ||
| Global | ||
| Near East/Africa | ||
| North America | ||
| South and Central America | ||
| Resin Identification | PBT |