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Ensinger PEI

Celanese Celanex® 2000-2 PBT, Unfilled
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes: Celanex 2000-2 is a general purpose, unreinforced polybutylene terephthalate with a good balance of mechanical properties and processability. Celanex 2000-2 is a high flow material that contains an internal lubricant.
To avoid hydrolytic degradation during processing, CELANEX resins have to be dried to a moisture level equal to or less than 0.02%. Drying should be done in a dehumidifying hopper dryer capable of dew points <-40°F (-40°C) at 250°F (121°C) for 4 hours.
For subsequent storage of the material in the dryer until processed (<= 60 h) it is necessary to lower the temperature to 100° C.

Information provided by Celanese Corporation.
Key Words: High melt flow, lubricated
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
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
Viscosity Test 75 cm³/g0.75 dl/gISO 307, 1157, 1628
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
Melt Flow 65 g/10 min65 g/10 minASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 7575ISO 2039-2
Tensile Strength, Yield 60.0 MPa8700 psi50mm/min; ISO 527-2/1A
 57.2 MPa
@Temperature 22.8 °C		8300 psi
@Temperature 73.0 °F		ASTM D638
Tensile Stress at Strain  8.62 MPa
@Strain 0.32 %,
Temperature 23.0 °C		1250 psi
@Strain 0.32 %,
Temperature 73.4 °F
 16.8 MPa
@Strain 0.64 %,
Temperature 23.0 °C		2440 psi
@Strain 0.64 %,
Temperature 73.4 °F
 24.6 MPa
@Strain 0.96 %,
Temperature 23.0 °C		3570 psi
@Strain 0.96 %,
Temperature 73.4 °F
 31.8 MPa
@Strain 1.28 %,
Temperature 23.0 °C		4610 psi
@Strain 1.28 %,
Temperature 73.4 °F
 38.2 MPa
@Strain 1.6 %,
Temperature 23.0 °C		5540 psi
@Strain 1.6 %,
Temperature 73.4 °F
 43.6 MPa
@Strain 1.92 %,
Temperature 23.0 °C		6320 psi
@Strain 1.92 %,
Temperature 73.4 °F
 47.6 MPa
@Strain 2.24 %,
Temperature 23.0 °C		6900 psi
@Strain 2.24 %,
Temperature 73.4 °F
 49.8 MPa
@Strain 2.56 %,
Temperature 23.0 °C		7220 psi
@Strain 2.56 %,
Temperature 73.4 °F
 50.8 MPa
@Strain 2.88 %,
Temperature 23.0 °C		7370 psi
@Strain 2.88 %,
Temperature 73.4 °F
 51.1 MPa
@Strain 3.2 %,
Temperature 23.0 °C		7410 psi
@Strain 3.2 %,
Temperature 73.4 °F
Elongation at Break 30 %30 %50mm/min; ISO 527-2/1A
 5.0 %
@Temperature 22.8 °C		5.0 %
@Temperature 73.0 °F		ASTM D638
Elongation at Yield 4.0 %4.0 %50mm/min; ISO 527-2/1A
Tensile Modulus 2.70 GPa392 ksi1mm/min; ISO 527-2/1A
Flexural Strength 85.0 MPa12300 psiISO 178
 85.5 MPa
@Temperature 22.8 °C		12400 psi
@Temperature 73.0 °F		ASTM D790
Flexural Modulus 2.60 GPa377 ksiISO 178
 2.48 GPa
@Temperature 22.8 °C		360 ksi
@Temperature 73.0 °F		ASTM D790
Shear Modulus  0.0181 GPa
@Temperature 220 °C		2.63 ksi
@Temperature 428 °F
 0.0380 GPa
@Temperature 210 °C		5.51 ksi
@Temperature 410 °F
 0.0481 GPa
@Temperature 200 °C		6.98 ksi
@Temperature 392 °F
 0.0552 GPa
@Temperature 190 °C		8.01 ksi
@Temperature 374 °F
 0.0623 GPa
@Temperature 180 °C		9.04 ksi
@Temperature 356 °F
 0.0682 GPa
@Temperature 170 °C		9.89 ksi
@Temperature 338 °F
 0.0739 GPa
@Temperature 160 °C		10.7 ksi
@Temperature 320 °F
 0.0796 GPa
@Temperature 150 °C		11.5 ksi
@Temperature 302 °F
 0.0861 GPa
@Temperature 140 °C		12.5 ksi
@Temperature 284 °F
 0.0935 GPa
@Temperature 130 °C		13.6 ksi
@Temperature 266 °F
 0.101 GPa
@Temperature 120 °C		14.6 ksi
@Temperature 248 °F
 0.111 GPa
@Temperature 110 °C		16.1 ksi
@Temperature 230 °F
 0.122 GPa
@Temperature 100 °C		17.7 ksi
@Temperature 212 °F
 0.139 GPa
@Temperature 90.0 °C		20.2 ksi
@Temperature 194 °F
 0.168 GPa
@Temperature 80.0 °C		24.4 ksi
@Temperature 176 °F
 0.220 GPa
@Temperature 70.0 °C		31.9 ksi
@Temperature 158 °F
 0.334 GPa
@Temperature 60.0 °C		48.4 ksi
@Temperature 140 °F
 0.572 GPa
@Temperature 50.0 °C		83.0 ksi
@Temperature 122 °F
 0.734 GPa
@Temperature 40.0 °C		106 ksi
@Temperature 104 °F
 0.773 GPa
@Temperature 30.0 °C		112 ksi
@Temperature 86.0 °F
 0.797 GPa
@Temperature 23.0 °C		116 ksi
@Temperature 73.4 °F
 0.832 GPa
@Temperature 10.0 °C		121 ksi
@Temperature 50.0 °F
 0.855 GPa
@Temperature 0.000 °C		124 ksi
@Temperature 32.0 °F
 0.879 GPa
@Temperature -10.0 °C		127 ksi
@Temperature 14.0 °F
 0.904 GPa
@Temperature -20.0 °C		131 ksi
@Temperature -4.00 °F
 0.930 GPa
@Temperature -30.0 °C		135 ksi
@Temperature -22.0 °F
 0.961 GPa
@Temperature -40.0 °C		139 ksi
@Temperature -40.0 °F
 0.986 GPa
@Temperature -50.0 °C		143 ksi
@Temperature -58.0 °F
 1.07 GPa
@Temperature -60.0 °C		155 ksi
@Temperature -76.0 °F
Izod Impact, Notched 0.374 J/cm
@Temperature 22.8 °C		0.700 ft-lb/in
@Temperature 73.0 °F		ASTM D256
Izod Impact, Notched (ISO) 3.20 kJ/m²1.52 ft-lb/in²ISO 180/1A
Charpy Impact Unnotched 10.0 J/cm²47.6 ft-lb/in²ISO 179/1eU
 9.00 J/cm²
@Temperature -30.0 °C		42.8 ft-lb/in²
@Temperature -22.0 °F		ISO 179/1eU
Charpy Impact, Notched 0.400 J/cm²1.90 ft-lb/in²ISO 179/1eA
 0.350 J/cm²
@Temperature -30.0 °C		1.67 ft-lb/in²
@Temperature -22.0 °F		ISO 179/1eA
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 1.00e+13 ohm-cm>= 1.00e+13 ohm-cmIEC 60093
 1.00e+16 ohm-cm1.00e+16 ohm-cmASTM D257
Surface Resistance >= 1.00e+15 ohm>= 1.00e+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  0.0015
@Frequency 100 Hz		0.0015
@Frequency 100 Hz		IEC 60250
 0.0020
@Frequency 1e+6 Hz		0.0020
@Frequency 1e+6 Hz		ASTM D150
 0.020
@Frequency 1e+6 Hz		0.020
@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 86.0 µm/m-°C47.8 µin/in-°FISO 11359-2
Melting Point 225 °C437 °FISO 11357-1,-2,-3
 225 °C437 °FASTM D3418
Deflection Temperature at 0.46 MPa (66 psi) 155 °C311 °FISO 75-1, -2
 162 °C324 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 50.6 °C123 °FASTM D648
 55.0 °C131 °FISO 75-1, -2
Vicat Softening Point 190 °C374 °FB50 (50°C/h 50N); ISO 306
Glass Transition Temp, Tg 60.0 °C140 °FISO 11357-1,-2,-3
Flammability, UL94 HB
@Thickness 0.710 mm		HB
@Thickness 0.0280 in
Oxygen Index 22 %22 %ISO 4589
 
Processing PropertiesMetricEnglishComments
Processing Temperature 20.0 - 50.0 °C68.0 - 122 °Fhopper
 65.0 - 93.0 °C149 - 199 °Fcavity
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 hour4 hour
Moisture Content 0.020 %0.020 %Necessary low maximum
Injection Pressure 48.0 MPa6960 psiISO 294
Hot-Working Temperature 250 - 260 °C482 - 500 °F
 
Descriptive Properties
Injection moldingYes
Injection speedmedium-fast
Processing conditions acc. ISO7792-2

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