Evonik VESTAKEEP® DC 4470 R PEEK, for Dental Use

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Evonik VESTAKEEP® DC 4470 R PEEK, for Dental Use
Categories:	Polymer; Thermoplastic; Polyketone; Polyetheretherketone (PEEK); Polyetheretherketone, PEEK, Unreinforced
Material Notes:	VESTAKEEP® DC4470 R is a gingiva-colored polyether ether ketone (PEEK) grade that is especially designed for removable dentures to meet the aesthetic demands of the patient. 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 Conformity: Biocompatibility, Medical application Special Characteristics: Semi-crystalline Regulatory: US Pharmacopeia Class VI conformity Color: Gingiva-colored Delivery form: Rods Ø6-20mm,stan.lengths 3000mm, Rods Ø70-100mm,stan.lengths 1000mm Chemical Resistance: Acid resistance, Alkali resistance, Solvent resistance, Grease resistance, Hydrolytically stable, 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	Metric	English	Comments

Density	1.36 g/cc	0.0491 lb/in³	ISO 1183
Water Absorption	0.400 %	0.400 %	Sim to ISO 62

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	110 MPa	16000 psi	ISO 527
Elongation at Break	10.0 %	10.0 %	ISO 527
Elongation at Yield	4.50 %	4.50 %	ISO 527
Tensile Modulus	4.40 GPa	638 ksi	ISO 527
Flexural Strength	170 MPa	24700 psi	ISO 178
Flexural Modulus	4.40 GPa	638 ksi	ISO 178
Izod Impact, Notched (ISO)	5.40 kJ/m²	2.57 ft-lb/in²	ISO 180/1A

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	45.0 µm/m-°C @Temperature 25.0 - 55.0 °C	25.0 µin/in-°F @Temperature 77.0 - 131 °F	ISO 11359-1/-2
Deflection Temperature at 0.46 MPa (66 psi)	210 °C	410 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	155 °C	311 °F	ISO 75-1/-2
Vicat Softening Point	305 °C @Load 5.10 kg	581 °F @Load 11.2 lb	50 K/h; ISO 306
	335 °C @Load 1.02 kg	635 °F @Load 2.25 lb	50 K/h; ISO 306

Descriptive Properties
Color	13.4		Color b, CIE
	20.4		Color a, CIE
	60.7		Color L, CIE
	Gingiva-colored

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PEVONIK7859 / 324991

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