Evonik VESTAKEEP® iC 4520 G PEEK, 20% barium sulphate

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Evonik VESTAKEEP® iC 4520 G PEEK, 20% barium sulphate
Categories:	Polymer; Thermoplastic; Polyketone; Polyetheretherketone (PEEK)
Material Notes:	VESTAKEEP® iC4520 G is an opaque, natural colored, high viscosity polyether ether ketone (PEEK) resin. It contains 20% barium sulphate to render it x-ray opaque. Dry properties listed below Industrial Sector: Medical Devices Processing: Machining Delivery form: Pellets, Granules Resistance to: Heat (thermal stability), UV / light / weathering Electrical: Insulating Conformity: Biocompatibility, Medical application Additives: Mineral fillers Applications: Medical implants Special Characteristics: Phosphorus-free, PTFE-free, High impact strength, Semi-crystalline, High viscosity, MRT compatible, Self-extinguishing Features: Non-corrosive Color: Natural color Additives: Inorganic fillers Chemical Resistance: Acid resistance, Solvent resistance, Oxidation resistance, Radiation 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	1.50 g/cc	ISO 1183
Water Absorption	0.400 %	Sim to ISO 62
Melt Flow	10.0 g/10 min @Load 5.00 kg, Temperature 380 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength	85.0 MPa	ISO 527
Tensile Strength, Yield	85.0 MPa	ISO 527
Elongation at Break	10.0 %	Nominal; ISO 527
Elongation at Yield	4.20 %	ISO 527
Tensile Modulus	4350 MPa	ISO 527
Charpy Impact, Notched	7.00 kJ/m²	Type of failure: C; ISO 179/1eA

Thermal Properties	Original Value	Comments
Melting Point	340 °C	ISO 11357-1/-3
Glass Transition Temp, Tg	145 °C	2nd heating, onset; ISO 11357
	155 °C	2nd heating, midpoint; ISO 11357

Processing Properties	Original Value	Comments
Recrystallization Temperature	285 °C	20 K/min; ISO 11357

Descriptive Properties
Color	Natural Color

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PEVONIK7871 / 325003

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