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Vexel 3250

Polybutylene Terephthalate

Supplied by Custom Resins Group

The technical datasheet with complete property values for Vexel 3250 is available to members of the Prospector Plastics Database.
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Product Description
Vexel 3250 is a general purpose, high flow polybutylene terephthalate polyester material. Vexel products have exceptional electrical properties, are quite strong, and are especially stiff, but are typically more brittle than similar nylon products. Vexel PBT is typically used for electrical components, especially with higher voltage requirements, for high heat housings and brackets, and for other functional components where the moisture absorption of nylon may be problematic.
General  
Material Status 
  • Commercial: Discontinued
Availability 
  • North America
Features 
  • General Purpose
  • Good Electrical Properties
  • Good Stiffness
  • High Flow
  • High Strength
Uses 
  • Electrical Housing
  • Electrical Parts
  • General Purpose
Forms 
  • Pellets
Processing Method 
  • Injection Molding
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Molding Shrinkage
     ASTM D955
Flow
in/in
  
Across Flow
in/in
  
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength
psi
 ASTM D638
Flexural Modulus
psi
 ASTM D790
Flexural Strength
psi
 ASTM D790
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact
ft·lb/in
 ASTM D256
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load
     ASTM D648
66 psi, Unannealed
°F
  
264 psi, Unannealed
°F
  
Melting Temperature
°F
  
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Vexel 3250, Vexel , Vexel3250, 3250, Polybutylene Terephthalate, PBT, Polyester, Custom Resins, PolybutyleneTerephthalate
Features
Features may also be described by the following terms: Good Electrical Properties, High Strength, Good Stiffness, High Flow, High Melt, High MFI.
Uses
Uses may also be described by the following terms: Electrical Housings, Electrical Housing.
Injection
Nominal Value
Unit
 
Drying Temperature
°F
  
Drying Time
hr
  
Drying Time, Maximum
hr
  
Suggested Max Moisture
%
  
Suggested Shot Size
%
  
Suggested Max Regrind
%
  
Rear Temperature
°F
  
Middle Temperature
°F
  
Front Temperature
°F
  
Nozzle Temperature
°F
  
Processing (Melt) Temp
°F
  
Mold Temperature
°F
  
Injection Pressure
psi
  
Injection Rate
 
  
Holding Pressure
psi
  
Back Pressure
psi
  
Notes
1Typical properties: these are not to be construed as specifications.
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.