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Rulon Bearings

Celanese Celanex® 2002 PBT, Unfilled
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes: Celanex 2002 is a general purpose, unreinforced polybutylene terephthalate with a good balance of mechanical properties and processability. Celanex 2002 ia a medium flow material.

Information provided by Celanese
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.31 g/cc1.31 g/ccASTM D792
Density 1.31 g/cc0.0473 lb/in³ISO 1183
Water Absorption 0.090 %
@Temperature 22.8 °C		0.090 %
@Temperature 73.0 °F		24hr immersion; ASTM D570
Moisture Absorption 0.190 %0.190 %23°C/50%RH; ISO 62
Linear Mold Shrinkage, Flow 0.018 - 0.020 cm/cm0.018 - 0.020 in/inASTM D955
 0.018 - 0.020 cm/cm0.018 - 0.020 in/inISO 294-4
Linear Mold Shrinkage, Transverse 0.018 - 0.020 cm/cm0.018 - 0.020 in/inISO 294-4
Melt Flow 20 g/10 min20 g/10 minASTM D1238
 18 g/10 min
@Load 2.16 kg,
Temperature 250 °C		18 g/10 min
@Load 4.76 lb,
Temperature 482 °F		[cm3/10min]; ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 7878ISO 2039-2
Tensile Strength at Break 35.0 MPa5080 psi50mm/min; ISO 527-2/1A
Tensile Strength, Yield 55.8 MPa8100 psiASTM D638
 60.0 MPa8700 psi50mm/min; ISO 527-2/1A
 17.9 MPa
@Temperature 121 °C		2600 psi
@Temperature 250 °F		ASTM D638
 24.8 MPa
@Temperature 80.0 °C		3600 psi
@Temperature 176 °F		ASTM D638
 75.8 MPa
@Temperature 0.000 °C		11000 psi
@Temperature 32.0 °F		ASTM D638
 101 MPa
@Temperature -40.0 °C		14600 psi
@Temperature -40.0 °F		ASTM D638
Tensile Stress at Strain 30.0 MPa
@Strain 50 %		4350 psi
@Strain 50 %		ISO 527-2/1A
Elongation at Break >= 50 %>= 50 %
 200 %200 %ASTM D638
 220 %220 %50mm/min; ISO 527-2/1A
Elongation at Yield 3.2 %3.2 %ASTM D638
 4.0 %4.0 %50mm/min; ISO 527-2/1A
 4.4 %
@Temperature 0.000 °C		4.4 %
@Temperature 32.0 °F		ASTM D638
 7.2 %
@Temperature 4.44 °C		7.2 %
@Temperature 40.0 °F		ASTM D638
 17 %
@Temperature 80.0 °C		17 %
@Temperature 176 °F		ASTM D638
 23 %
@Temperature 121 °C		23 %
@Temperature 250 °F		ASTM D638
Tensile Modulus 2.60 GPa377 ksi50mm/min; ISO 527-2/1A
 3.17 GPa460 ksiASTM D638
 0.296 GPa
@Temperature 121 °C		43.0 ksi
@Temperature 250 °F		ASTM D638
 0.469 GPa
@Temperature 80.0 °C		68.0 ksi
@Temperature 176 °F		ASTM D638
 3.10 GPa
@Temperature -40.0 °C		450 ksi
@Temperature -40.0 °F		ASTM D638
Flexural Strength 80.0 MPa11600 psiISO 178
 86.2 MPa12500 psiASTM D790
Flexural Modulus 2.50 GPa363 ksiISO 178
 2.55 GPa370 ksiASTM D790
Izod Impact, Notched 0.481 J/cm0.900 ft-lb/inASTM D256
Izod Impact, Notched (ISO) 5.00 kJ/m²2.38 ft-lb/in²ISO 180/1A
Charpy Impact Unnotched NBNBISO 179/1eU
 19.0 J/cm²
@Temperature -30.0 °C		90.4 ft-lb/in²
@Temperature -22.0 °F		ISO 179/1eU
Charpy Impact, Notched 0.600 J/cm²2.86 ft-lb/in²ISO 179/1eA
 0.600 J/cm²
@Temperature -30.0 °C		2.86 ft-lb/in²
@Temperature -22.0 °F		ISO 179/1eA
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+15 ohm-cm1.00e+15 ohm-cmIEC 60093
 1.00e+16 ohm-cm1.00e+16 ohm-cmASTM D257
Surface Resistance 1.00e+15 ohm1.00e+15 ohmIEC 60093
Dielectric Constant  3.2
@Frequency 1e+6 Hz		3.2
@Frequency 1e+6 Hz		ASTM D150
 3.5
@Frequency 1e+6 Hz		3.5
@Frequency 1e+6 Hz		IEC 60250
 4.0
@Frequency 100 Hz		4.0
@Frequency 100 Hz		IEC 60250
Dielectric Strength 16.5 kV/mm420 kV/inshort term; ASTM D149
 23.0 kV/mm584 kV/inIEC 60243-1
Dissipation Factor  0.0014
@Frequency 100 Hz		0.0014
@Frequency 100 Hz		IEC 60250
 0.022
@Frequency 1e+6 Hz		0.022
@Frequency 1e+6 Hz		IEC 60250
Comparative Tracking Index 600 V600 VIEC 60112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 110 µm/m-°C61.1 µin/in-°FISO 11359-2
CTE, linear, Transverse to Flow 140 µm/m-°C77.8 µin/in-°FISO 11359-2
Melting Point 225 °C437 °F10°C/min; ISO 11357-1,-2,-3
 225 °C437 °FASTM D3418
Deflection Temperature at 0.46 MPa (66 psi) 150 °C302 °FISO 75-1, -2
 160 °C320 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 55.0 °C131 °FISO 75-1, -2
 55.0 °C131 °FASTM D648
Vicat Softening Point 190 °C374 °FISO 306
Glass Transition Temp, Tg 60.0 °C140 °FISO 11357-1,-2,-3
Flammability, UL94 HBHB
 HB
@Thickness 0.710 mm		HB
@Thickness 0.0280 in
Oxygen Index 22 %22 %ISO 4589
 
Processing PropertiesMetricEnglishComments
Processing Temperature 65.0 - 93.0 °C149 - 199 °Fcavity
 250 - 260 °C482 - 500 °Fhot runner
Feed Temperature 230 - 240 °C446 - 464 °F
Zone 1 230 - 240 °C446 - 464 °F
Zone 2 235 - 250 °C455 - 482 °F
Zone 3 235 - 250 °C455 - 482 °F
Zone 4 240 - 260 °C464 - 500 °F
Die Temperature 250 - 260 °C482 - 500 °F
Melt Temperature 243 °C469 °FISO 294
 235 - 260 °C455 - 500 °F
Mold Temperature 82.0 °C180 °FISO 294
Injection Velocity 300 mm/sec11.8 in/secISO 294
Drying Temperature 120 - 130 °C248 - 266 °F
Dry Time 4.00 hour4.00 hour
Moisture Content <= 0.020 %<= 0.020 %
Hold Pressure 48.0 MPa6960 psiISO 294
 
Descriptive Properties
Injection moldingYes
Injection speedmedium-fast
Processing conditions acc. ISO7792-2

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