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CELANEX 3209HR
CELANEX® PBT
PBT-GF15
Characteristics
Regional availability
North America
Europe
Asia Pacific
South and Central America
Near East/Africa
Global
Processing
Injection Moulding
Delivery form
Pellets
Special characteristics
Hydrolysis resistant
Product Text
Celanex 3209HR is a 15% glass filled PBT that has an excellent hydrolysis resistance, mechanical properties and processability. Celanex 3209HR is non-lubricated.
Product information
Value
Test Norm
Resin Identification
PBT-GF15
*** 1043
Part Marking Code
>PBT-GF15<
*** 11469
Rheological properties
Value
Unit
Test Norm
Melt mass-flow rate
22
g/10min
*** 1133
Melt mass-flow rate, Temperature
250
°C
Melt mass-flow rate, Load
2.16
kg
Moulding shrinkage, parallel
0.1
%
*** 294-4, 2577
Moulding shrinkage, normal
0.9
%
*** 294-4, 2577
Mechanical properties
Value
Unit
Test Norm
Tensile modulus
5800
MPa
*** 527-1/-2
Tensile stress at break, 5mm/min
100
MPa
*** 527-1/-2
Tensile strain at break, 5mm/min
3.5
%
*** 527-1/-2
Flexural modulus
5300
MPa
*** 178
Flexural strength
150
MPa
*** 178
Charpy impact strength, 23°C
22
kJ/m²
*** 179/1eU
Charpy impact strength, -30°C
22
kJ/m²
*** 179/1eU
Charpy notched impact strength, 23°C
5.5
kJ/m²
*** 179/1eA
Charpy notched impact strength, -30°C
4
kJ/m²
*** 179/1eA
Izod notched impact strength, 23°C
5.3
kJ/m²
*** 180/1A
Izod impact strength, 23°C
17
kJ/m²
*** 180/1U
Poisson&#39;s ratio
0.35[C]
Shore D hardness, 15s
82
*** 48-4 / *** 868
[C]: Calculated
Thermal properties
Value
Unit
Test Norm
Melting temperature, 10°C/min
225
°C
*** 11357-1/-3
Glass transition temperature, 10°C/min
60
°C
*** 11357-1/-3
Temperature of deflection under load, 1.8 MPa
180
°C
*** 75-1/-2
Temperature of deflection under load, 0.45 MPa
220
°C
*** 75-1/-2
Vicat softening temperature, 50°C/h 10N
220
°C
*** 306
Coefficient of linear thermal expansion (CLTE), parallel
38
E-6/K
*** 11359-1/-2
Coefficient of linear thermal expansion (CLTE), normal
100
E-6/K
*** 11359-1/-2
Electrical properties
Value
Unit
Test Norm
Relative permittivity, 100Hz
3.7
IEC 62631-2-1
Relative permittivity, 1MHz
2.9
IEC 62631-2-1
Dissipation factor, 1MHz
240
E-4
IEC 62631-2-1
Volume resistivity
4E14
Ohm.m
IEC 62631-3-1
Surface resistivity
2E16
Ohm
IEC 62631-3-2
Electric strength
17
kV/mm
IEC 60243-1
Comparative tracking index
325
IEC 60112
Physical/Other properties
Value
Unit
Test Norm
Humidity absorption, 2mm
0.17
%
Sim. to *** 62
Density
1410
kg/m³
*** 1183
Injection
Value
Unit
Drying Recommended
yes
Drying Temperature
120
°C
Drying Time, Dehumidified Dryer
4
h
Processing Moisture Content
≤0.04
%
Melt Temperature Optimum
250
°C
Min. melt temperature
240
°C
Max. melt temperature
260
°C
Screw tangential speed
0.1 - 0.3
m/s
Mold Temperature Optimum
80
°C
Min. mould temperature
60
°C
Max. mould temperature
130
°C
Additional information
Injection molding
Preprocessing
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 <-30°F (-34°C) at 250°F (121°C) for 4 hours.
Processing
Rear Temperature 450-470(230-240) deg F (deg C)
Center Temperature 460-480(235-250) deg F (deg C)
Front Temperature 470-500(240-260) deg F (deg C)
Nozzle Temperature 480-500(250-260) deg F (deg C)
Melt Temperature 460-500(235-260) deg F (deg C)
Mold Temperature 150-200(65-93) deg F (deg C)
Back Pressure 0-50 psi
Screw Speed Medium
Injection Speed Fast
Injection speed, injection pressure and holding pressure have to be optimized to the individual article geometry. To avoid material degradation during processing low back pressure and minimum screw speed have to be used. Overheating of the material has to be avoided, in particular for flame retardant grades. Up to 25% clean and dry regrind may be used.
Processing Notes
Pre-Drying
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.
Automotive
OEM
Standard
Additional Information
Li Auto
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