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VESTAKEEP® M4P

Polyetheretherketone

Supplied by Evonik Degussa GmbH

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Product Description
Medical grade; high-viscosity, unreinforced polyether ether ketone powder

VESTAKEEP M4P is an unreinforced, high viscosity polyether ether ketone powder. The product is suitable for the manufacture of compounds or it can be used as scatterpowder for the manufacture of composites.

The semi-crystalline polymer features superior thermal and chemical resistance. VESTAKEEP M4P is self-extinguishing.

VESTAKEEP M4P fulfils the following requirements to meet the demands for medical applications:

Biocompatibility testing:
  • United States Pharmacopoeia Testing : <87> "Biological Reactivity Testing In Vitro"
  • Cytotoxicity test: L929 MEM elution, according to ISO 10993-5 (37°C/24h)

Granules made of VESTAKEEP M4P fulfil the following requirements:

United States Pharmacopoeia Testing: <88> "Biological Reactivity Testing In Vivo" Class VI:
  • Acute Systemic Toxicity Test: 4 different extraction media (70°C/24h)
  • Irritation Test - Intracutaneous Injection test: 4 different extraction media (70°C/24h)
  • Implantation Test: In Vivo-Implantation test: intramuscular, 7 days
General  
Material Status 
  • Commercial: Active
Availability 
  • Europe
  • North America
  
Features 
  • Good Chemical Resistance
  • High Viscosity
  • Self Extinguishing
  • Semi Crystalline
  
Uses 
  • Medical/Healthcare Applications
Agency Ratings 
 
Forms 
  • Granules
  • Powder
  
Processing Method 
  • Injection Molding
Physical
Nominal Value
Unit
Test Method
Density
g/cm³
 ISO 1183
Apparent Density
g/cm³
 ISO 60
Melt Volume-Flow Rate (MVR)
     ISO 1133
380°C/10.0 kg
in³/10min
  
380°C/5.0 kg
in³/10min
  
Average Particle Size 2
mil
  
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
 ISO 527-2
Tensile Stress (Yield)
psi
 ISO 527-2
Tensile Strain
     ISO 527-2
Yield
%
  
Break
%
  
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
 
  
73°F
 
  
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
Melting Temperature 3
°F
 ISO 11357-3
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: VESTAKEEP® M4P, VESTAKEEP M4P, VESTAKEEP® , VESTAKEEP, VESTAKEEPM4P, M 4 P, M4P, M4, 4P, Polyetheretherketone, PEEK, Polyaryletherketone, PAEK, Evonik Degussa, 4M
Features
Features may also be described by the following terms: High Viscosity, Semi-Crystalline, Good Chemical Resistance, Chemical Resistant, Self Extinguishing, Self-Extinguishing.
Uses
Uses may also be described by the following terms: Medical Applications.
Agency Ratings
This plastic material has 2 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): USP (1), ISO (1).
Notes
1Typical properties: these are not to be construed as specifications.
2Malvern Mastersizer, d50
32nd heating
 
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.