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Elmet Technologies

DuPont Mobility and Materials Crastin® CE3054 BK580 PBT  (discontinued **)
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Unreinforced, Molded

Material Notes:

While this product line has been acquired by Celanese, this specific grade had been disconued while still a DuPont product so it is listed here as a discontinued DuPont product.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.31 g/cc0.0473 lb/in³ISO 1183
Linear Mold Shrinkage, Flow 0.019 cm/cm0.019 in/inISO 294-4, 2577
 0.020 cm/cm0.020 in/inannealed; ISO 294-4
Linear Mold Shrinkage, Transverse 0.019 cm/cm0.019 in/inISO 294-4, 2577
 0.020 cm/cm0.020 in/inannealed; ISO 294-4
Melt Flow 34 g/10 min
@Load 2.16 kg,
Temperature 250 °C
34 g/10 min
@Load 4.76 lb,
Temperature 482 °F
ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 57.0 MPa8270 psiISO 527-1/-2
Elongation at Yield 10 %10 %ISO 527-1/-2
Tensile Modulus 2.60 GPa377 ksiISO 527-1/-2
Flexural Modulus 2.50 GPa363 ksiISO 178
Poissons Ratio 0.380.38CE3054 BK580
Izod Impact, Unnotched (ISO)  3.80 kJ/m²
@Temperature -40.0 °C
1.81 ft-lb/in²
@Temperature -40.0 °F
ISO 180/1A
 4.20 kJ/m²
@Temperature 23.0 °C
2.00 ft-lb/in²
@Temperature 73.4 °F
ISO 180/1A
Charpy Impact Unnotched 27.6 J/cm²
@Temperature 23.0 °C
131 ft-lb/in²
@Temperature 73.4 °F
ISO 179/1eU
Charpy Impact, Notched  0.290 J/cm²
@Temperature -40.0 °C
1.38 ft-lb/in²
@Temperature -40.0 °F
ISO 179/1eA
 0.340 J/cm²
@Temperature 23.0 °C
1.62 ft-lb/in²
@Temperature 73.4 °F
ISO 179/1eA
 
Thermal PropertiesMetricEnglishComments
Melting Point 223 °C433 °F10°C/min; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi) 147 °C297 °FISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 54.0 °C129 °FISO 75-1/-2
 65.0 °C149 °Fannealed; ISO 75-1/-2
 
Processing PropertiesMetricEnglishComments
Melt Temperature 240 - 260 °C464 - 500 °FInjection
 250 °C482 °FInjection Optimum
Mold Temperature 30.0 - 130 °C86.0 - 266 °FInjection
 80.0 °C176 °FInjection Optimum
Ejection Temperature 170 °C338 °FInjection
Drying Temperature 120 °C248 °FInjection
Dry Time 2.00 - 4.00 hour2.00 - 4.00 hourDehumidified Dryer; Injection
Moisture Content 0.040 %0.040 %Injection
Hold Pressure 60.0 MPa8700 psiInjection
 
Descriptive Properties
Back pressureAs low as possibleInjection
Drying RecommendedyesInjection
FMVSS ClassSEISO 3795 (FMVSS 302)
Hold pressure time (s/mm)4Injection
Part Marking Code>PBT<ISO 11469
ProcessingInjection Molding
Regional AvailabilityAsia Pacific
Resin IdentificationPBTISO 1043

**
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PDSX5008a / 200071

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