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Ensinger PEI

Celanese Rynite® 545K BK504 PET-GF45
Categories: Polymer; Thermoplastic; Polyester, TP; Polyethylene Terephthalate (PET); Polyethylene Terephthalate (PET), 50% Glass Reinforced

Material Notes: 45% Glass Reinforced Polyethylene Terephthalate with High Stiffness and Creep Resistance

Former DuPont product acquired by Celanese in 2022.

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Physical PropertiesMetricEnglishComments
Density 1.71 g/cc0.0618 lb/in³ISO 1183
Linear Mold Shrinkage, Flow 0.0020 cm/cm0.0020 in/inISO 294-4, 2577
Linear Mold Shrinkage, Transverse 0.0080 cm/cm0.0080 in/inISO 294-4, 2577
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 188 MPa27300 psiISO 527-1/-2
Elongation at Break 1.9 %1.9 %ISO 527-1/-2
Tensile Modulus 15.3 GPa2220 ksiISO 527-1/-2
Flexural Strength 300 MPa43500 psiISO 178
Flexural Modulus 14.4 GPa2090 ksiISO 178
Poissons Ratio 0.330.33
Charpy Impact, Notched 1.00 J/cm²
@Temperature 23.0 °C
4.76 ft-lb/in²
@Temperature 73.4 °F
ISO 179/1eA
 
Thermal PropertiesMetricEnglishComments
Melting Point 248 °C478 °F10°C/min; ISO 11357-1/-3
Deflection Temperature at 1.8 MPa (264 psi) 233 °C451 °FISO 75-1/-2
Glass Transition Temp, Tg 90.0 °C194 °F10°C/min; ISO 11357-1/-2
 
Processing PropertiesMetricEnglishComments
Melt Temperature 285 °C545 °FOptimum, Injection
 280 - 300 °C536 - 572 °FRange, Injection
Mold Temperature 130 °C266 °FOptimum, Injection
 120 - 140 °C248 - 284 °FInjection
Ejection Temperature 170 °C338 °FInjection
Drying Temperature 120 °C248 °FInjection
Dry Time 4.00 - 6.00 hour4.00 - 6.00 hourInjection, Dehumidified Dryer
Moisture Content <= 0.020 %<= 0.020 %Injection; higher temperature needed for thinner sections
 
Descriptive Properties
Drying RecommendedyesInjection
Max. screw tangential speed (m/s)0.2Injection
Part Marking Code>PET-GF45<ISO 11469
PolymerPET-GF45
Resin IdentificationPET-GF45ISO 1043

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PDSX4839 / 256288

Proto3000 – 3D Engineering Solutions

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