Evonik VESTAKEEP® Film 0FH90 PEEK

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Evonik VESTAKEEP® Film 0FH90 PEEK (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Polyketone; Polyetheretherketone (PEEK)
Material Notes:	VESTAKEEP® film 0FH90 is a cast film based on 100% unreinforced polyether ether ketone (PEEK). The film is amorphous with a matte/glossy surface finish. The material features low extrusion related internal stresses and is ideal to thermoform 3D parts from, e.g. small speaker membranes. Application examples: electrical insulation thermoformed thin parts loudspeaker membranes Important notice: Amorphous PEEK film undergoes crystallization at above its glass transition temperature around 150°C. This should be taken into account upon processing as well as in final applications. The crystallization can only be reversed by heating to the melt followed by quenching. VESTAKEEP® film properties include: High continuous use temperature Excellent chemical resistance Tough and impact resistant Low creep Low abrasion, low coefficient of friction Low water absorption Electrical insulation Low flammability Free of flame retardants, no halogens Approved for food contact Low weight Recyclable (neat PEEK resin) Stabile towards ionizing irradiation RoHS compliant Secondary processes: VESTAKEEP films can be processed by many secondary processes, e.g.: Die and water-jet cutting Surface treatment (corona, plasma, flame) Thermoforming Adhesive bonding Welding, sealing, printing Information provided by Evonik
Vendors:

Available Properties

Density, ISO 1183
Tensile Strength at Break, ISO 527-3, 100 mm/min
Tensile Strength, Yield, ISO 527-3, 100 mm/min
Elongation at Break, ISO 527-3, 100 mm/min
Volume Resistivity, IEC 60093
Surface Resistance, IEC 60093
Surface Resistance, IEC 60093, Spec.
Dielectric Constant, IEC 60250
Dielectric Constant, IEC 60250
Dielectric Constant, IEC 60250
Dielectric Strength, IEC 60243-1, amorphous
Dielectric Strength, IEC 60243-1, amorphous
Dielectric Breakdown, IEC 60243-1, amorphous
Dielectric Breakdown, IEC 60243-1, amorphous
Dissipation Factor, IEC 60250
Dissipation Factor, IEC 60250
Comparative Tracking Index, IEC 60112, 100 drops value
Comparative Tracking Index, IEC 60112, CTI
Crystallization Temperature, Cold onset
Glass Transition Temp, Tg

Property Data

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Manufacturer Notes:
Evonik Corporation (Former Evonik Degussa GmbH)

Category Notes
Plastic

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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