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Rulon Bearings

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Celanese Celanex® 6406 PBT, 40% Mineral / Glass Reinforced
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Glass + Mineral Filled

Material Notes: Celanex 6406 is a 40% mineral/glass reinforced resin providing excellent toughness combined with warpage resistance, surface gloss and good mechanical properties. Celanex 6406 is particularly suited to applications requiring flatness and good surface appe
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 dewpoints <-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: 40% glass/mineral, low warp, improved impact
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 PropertiesOriginal ValueComments
Specific Gravity 1.58 g/ccASTM D792
Density 1.58 g/ccISO 1183
Moisture Absorption at Equilibrium 0.20 %23°C/50%RH; ISO 62
Viscosity Test 90 cm³/gISO 307, 1157, 1628
Linear Mold Shrinkage, Flow 0.0040 - 0.0060 in/inASTM D955
 0.0040 - 0.0060 cm/cmISO 294-4
Melt Flow 16 g/10 minASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell M 51ISO 2039-2
Tensile Strength at Break 75.0 MPa5mm/min; ISO 527-2/1A
 11500 psi
@Temperature 22.8 °C
ASTM D638
Elongation at Break 2.5 %5mm/min; ISO 527-2/1A
 3.2 %
@Temperature 22.8 °C
ASTM D638
Tensile Modulus 7800 MPa1mm/min; ISO 527-2/1A
Flexural Strength 120 MPaISO 178
 16000 psi
@Temperature 22.8 °C
ASTM D790
Flexural Modulus 7000 MPaISO 178
 960000 psi
@Temperature 22.8 °C
ASTM D790
Izod Impact, Notched 2.00 ft-lb/in
@Temperature 22.8 °C
ASTM D256
Izod Impact, Notched (ISO) 11.7 kJ/m²ISO 180/1A
 8.00 kJ/m²
@Temperature 30.0 °C
ISO 180/1A
Izod Impact, Unnotched (ISO) 40.0 kJ/m²
@Temperature 23.0 °C
ISO 180/1U
Charpy Impact, Notched 12.1 kJ/m²ISO 179/1eA
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 2.80e+14 ohm-cmASTM D257
Dielectric Constant 4.4
@Frequency 1e+6 Hz
ASTM D150
Dielectric Strength 470 V/milshort term; ASTM D149
Dissipation Factor 0.026
@Frequency 1e+6 Hz
ASTM D150
Arc Resistance 129 secASTM D495
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 25.0 µm/m-°CISO 11359-2
CTE, linear, Transverse to Flow 97.0 µm/m-°CISO 11359-2
Melting Point 225 °CISO 11357-1,-2,-3
 437 °FASTM D3418
Deflection Temperature at 0.46 MPa (66 psi) 205 °CISO 75-1, -2
 408 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 160 °CISO 75-1, -2
 320 °FASTM D648
Vicat Softening Point 150 °CB50 (50°C/h 50N); ISO 306
Flammability, UL94 HB
 HB
@Thickness 0.850 mm
 
Processing PropertiesOriginal ValueComments
Processing Temperature 20.0 - 50.0 °Chopper
 65.0 - 96.0 °Ccavity
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 hour
Moisture Content 0.020 %Necessary low maximum
Injection Pressure 48.0 MPaISO 294
Hot-Working Temperature 250 - 265 °C
 
Descriptive Properties
Injection moldingYes
Injection speedmedium-fast
Melt volume rate (MVR), cm³/10min16
MVR test load, kg2.16
MVR test temperature, °C265
Processing conditions acc. ISO7792-2

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