Celanese Celanex® 3425HRT PBT, Glass Reinforced

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Celanese Celanex® 3425HRT PBT, Glass Reinforced
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Glass Filled, Impact Modified
Material Notes:	Celanex 3425HRT is a non-lubricated, 40% fiberglass reinforced PBT copolymer that has excellent hydrolysis resistance, toughness, improved flow, and improved elongation at break. Information provided by Celanese
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Physical Properties	Original Value	Comments

Density	1.58 g/cc	ISO 1183
Moisture Absorption	0.120 %	23°C/50%RH; ISO 62
Linear Mold Shrinkage, Flow	0.00 - 0.0050 cm/cm	ISO 294-4
	0.020 - 0.040 cm/cm	ASTM D955
Linear Mold Shrinkage, Transverse	0.0060 - 0.0090 cm/cm	ISO 294-4

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	107 MPa	5mm/min; ISO 527-2/1A
Elongation at Break	3.0 %	5mm/min; ISO 527-2/1A
Tensile Modulus	9100 MPa	50mm/min; ISO 527-2/1A
Flexural Strength	165 MPa	ISO 178
Flexural Modulus	8500 MPa	ISO 178
Izod Impact, Notched (ISO)	11.0 kJ/m²	ISO 180/1A
Charpy Impact Unnotched	53.0 kJ/m²	ISO 179/1eU
	44.0 kJ/m² @Temperature -30.0 °C	ISO 179/1eU
Charpy Impact, Notched	11.0 kJ/m²	ISO 179/1eA
	9.40 kJ/m² @Temperature -30.0 °C	ISO 179/1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+16 ohm-cm	IEC 60093
Surface Resistance	3.00e+17 ohm	IEC 60093
Dielectric Constant	4.13 @Frequency 1e+6 Hz	IEC 60250
	4.21 @Frequency 100 Hz	IEC 60250
Dielectric Strength	31.0 kV/mm	IEC 60243-1
Dissipation Factor	0.020 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	375 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	20.0 µm/m-°C	ISO 11359-2
CTE, linear, Transverse to Flow	116 µm/m-°C	ISO 11359-2
Melting Point	225 °C	10°C/min; ISO 11357-1,-2,-3
Deflection Temperature at 0.46 MPa (66 psi)	202 °C	ISO 75-1, -2
Deflection Temperature at 1.8 MPa (264 psi)	175 °C	ISO 75-1, -2
Glass Transition Temp, Tg	20.0 °C	ISO 11357-1,-2,-3

Processing Properties	Original Value	Comments
Processing Temperature	65.0 - 93.0 °C	cavity
	250 - 260 °C	hot runner
Feed Temperature	230 - 240 °C
Zone 1	230 - 240 °C
Zone 2	235 - 250 °C
Zone 3	235 - 250 °C
Zone 4	240 - 260 °C
Die Temperature	250 - 260 °C
Melt Temperature	235 - 260 °C

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 go back to viewing the property data in MatWeb's normal format.

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PHCQ062 / 178517

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