Evonik VESTAKEEP® DC 4470 G PEEK, for Dental Use

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Evonik VESTAKEEP® DC 4470 G PEEK, for Dental Use
Categories:	Polymer; Thermoplastic; Polyketone; Polyetheretherketone (PEEK); Polyetheretherketone, PEEK, Unreinforced
Material Notes:	VESTAKEEP® DC4470 G is a gingiva-colored, high viscosity polyether ether ketone (PEEK) resin that is especially designed for removable dentures to meet the aesthetic demands of the patient. Dry properties listed below Industrial Sector: Medical Devices Processing: Injection molding , Extrusion Delivery form: Pellets, Granules Optics: Opaque Resistance to: Wear / abrasion Conformity: Biocompatibility, Medical application Special Characteristics: Semi-crystalline Regulatory: US Pharmacopeia Class VI conformity Color: Gingiva-colored Chemical Resistance: Acid resistance, Alkali resistance, Solvent resistance, Grease resistance, Hydrolytically stable, 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
Melt Flow	11.0 g/10 min @Load 5.00 kg, Temperature 380 °C	11.0 g/10 min @Load 11.0 lb, Temperature 716 °F	ISO 1133
Ash	3.60 %	3.60 %	ISO 3451

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	78.0 MPa	11300 psi
Tensile Strength	95.0 MPa	13800 psi	ISO 527
Tensile Strength, Yield	95.0 MPa	13800 psi	ISO 527
Elongation at Break	25.0 %	25.0 %	ISO 527
Elongation at Yield	5.00 %	5.00 %	ISO 527
Tensile Modulus	3.60 GPa	522 ksi	ISO 527
Charpy Impact Unnotched	NB	NB	ISO 179/1eU
Charpy Impact, Notched	0.750 J/cm²	3.57 ft-lb/in²	Type of failure: C; ISO 179/1eA

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
Melting Point	340 °C	644 °F	ISO 11357-1/-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
Glass Transition Temp, Tg	145 °C	293 °F	2nd heating, onset; ISO 11357
	150 °C	302 °F	2nd heating, midpoint; ISO 11357
	153 °C	307 °F	ISO 11357-1/-2

Processing Properties	Metric	English	Comments
Melt Temperature	400 °C	752 °F	Injection Molding; ISO 294
Mold Temperature	180 °C	356 °F	Injection Molding; ISO 294
Injection Velocity	200 mm/sec	7.87 in/sec	Injection Molding; ISO 294
Recrystallization Temperature	285 °C	545 °F	10 K/min; ISO 11357

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.

PEVONIK7858 / 324990

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