Celanese Celanex® XFR 6842 GF15 PBT, 30% Glass Reinforced

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Celanese Celanex® XFR 6842 GF15 PBT, 30% Glass Reinforced
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled
Material Notes:	Celanex XFR 6842 GF15 is a halogen and antimony free flame retardant (V-0 @ 0.4 mm) 15% glass reinforced PBT grade with good processability and no corrosive emissions during processing. It is suitable for parts requiring enhanced tracking resistance, toughness, and flame retardancy at < 0.75 mm wall thickness. The product is WEEE and RoHS compliant. Information provided by Celanese
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Physical Properties	Original Value	Comments

Density	1.42 g/cc	ISO 1183
Linear Mold Shrinkage, Flow	0.0050 - 0.0070 cm/cm	ISO 294-4
Linear Mold Shrinkage, Transverse	0.010 - 0.012 cm/cm	ISO 294-4
Melt Flow	6.9 g/10 min @Load 2.16 kg, Temperature 250 °C	[cm3/10min]; ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	83	ISO 2039-2
Tensile Strength at Break	79.0 MPa	5mm/min; ISO 527-2/1A
Elongation at Break	3.1 %	5mm/min; ISO 527-2/1A
Tensile Modulus	6500 MPa	50mm/min; ISO 527-2/1A
Izod Impact, Notched (ISO)	6.00 kJ/m²	ISO 180/1A
Charpy Impact Unnotched	32.0 kJ/m²	ISO 179/1eU
Charpy Impact, Notched	5.50 kJ/m²	ISO 179/1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	2.00e+16 ohm-cm	IEC 60093
Surface Resistance	1.00e+16 ohm	IEC 60093
Dielectric Constant	3.3 @Frequency 1e+6 Hz	IEC 60250
Dissipation Factor	0.015 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	425 V	IEC 60112

Thermal Properties	Original Value	Comments
Melting Point	225 °C	10°C/min; ISO 11357-1,-2,-3
Deflection Temperature at 1.8 MPa (264 psi)	194 °C	ISO 75-1, -2
Vicat Softening Point	207 °C	ISO 306
Flammability, UL94	V-0 @Thickness 0.400 mm

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PHCQ095 / 178550

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