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This is the free Material Data Center Datasheet of VANDAR® 8000 - PBT - Celanese

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Product Texts
Vandar 8000 polyester alloy is designed to meet UL94 V-0 requirements at 1/32 inch thickness while retaining excellent impact resistance. The product is characterized by excellent moldability and surface finish. Vandar 8000 is well suited for electrical and electronic applications.

Flammability at thickness h (0.85 mm)V-0-
Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Molding shrinkage, parallel 2.6 % ISO 294-4, 2577
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 1700 MPa ISO 527
Yield stress 30 MPa ISO 527
Yield strain 4.5 % ISO 527
Nominal strain at break >50 % ISO 527
Charpy impact strength, +23°C N kJ/m² ISO 179/1eU
Charpy impact strength, -30°C N kJ/m² ISO 179/1eU
Charpy notched impact strength, +23°C 75 kJ/m² ISO 179/1eA
Charpy notched impact strength, -30°C 15 kJ/m² ISO 179/1eA
Thermal propertiesValueUnitTest Standard
ISO Data
Melting temperature, 10°C/min 225 °C ISO 11357-1/-3
Temp. of deflection under load, 1.80 MPa 52 °C ISO 75-1/-2
Temp. of deflection under load, 0.45 MPa 127 °C ISO 75-1/-2
Coeff. of linear therm. expansion, parallel 89 E-6/K ISO 11359-1/-2
Coeff. of linear therm. expansion, normal 110 E-6/K ISO 11359-1/-2
Burning Behav. at thickness h V-0 class IEC 60695-11-10
Thickness tested 0.8 mm -
Electrical propertiesValueUnitTest Standard
ISO Data
Relative permittivity, 100Hz 4 - IEC 62631-2-1
Relative permittivity, 1MHz 3.6 - IEC 62631-2-1
Dissipation factor, 100Hz 45 E-4 IEC 62631-2-1
Dissipation factor, 1MHz 170 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 24 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 1370 kg/m³ ISO 1183
Diagrams
Dynamic Shear modulus-temperature , VANDAR® 8000, PBT, Celanese
Stress-strain , VANDAR® 8000, PBT, Celanese
Secant modulus-strain , VANDAR® 8000, PBT, Celanese
Characteristics
Processing
Injection Molding
Delivery form
Pellets
Special Characteristics
Flame retardant, High impact or impact modified
Applications
Electrical and Electronical
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, 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.
Rear Temperature 450-470(230-240) deg F (deg C)
Center Temperature 460-480(235-250) deg F (deg C)
Front Temperature 470-490(240-255) deg F (deg C)
Nozzle Temperature 480-490(250-255) deg F (deg C)
Melt Temperature 460-490(235-255) deg F (deg C)
Mold Temperature 100-200(40-93) deg F (deg C)
Back Pressure 0-50 psi
Screw Speed Medium
Injection Speed Fast
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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