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This is the free Material Data Center Datasheet of VANDAR® 4662Z - PBT-GF30 - Celanese

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Product Texts
Vandar 4662Zis a high impact polyester alloy which contains 30% glass fiber loading. It is characterized by toughness, dimensional stability, and high modulus. Good weatherability and moldability are other key attributes.

Flammability at thickness h (1.5 mm)HB-
Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Melt volume-flow rate, MVR 5.5 cm³/10min ISO 1133
Temperature 250 °C -
Load 5 kg -
Molding shrinkage, parallel 0.4 % ISO 294-4, 2577
Molding shrinkage, normal 1.3 % ISO 294-4, 2577
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 7000 MPa ISO 527
Stress at break 80 MPa ISO 527
Strain at break 3.5 % ISO 527
Charpy impact strength, +23°C 70 kJ/m² ISO 179/1eU
Charpy impact strength, -30°C 70 kJ/m² ISO 179/1eU
Charpy notched impact strength, +23°C 20 kJ/m² ISO 179/1eA
Charpy notched impact strength, -30°C 10 kJ/m² ISO 179/1eA
Thermal propertiesValueUnitTest Standard
ISO Data
Melting temperature, 10°C/min 225 °C ISO 11357-1/-3
Glass transition temperature, 10°C/min 60 °C ISO 11357-1/-2
Temp. of deflection under load, 1.80 MPa 175 °C ISO 75-1/-2
Temp. of deflection under load, 0.45 MPa 218 °C ISO 75-1/-2
Vicat softening temperature, B 190 °C ISO 306
Coeff. of linear therm. expansion, parallel 15 E-6/K ISO 11359-1/-2
Coeff. of linear therm. expansion, normal 127 E-6/K ISO 11359-1/-2
Burning Behav. at thickness h HB class IEC 60695-11-10
Thickness tested 1.5 mm -
Electrical propertiesValueUnitTest Standard
ISO Data
Relative permittivity, 100Hz 4.9 - IEC 62631-2-1
Relative permittivity, 1MHz 4.3 - IEC 62631-2-1
Dissipation factor, 100Hz 70 E-4 IEC 62631-2-1
Dissipation factor, 1MHz 260 E-4 IEC 62631-2-1
Volume resistivity 1E12 Ohm*m IEC 62631-3-1
Surface resistivity 1E14 Ohm IEC 62631-3-2
Electric strength 33 kV/mm IEC 60243-1
Other propertiesValueUnitTest Standard
Water absorption 0.45 % Sim. to ISO 62
Humidity absorption 0.2 % Sim. to ISO 62
Density 1470 kg/m³ ISO 1183
Diagrams
Dynamic Shear modulus-temperature , VANDAR® 4662Z, PBT-GF30, Celanese
Stress-strain , VANDAR® 4662Z, PBT-GF30, Celanese
Secant modulus-strain , VANDAR® 4662Z, PBT-GF30, Celanese
Characteristics
Processing
Injection Molding
Delivery form
Pellets
Additives
Lubricants
Special Characteristics
High impact or impact modified, U.V. stabilized or stable to weather, Heat stabilized or stable to heat
Regional Availability
North America, Europe, Asia Pacific, South and Central America, Near East/Africa
Other text information
Injection molding
To avoid hydrolytic degradation during processing, Vandar 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.
Rear Temperature 450-480(230-250) deg F (deg C)
Center Temperature 460-490(235-255) deg F (deg C)
Front Temperature 470-500(240-260) deg F (deg C)
Nozzle Temperature 470-510(240-265) deg F (deg C)
Melt Temperature 470-510(240-265) deg F (deg C)
Mold Temperature 100-200(40-95 deg F (deg C)
Back Pressure 0-50 psi
Screw Speed Moderate
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.
Disclaimer
Copyright Altair Engineering GmbH. Altair Engineering GmbH assumes no liability for the system to be free of errors. The user takes sole responsibility for the use of this data under the exclusion of every liability from Altair Engineering GmbH; this is especially valid for claims of compensation resulting from consequential damages. Altair explicitly points out that any decision about the application of materials must be double checked with the producer of this material. This includes all contents of this system. Copyright laws are applicable for the content of this system.
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