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VESTODUR® X7085

Polybutylene Terephthalate

Glass Fiber Reinforcement, 45%

Supplied by Evonik Degussa GmbH

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Product Description
Glass fiber-reinforced polybutylene terephthalate compound for parts with high surface quality

VESTODUR X7085 is a 45% glass fiberreinforced, polymer-modified polybutylene terephthalate compound for injection molding.

The compound is suitable for parts that are subjected to high mechanical and thermal loads. Compared with commonly used glass fiber-reinforced PBT compounds with similar stiffness parts of VESTODUR X7085 have in particular a high surface quality.
General  
Material Status 
  • Experimental: Active
Availability 
  • Europe
  • North America
  
Filler / Reinforcement 
  • Glass Fiber Reinforcement, 45% Filler by Weight
Features 
  • Good Stiffness
  • Good Surface Finish
  
Forms 
  • Pellets
Processing Method 
  • Injection Molding
Physical
Nominal Value
Unit
Test Method
Density
g/cm³
 ISO 1183
Melt Volume-Flow Rate (MVR) (250°C/2.16 kg)
in³/10min
 ISO 1133
Molding Shrinkage 2
     ISO 294-4
Across Flow: 176°F, 0.0787 in
%
  
Flow: 176°F, 0.0787 in
%
  
Water Absorption (Saturation, 73°F)
%
 ISO 62
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
 ISO 527-2
Tensile Stress (Yield)
psi
 ISO 527-2
Tensile Strain (Break)
%
 ISO 527-2
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength
     ISO 179/1eA
-22°F, Complete Break
ft·lb/in²
  
73°F, Complete Break
ft·lb/in²
  
Charpy Unnotched Impact Strength
     ISO 179/1eU
-22°F, Complete Break
ft·lb/in²
  
73°F, Complete Break
ft·lb/in²
  
Thermal
Nominal Value
Unit
Test Method
Heat Deflection Temperature
      
66 psi, Unannealed
°F
 ISO 75-2/B
264 psi, Unannealed
°F
 ISO 75-2/A
Vicat Softening Temperature
      
--
°F
 ISO 306/A
--
°F
 ISO 306/B
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
     UL 94
0.0315 in
 
  
0.0630 in
 
  
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: VESTODUR® X7085, VESTODUR X7085, VESTODUR® , VESTODUR, VESTODURX7085, X 7085, X7085, Polybutylene Terephthalate, PBT, Polyester, Evonik Degussa, PolybutyleneTerephthalate, 7085X
Features
Features may also be described by the following terms: Good Surface Finish, Good Stiffness.
Notes
1Typical properties: these are not to be construed as specifications.
2determined on 2 mm sheets with film gate at rim mold temperature 80°C
 
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.