Evonik VESTAKEEP® i4 R PEEK

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Evonik VESTAKEEP® i4 R PEEK
Categories:	Polymer; Thermoplastic; Polyketone; Polyetheretherketone (PEEK); Polyetheretherketone, PEEK, Unreinforced
Material Notes:	VESTAKEEP® i4 R is a rod stock based on implantable grade neat polyether ether ketone resin VESTAKEEP® i4 G. Dry properties listed below Industrial Sector: Medical Devices Resistance to: Heat (thermal stability), Hydrolysis / hot water, Wear / abrasion, Fatigue resistance, Oil / fuels Conformity: Biocompatibility, Medical application Additives: Unfilled Applications: Medical implants Special Characteristics: Semi-crystalline Regulatory: US Pharmacopeia Class VI conformity Color: Natural color Chemical Resistance: Acid resistance, Alkali resistance, Solvent resistance, Grease resistance, Hydrolytically stable, Oil resistance, Oxidation resistance, General chemical resistance Information provided by Evonik.
Vendors:	Ensinger TECAPEEK™ shapes are manufactured exclusively with Victrex™ PEEK polymer. The Ensinger process and Victrex resins ensure reliability, consistency, dimensional stability, and high temperature mechanical performance. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	1.30 g/cc	ISO 1183
Water Absorption	0.400 %	Sim to ISO 62
Moisture Absorption	0.120 %	Sim to ISO 62

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	105 MPa	ISO 527
Elongation at Break	20.0 %	Nominal; ISO 527
Elongation at Yield	4.60 %	ISO 527
Tensile Modulus	3900 MPa	ISO 527
Flexural Modulus	3850 MPa	ISO 178
Izod Impact, Notched (ISO)	6.30 kJ/m²	ISO 180/1A

Electrical Properties	Original Value	Comments
Dielectric Constant	2.80 @Frequency 1.00e+6 Hz	IEC 62631-2-1

Thermal Properties	Original Value	Comments
Melting Point	340 °C	ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi)	205 °C	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	155 °C	ISO 75-1/-2

Descriptive Properties
Color	Natural Color

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PEVONIK7868 / 325000

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