Celanese Celanex® 2016 PBT, Unfilled

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Celanese Celanex® 2016 PBT, Unfilled
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	Celanex 2016 is a non-exuding flame retarded (UL and CSA approved V-0 at 1/32 inch and 5V at 1/8 inch), unreinforced polybutylene terephthalate which has an excellent balance of mechanical properties and processability. It is well suited for electrical connector applications where UL approved 50% regrind use capability makes maximum use of purchased product. Information provided by Celanese
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Physical Properties	Original Value	Comments

Specific Gravity	1.44 g/cc	ASTM D792
Density	1.44 g/cc	ISO 1183
Water Absorption	0.070 % @Temperature 22.8 °C	24hr immersion; ASTM D570
Moisture Absorption	0.170 %	23°C/50%RH; ISO 62
Linear Mold Shrinkage, Flow	0.012 - 0.016 cm/cm	ISO 294-4
	0.025 - 0.030 cm/cm	ASTM D955
Linear Mold Shrinkage, Transverse	0.012 - 0.016 cm/cm	ISO 294-4
Melt Flow	25 g/10 min	ASTM D1238
	18 g/10 min @Load 2.16 kg, Temperature 250 °C	[cm3/10min]; ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	79	ISO 2039-2
Tensile Strength, Yield	60.0 MPa	50mm/min; ISO 527-2/1A
	8600 psi	ASTM D638
Elongation at Break	10 %
	20 %	ASTM D638
Elongation at Yield	3.0 %	50mm/min; ISO 527-2/1A
Tensile Modulus	3000 MPa	50mm/min; ISO 527-2/1A
Flexural Strength	95.0 MPa	ISO 178
	15400 psi	ASTM D790
Flexural Modulus	3100 MPa	ISO 178
	477000 psi	ASTM D790
Izod Impact, Notched	0.600 ft-lb/in	ASTM D256
Izod Impact, Notched (ISO)	4.50 kJ/m²	ISO 180/1A
Charpy Impact Unnotched	55.0 kJ/m²	ISO 179/1eU
	55.0 kJ/m² @Temperature -30.0 °C	ISO 179/1eU
Charpy Impact, Notched	4.00 kJ/m²	ISO 179/1eA
	4.50 kJ/m² @Temperature -30.0 °C	ISO 179/1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+15 ohm-cm	IEC 60093
	2.00e+16 ohm-cm	ASTM D257
Surface Resistance	1.00e+15 ohm	IEC 60093
Dielectric Constant	3.0 @Frequency 1e+6 Hz	ASTM D150
	3.5 @Frequency 1e+6 Hz	IEC 60250
	3.6 @Frequency 100 Hz	IEC 60250
Dielectric Strength	25.0 kV/mm	IEC 60243-1
	700 V/mil	short term; ASTM D149
Dissipation Factor	0.0047 @Frequency 100 Hz	IEC 60250
	0.010 @Frequency 1e+6 Hz	ASTM D150
	0.0185 @Frequency 1e+6 Hz	IEC 60250
Arc Resistance	96 sec	ASTM D495
Comparative Tracking Index	250 V	IEC 60112
	325 V	ASTM D3638

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	63.0 µm/m-°C	ISO 11359-2
CTE, linear, Transverse to Flow	77.0 µm/m-°C	ISO 11359-2
Melting Point	225 °C	10°C/min; ISO 11357-1,-2,-3
	437 °F	ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	165 °C	ISO 75-1, -2
	328 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	68.0 °C	ISO 75-1, -2
	158 °F	ASTM D648
Vicat Softening Point	190 °C	ISO 306
Glass Transition Temp, Tg	60.0 °C	ISO 11357-1,-2,-3
Flammability, UL94	V-0
	5VA @Thickness 3.00 mm
Oxygen Index	30 %	ISO 4589

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 - 255 °C
Die Temperature	250 - 255 °C
Melt Temperature	243 °C	ISO 294
	235 - 255 °C
Mold Temperature	82.0 °C	ISO 294
Injection Velocity	300 mm/sec	ISO 294
Drying Temperature	120 - 130 °C
Dry Time	4.00 hour
Moisture Content	<= 0.020 %
Hold Pressure	48.0 MPa	ISO 294

Descriptive Properties
Injection molding	Yes
Injection speed	medium-fast
Processing conditions acc. ISO	7792-2

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