Evonik VESTAKEEP® D4 R PEEK, for Dental Use

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Evonik VESTAKEEP® D4 R PEEK, for Dental Use
Categories:	Polymer; Thermoplastic; Polyketone; Polyetheretherketone (PEEK); Polyetheretherketone, PEEK, Unreinforced
Material Notes:	VESTAKEEP® D4 R is natural colored polyether ether ketone (PEEK) rod stock that is especially designed for removable and fixed dentures crowns and bridges. Dry properties listed below Industrial Sector: Medical Devices Processing: Machining Delivery form: Stock shape (rods and plates) Optics: Opaque Resistance to: Heat (thermal stability), Hydrolysis / hot water, Wear / abrasion, Fatigue resistance, Oil / fuels Conformity: Biocompatibility, Medical application Additives: Unfilled Special Characteristics: Semi-crystalline Regulatory: US Pharmacopeia Class VI conformity Color: Natural color Delivery form: Rods Ø70-100mm,stan.lengths 1000mm 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

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	110 MPa	ISO 527
Elongation at Break	>= 50.0 %	Nominal; ISO 527
Elongation at Yield	4.80 %	ISO 527
Tensile Modulus	4000 MPa	ISO 527
Flexural Strength	175 MPa	ISO 178
Flexural Modulus	4050 MPa	ISO 178
Izod Impact, Notched (ISO)	5.50 kJ/m²	ISO 180/1A

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	45.0 µm/m-°C @Temperature 25.0 - 55.0 °C	ISO 11359-1/-2
Flammability, UL94	V-0 @Thickness 1.60 mm	IEC 60695-11-10

Descriptive Properties
Color	2.6	Color a, CIE
	60	Color L, CIE
	8.5	Color b, CIE
	Natural Color

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PEVONIK7848 / 324980

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