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Elmet Technologies

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Celanese Celanex® 2104UV PBT, UV Resistant
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)

Material Notes: Celanex 2104UV is an unreiforced, impact modified, UV stabilized PBT designed for outdoor agricultural, industrial and automotive applications. Celanex 2104UV is suitable for injection molding applications.

Information provided by Celanese

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.31 g/ccASTM D792
Density 1.26 g/ccISO 1183
Linear Mold Shrinkage, Flow 0.018 - 0.020 cm/cmASTM D955
 0.022 - 0.033 cm/cmISO 294-4
Linear Mold Shrinkage, Transverse 0.022 - 0.033 cm/cmISO 294-4
Melt Flow 75 g/10 minASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 46.0 MPa50mm/min; ISO 527-2/1A
 8300 psiASTM D638
Elongation at Break 250 %
Elongation at Yield 10 %50mm/min; ISO 527-2/1A
Tensile Modulus 2100 MPa50mm/min; ISO 527-2/1A
Flexural Strength 63.0 MPaISO 178
 12400 psiASTM D790
Flexural Modulus 2084 MPaISO 178
 360000 psiASTM D790
Izod Impact, Notched 0.700 ft-lb/inASTM D256
Charpy Impact Unnotched NBISO 179/1eU
 NB
@Temperature -30.0 °C
ISO 179/1eU
Charpy Impact, Notched 15.0 kJ/m²ISO 179/1eA
 6.90 kJ/m²
@Temperature -30.0 °C
ISO 179/1eA
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+15 ohm-cmIEC 60093
 1.00e+16 ohm-cmASTM D257
Surface Resistance >= 1.00e+15 ohmIEC 60093
Dielectric Constant 3.2
@Frequency 1e+6 Hz
ASTM D150
 3.5
@Frequency 1e+6 Hz
IEC 60250
 4.0
@Frequency 100 Hz
IEC 60250
Dielectric Strength 23.0 kV/mmIEC 60243-1
 420 V/milshort term; ASTM D149
Dissipation Factor 0.0020
@Frequency 1e+6 Hz
ASTM D150
 0.0070
@Frequency 100 Hz
IEC 60250
 0.020
@Frequency 1e+6 Hz
IEC 60250
Comparative Tracking Index >= 600 VASTM D3638
 
Thermal PropertiesOriginal ValueComments
Melting Point 225 °C10°C/min; ISO 11357-1,-2,-3
 437 °FASTM D3418
Deflection Temperature at 0.46 MPa (66 psi) 130 °CISO 75-1, -2
 435 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 266 °FASTM D648
 
Processing PropertiesOriginal ValueComments
Processing Temperature 65.0 - 96.0 °Ccavity
 250 - 260 °Chot runner
Feed Temperature 230 - 240 °C
Zone 1 230 - 240 °C
Zone 2 235 - 250 °C
Zone 3 235 - 250 °C
Zone 4 240 - 260 °C
Die Temperature 240 - 260 °C
Melt Temperature 243 °CISO 294
 235 - 260 °C
Mold Temperature 82.0 °CISO 294
Injection Velocity 300 mm/secISO 294
Drying Temperature 120 - 130 °C
Dry Time 4.00 hour
Moisture Content <= 0.020 %
Hold Pressure 48.0 MPaISO 294
 
Descriptive Properties
Injection moldingYes
Injection speedmedium-fast
Processing conditions acc. ISO7792-2

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