Celanese Celanex® XFR 6842 GF20 PBT, 30% Glass Reinforced

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Celanese Celanex® XFR 6842 GF20 PBT, 30% Glass Reinforced
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled
Material Notes:	Celanex XFR 6842 GF20 is a halogen and antimony free flame retardant (V-0 @ 0.4 mm) 20% glass reinforced PBT grade with good processability and no corrosive emissions during processing. It is suitable for parts requiring enhanced tracking resistance, tou Information provided by Celanese Corporation.
Key Words:	Halogen Free, 20% glass filled, flame retardant PBT
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Physical Properties	Metric	English	Comments

Density	1.45 g/cc	0.0524 lb/in³	ISO 1183
Linear Mold Shrinkage, Flow	0.0030 - 0.0050 cm/cm	0.0030 - 0.0050 in/in	ISO 294-4
Linear Mold Shrinkage, Transverse	0.0090 - 0.012 cm/cm	0.0090 - 0.012 in/in	ISO 294-4

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	82	82	ISO 2039-2
Tensile Strength at Break	88.0 MPa	12800 psi	5mm/min; ISO 527-2/1A
Elongation at Break	2.7 %	2.7 %	5mm/min; ISO 527-2/1A
Tensile Modulus	6.90 GPa	1000 ksi	1mm/min; ISO 527-2/1A
Izod Impact, Notched (ISO)	6.90 kJ/m²	3.28 ft-lb/in²	ISO 180/1A
Charpy Impact Unnotched	3.50 J/cm²	16.7 ft-lb/in²	ISO 179/1eU
Charpy Impact, Notched	0.620 J/cm²	2.95 ft-lb/in²	ISO 179/1eA

Electrical Properties	Metric	English	Comments
Volume Resistivity	2.00e+14 ohm-cm	2.00e+14 ohm-cm	IEC 60093
Surface Resistance	6.00e+16 ohm	6.00e+16 ohm	IEC 60093
Dielectric Constant	3.4 @Frequency 1e+6 Hz	3.4 @Frequency 1e+6 Hz	IEC 60250
Dissipation Factor	0.014 @Frequency 1e+6 Hz	0.014 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	450 V	450 V	IEC 60112

Thermal Properties	Metric	English	Comments
Melting Point	225 °C	437 °F	ISO 11357-1,-2,-3
Deflection Temperature at 1.8 MPa (264 psi)	196 °C	385 °F	ISO 75-1, -2
Vicat Softening Point	206 °C	403 °F	B50 (50°C/h 50N); ISO 306
Flammability, UL94	V-0 @Thickness 0.400 mm	V-0 @Thickness 0.0157 in

Descriptive Properties
Melt volume rate (MVR), cm³/10min	5.6
MVR test load, kg	2.16
MVR test temperature, °C	250

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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PHCS109 / 123524

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