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Rulon Bearings

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Celanese Celanex® J600 PBT, 40% Mineral / Glass Reinforced
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Glass + Mineral Filled

Material Notes: Celanex J-600 is a 40% glass/mineral reinforced resin providing excellent warpage resistance, surface gloss and good mechanical properties. Celanex J-600 is particularly suited to applications requiring flatness and good surface appearance in large parts, such as exterior automotive components.

Information provided by Celanese

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.62 g/ccASTM D792
Density 1.62 g/ccISO 1183
Water Absorption 0.070 %
@Temperature 22.8 °C
24hr immersion; ASTM D570
Moisture Absorption 0.200 %23°C/50%RH; ISO 62
Viscosity Test 55 cm³/gISO 307, 1157, 1628
Linear Mold Shrinkage, Flow 0.0040 - 0.0060 cm/cmASTM D955
 0.0040 - 0.0090 cm/cmISO 294-4
Linear Mold Shrinkage, Transverse 0.0060 - 0.012 cm/cmISO 294-4
Melt Flow 11 g/10 minASTM D1238
 18 g/10 min
@Load 2.16 kg,
Temperature 265 °C
[cm3/10min]; ISO 1133
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell M 69ISO 2039-2
Tensile Strength at Break 95.0 MPa5mm/min; ISO 527-2/1A
 14000 psiASTM D638
Elongation at Break 2.0 %ASTM D638
 2.1 %5mm/min; ISO 527-2/1A
Tensile Modulus 11000 MPa50mm/min; ISO 527-2/1A
 1.50e+6 psiASTM D638
Flexural Strength 155 MPaISO 178
 23500 psiASTM D790
Flexural Modulus 11000 MPaISO 178
 1.50e+6 psiASTM D790
Izod Impact, Notched 1.30 ft-lb/inASTM D256
Izod Impact, Notched (ISO) 5.10 kJ/m²ISO 180/1A
 30.0 kJ/m²
@Temperature 23.0 °C
ISO 180/1U
Charpy Impact Unnotched 38.0 kJ/m²ISO 179/1eU
 40.0 kJ/m²
@Temperature -30.0 °C
ISO 179/1eU
Charpy Impact, Notched 6.50 kJ/m²ISO 179/1eA
 6.50 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 4.1
@Frequency 1e+6 Hz
ASTM D150
 4.4
@Frequency 1e+6 Hz
IEC 60250
 5.1
@Frequency 100 Hz
IEC 60250
Dielectric Strength 35.0 kV/mmIEC 60243-1
 550 V/milshort term; ASTM D149
Dissipation Factor 0.010
@Frequency 100 Hz
IEC 60250
 0.022
@Frequency 1e+6 Hz
IEC 60250
 0.025
@Frequency 1e+6 Hz
ASTM D150
Arc Resistance 118 secASTM D495
Comparative Tracking Index 350 VIEC 60112
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 20.0 µm/m-°CISO 11359-2
CTE, linear, Transverse to Flow 68.0 µm/m-°CISO 11359-2
Melting Point 225 °C10°C/min; ISO 11357-1,-2,-3
 437 °FASTM D3418
Deflection Temperature at 0.46 MPa (66 psi) 220 °CISO 75-1, -2
Deflection Temperature at 1.8 MPa (264 psi) 190 °CISO 75-1, -2
 380 °FASTM D648
Deflection Temperature at 8.0 MPa 80.0 °CISO 75-1, -2
Vicat Softening Point 205 °CISO 306
Flammability, UL94 HB
 HB
@Thickness 0.820 mm
Oxygen Index 22 %ISO 4589
 
Processing PropertiesOriginal ValueComments
Processing Temperature 65.0 - 96.0 °Ccavity
 250 - 265 °Chot runner
Feed Temperature 230 - 250 °C
Zone 1 230 - 250 °C
Zone 2 235 - 255 °C
Zone 3 235 - 255 °C
Zone 4 240 - 265 °C
Die Temperature 240 - 265 °C
Melt Temperature 235 - 265 °C
 260 °CISO 294
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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