Celanese Celanex® 2004-2 PBT, Unfilled

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Celanese Celanex® 2004-2 PBT, Unfilled
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	Celanex 2004-2 is an unfilled polyester that has an excellent combination of flowability and toughness. A typical application for Celanex 2004-2 is electrical connectors containing latches. Celanex 2004-2 contains an internal lubricant. Information provided by Celanese
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Physical Properties	Metric	English	Comments

Specific Gravity	1.30 g/cc	1.30 g/cc	ASTM D792
Density	1.30 g/cc	0.0470 lb/in³	ISO 1183
Linear Mold Shrinkage, Flow	0.018 - 0.020 cm/cm	0.018 - 0.020 in/in	ISO 294-4
Melt Flow	33 g/10 min @Load 2.16 kg, Temperature 250 °C	33 g/10 min @Load 4.76 lb, Temperature 482 °F	[cm3/10min]; ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	53.1 MPa	7700 psi	ASTM D638
	54.0 MPa	7830 psi	50mm/min; ISO 527-2/1A
Elongation at Break	37 %	37 %
	180 %	180 %	ASTM D638
Elongation at Yield	3.9 %	3.9 %	ASTM D638
	8.0 %	8.0 %	50mm/min; ISO 527-2/1A
Tensile Modulus	2.40 GPa	348 ksi	50mm/min; ISO 527-2/1A
Flexural Strength	69.0 MPa	10000 psi	ISO 178
	82.7 MPa	12000 psi	ASTM D790
Flexural Modulus	2.30 GPa	334 ksi	ISO 178
	2.48 GPa	360 ksi	ASTM D790
Izod Impact, Notched	0.481 J/cm	0.900 ft-lb/in	ASTM D256
Izod Impact, Notched (ISO)	4.60 kJ/m² @Temperature -30.0 °C	2.19 ft-lb/in² @Temperature -22.0 °F	ISO 180/1A
	NB @Temperature 23.0 °C	NB @Temperature 73.4 °F	ISO 180/1U
Charpy Impact Unnotched	21.8 J/cm²	104 ft-lb/in²	partial break; ISO 179/1eU
	4.50 J/cm² @Temperature -30.0 °C	21.4 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eU
Charpy Impact, Notched	0.450 J/cm²	2.14 ft-lb/in²	ISO 179/1eA
	0.450 J/cm² @Temperature -30.0 °C	2.14 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eA

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+15 ohm-cm	>= 1.00e+15 ohm-cm	IEC 60093
	1.20e+17 ohm-cm	1.20e+17 ohm-cm	ASTM D257
Surface Resistance	>= 1.00e+15 ohm	>= 1.00e+15 ohm	IEC 60093
Dielectric Constant	3.33 @Frequency 1e+6 Hz	3.33 @Frequency 1e+6 Hz	ASTM D150
	3.5 @Frequency 1e+6 Hz	3.5 @Frequency 1e+6 Hz	IEC 60250
	3.7 @Frequency 100 Hz	3.7 @Frequency 100 Hz	IEC 60250
Dielectric Strength	15.4 kV/mm	390 kV/in	short term; ASTM D149
Dissipation Factor	0.0030 @Frequency 100 Hz	0.0030 @Frequency 100 Hz	IEC 60250
	0.021 @Frequency 1e+6 Hz	0.021 @Frequency 1e+6 Hz	IEC 60250
	0.021 @Frequency 1e+6 Hz	0.021 @Frequency 1e+6 Hz	ASTM D150
Arc Resistance	181 sec	181 sec	ASTM D495

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	110 µm/m-°C	61.1 µin/in-°F	ISO 11359-2
Melting Point	225 °C	437 °F	10°C/min; ISO 11357-1,-2,-3
	225 °C	437 °F	ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	162 °C	324 °F	ASTM D648
	166 °C	331 °F	ISO 75-1, -2
Deflection Temperature at 1.8 MPa (264 psi)	54.0 °C	129 °F	ISO 75-1, -2
	56.1 °C	133 °F	ASTM D648
Vicat Softening Point	175 °C	347 °F	ISO 306
Glass Transition Temp, Tg	60.0 °C	140 °F	ISO 11357-1,-2,-3
Flammability, UL94	HB	HB
	HB @Thickness 1.00 mm	HB @Thickness 0.0394 in

Processing Properties	Metric	English	Comments
Processing Temperature	65.0 - 93.0 °C	149 - 199 °F	cavity
	250 - 260 °C	482 - 500 °F	hot runner
Feed Temperature	230 - 240 °C	446 - 464 °F
Zone 1	230 - 240 °C	446 - 464 °F
Zone 2	235 - 250 °C	455 - 482 °F
Zone 3	235 - 250 °C	455 - 482 °F
Zone 4	240 - 260 °C	464 - 500 °F
Die Temperature	250 - 260 °C	482 - 500 °F
Melt Temperature	235 - 260 °C	455 - 500 °F
	250 °C	482 °F	ISO 294
Mold Temperature	82.0 °C	180 °F	ISO 294
Injection Velocity	300 mm/sec	11.8 in/sec	ISO 294
Drying Temperature	120 - 130 °C	248 - 266 °F
Dry Time	4.00 hour	4.00 hour
Moisture Content	<= 0.020 %	<= 0.020 %
Hold Pressure	48.0 MPa	6960 psi	ISO 294

Descriptive Properties
Injection molding	Yes
Injection speed	medium-fast
Processing conditions acc. ISO	7792

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.

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