Celanese Celanex® 2014 Flame Retarded Unreinforced Polybutylene Terephthalate

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Celanese Celanex® 2014 Flame Retarded Unreinforced Polybutylene Terephthalate
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Flame Retardant
Material Notes:	Description: Celanex 2014 is a non-exuding flame retarded (UL approved V-0 at 1/32 inch), unreinforced polybutylene terephthalate which has an excellent balance of mechanical properties and processability. It is well suited for electrical connector applications. Information provided by Celanese Corporation.
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Physical Properties	Original Value	Comments

Density	1.44 g/cc	ISO 1183 & ASTM D792
Linear Mold Shrinkage	0.023 - 0.025 cm/cm	ASTM D955

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	79	ISO 2039-2
Tensile Strength, Yield	64.0 MPa	50 mm/min; ISO 527-2/1A
Elongation at Break	12 %	50 mm/min; ISO 527-2/1A
Elongation at Yield	7.0 %	50 mm/min; ISO 527-2/1A
Tensile Modulus	3.00 GPa	1 mm/min; ISO 527-2/1A
Flexural Strength	90.0 MPa	ISO 178
Flexural Modulus	3.00 GPa	ISO 178
Izod Impact, Notched (ISO)	4.50 kJ/m²	ISO 180/1A
Charpy Impact, Notched	0.400 J/cm²	ISO 179/1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+16 ohm-cm	IEC 60093
Surface Resistance	>= 1.00e+17 ohm	IEC 60093
Dielectric Constant	3.5 @Frequency 1e+6 Hz	IEC 60250
	3.6 @Frequency 100 Hz	IEC 60250
Dielectric Strength	37.0 kV/mm	IEC 60243-1
Dissipation Factor	0.0047 @Frequency 100 Hz	IEC 60250
	0.0185 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	325 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear	139 µm/m-°C @Temperature 20.0 °C	ISO 11359-2
Melting Point	225 °C	ISO 11357-1,2,3 & ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	134 °C	ISO 75-1, -2
Deflection Temperature at 1.8 MPa (264 psi)	66.0 °C	ISO 75-1, -2
Flammability, UL94	V-0 @Thickness 0.800 mm

Processing Properties	Original Value	Comments
Rear Barrel Temperature	230 - 240 °C
Middle Barrel Temperature	235 - 250 °C
Front Barrel Temperature	240 - 255 °C
Nozzle Temperature	250 - 255 °C
Melt Temperature	235 - 255 °C
Mold Temperature	65.0 - 93.0 °C
Drying Temperature	250 °F
Dry Time	4 hour
Back Pressure	0.000 - 50.0 psi

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