Celanese Celanex® 7716 PBT, 35% Mineral / Glass Reinforced

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Celanese Celanex® 7716 PBT, 35% Mineral / Glass Reinforced
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Glass + Mineral Filled
Material Notes:	Celanex 7716 is a 35% glass/mineral reinforced, non exuding, flame retarded polybutylene terephthlate which has and excellent balance of mechanical properties and processability. Celanex 7716 is well suited for electrical applications where warp resistance or very flat surfaces are required. Information provided by Celanese
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Physical Properties	Metric	English	Comments

Specific Gravity	1.69 g/cc	1.69 g/cc	ASTM D792
Density	1.69 g/cc	0.0611 lb/in³	ISO 1183
Moisture Absorption	0.100 %	0.100 %	23°C/50%RH; ISO 62
Linear Mold Shrinkage, Flow	0.0025 - 0.0045 cm/cm	0.0025 - 0.0045 in/in	ISO 294-4
	0.0020 - 0.0050 cm/cm	0.0020 - 0.0050 in/in	ASTM D955
Linear Mold Shrinkage, Transverse	0.0060 - 0.0080 cm/cm	0.0060 - 0.0080 in/in	ISO 294-4

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	77.2 MPa	11200 psi	ASTM D638
	83.0 MPa	12000 psi	5mm/min; ISO 527-2/1A
Elongation at Break	1.6 %	1.6 %	5mm/min; ISO 527-2/1A
Tensile Modulus	10.8 GPa	1570 ksi	50mm/min; ISO 527-2/1A
Flexural Strength	131.6 MPa	19090 psi	ASTM D790
	140 MPa	20300 psi	ISO 178
Flexural Modulus	7.93 GPa	1150 ksi	ASTM D790
	11.65 GPa	1690 ksi	ISO 178
Izod Impact, Notched	0.587 J/cm	1.10 ft-lb/in	ASTM D256
Izod Impact, Notched (ISO)	4.50 kJ/m² @Temperature -30.0 °C	2.14 ft-lb/in² @Temperature -22.0 °F	ISO 180/1A
	19.0 kJ/m² @Temperature 23.0 °C	9.04 ft-lb/in² @Temperature 73.4 °F	ISO 180/1U
Charpy Impact Unnotched	2.20 J/cm²	10.5 ft-lb/in²	ISO 179/1eU
	2.10 J/cm² @Temperature -30.0 °C	9.99 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eU
Charpy Impact, Notched	0.500 J/cm²	2.38 ft-lb/in²	ISO 179/1eA
	0.500 J/cm² @Temperature -30.0 °C	2.38 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eA

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+16 ohm-cm	1.00e+16 ohm-cm	ASTM D257
	2.00e+16 ohm-cm	2.00e+16 ohm-cm	IEC 60093
Surface Resistance	5.00e+16 ohm	5.00e+16 ohm	IEC 60093
Dielectric Constant	3.6 @Frequency 1e+6 Hz	3.6 @Frequency 1e+6 Hz	ASTM D150
	3.9 @Frequency 1e+6 Hz	3.9 @Frequency 1e+6 Hz	IEC 60250
	4.2 @Frequency 100 Hz	4.2 @Frequency 100 Hz	IEC 60250
Dielectric Strength	24.0 kV/mm	610 kV/in	IEC 60243-1
	26.4 kV/mm	670 kV/in	short term; ASTM D149
Dissipation Factor	0.010 @Frequency 1e+6 Hz	0.010 @Frequency 1e+6 Hz	ASTM D150
	0.019 @Frequency 1e+6 Hz	0.019 @Frequency 1e+6 Hz	IEC 60250
Arc Resistance	124 sec	124 sec	ASTM D495
Comparative Tracking Index	200 V	200 V	IEC 60112
	250 V	250 V	ASTM D3638

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	31.0 µm/m-°C	17.2 µin/in-°F	ISO 11359-2
CTE, linear, Transverse to Flow	46.0 µm/m-°C	25.6 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)	214 °C	417 °F	ASTM D648
	222 °C	432 °F	ISO 75-1, -2
Deflection Temperature at 1.8 MPa (264 psi)	191 °C	376 °F	ASTM D648
	194 °C	381 °F	ISO 75-1, -2
Glass Transition Temp, Tg	60.0 °C	140 °F	ISO 11357-1,-2,-3
Flammability, UL94	V-0	V-0
	V-0 @Thickness 0.900 mm	V-0 @Thickness 0.0354 in

Processing Properties	Metric	English	Comments
Processing Temperature	65.0 - 96.0 °C	149 - 205 °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 - 255 °C	464 - 491 °F
Die Temperature	240 - 255 °C	464 - 491 °F
Melt Temperature	235 - 255 °C	455 - 491 °F
	260 °C	500 °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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