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Evonik Vestodur® X7347 nf PBT  (discontinued **)
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Flame Retardant
Material Notes: Flame resistant, medium viscosity, impact resistant PBT-Resin with higher tracking reference number for injection molding.

Applications: Electrical and electronics industries.

ISO data as provided by the manufacturer.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.42 g/cc0.0513 lb/in³
Water Absorption 0.00 %0.00 %
Melt Flow 50 g/10 min50 g/10 min
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 40.0 MPa5800 psi
Elongation at Break 30 %30 %
Elongation at Yield 3.0 %3.0 %
Modulus of Elasticity 2.20 GPa319 ksi
Charpy Impact Unnotched NBNB
 20.0 J/cm²
@Temperature -30.0 °C		95.2 ft-lb/in²
@Temperature -22.0 °F
Charpy Impact, Notched 1.40 J/cm²6.66 ft-lb/in²
 0.800 J/cm²
@Temperature -30.0 °C		3.81 ft-lb/in²
@Temperature -22.0 °F
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity >= 1.00e+15 ohm-cm>= 1.00e+15 ohm-cm
Surface Resistance 1.00e+13 ohm1.00e+13 ohm
Dielectric Constant  3.0
@Frequency 100 Hz		3.0
@Frequency 100 Hz
 3.0
@Frequency 1e+6 Hz		3.0
@Frequency 1e+6 Hz
Dielectric Strength 25.0 kV/mm635 kV/in
Dissipation Factor  0.0075
@Frequency 100 Hz		0.0075
@Frequency 100 Hz
 0.025
@Frequency 1e+6 Hz		0.025
@Frequency 1e+6 Hz
Comparative Tracking Index 600 V600 V
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 100 µm/m-°C
@Temperature 20.0 °C		55.6 µin/in-°F
@Temperature 68.0 °F
CTE, linear, Transverse to Flow 100 µm/m-°C
@Temperature 20.0 °C		55.6 µin/in-°F
@Temperature 68.0 °F
Deflection Temperature at 0.46 MPa (66 psi) 170 °C338 °F
Deflection Temperature at 1.8 MPa (264 psi) 60.0 °C140 °F
Vicat Softening Point 175 °C347 °F50°C/hr/50 N
Flammability, UL94 V-0
@Thickness 1.60 mm		V-0
@Thickness 0.0630 in

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PHUM38 / 47471

Specialty Compounds RTP Company




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