Evonik VESTAKEEP® Film 0FH81 PEEK

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Evonik VESTAKEEP® Film 0FH81 PEEK (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Polyketone; Polyetheretherketone (PEEK)
Material Notes:	VESTAKEEP® film 0FH81 is a cast film based on 100% unreinforced polyether ether ketone (PEEK). The film is amorphous. VESTAKEEP® film 0FH81 is designed for thermoforming thin walled parts from the melt. The material features the lowest extrusion related internal stresses possible. Applications of the film are cutting edge precision parts made by thermoforming, e.g.: housings or battery capsules electrical insulation heat and chemical protection Composite technology The low internal stresses of the film allow for walls of lowest thickness tolerance. Information provided by Evonik
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Physical Properties	Original Value	Comments

Density	1.26 g/cc @Thickness 0.0750 mm	ISO 1183

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	120 MPa @Thickness 0.0750 mm	100 mm/min; ISO 527-3
Tensile Strength, Yield	60.0 MPa @Thickness 0.0750 mm	100 mm/min; ISO 527-3
Elongation at Break	>= 150 % @Thickness 0.0750 mm	100 mm/min; ISO 527-3

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+15 ohm-cm	IEC 60093
Surface Resistance	1.00e+14 ohm	IEC 60093
	1.00e+15 ohm	Spec.; IEC 60093
Dielectric Constant	2.8 @Frequency 1e+6 Hz	IEC 60250
	2.8 @Frequency 50 Hz	IEC 60250
	2.9 @Frequency 1000 Hz	IEC 60250
Dielectric Strength	140 kV/mm @Thickness 0.125 mm	amorphous; IEC 60243-1
	190 kV/mm @Thickness 0.0750 mm	amorphous; IEC 60243-1
Dielectric Breakdown	13500 V @Thickness 0.0750 mm	amorphous; IEC 60243-1
	17500 V @Thickness 0.125 mm	amorphous; IEC 60243-1
Dissipation Factor	0.0030 @Frequency 1000 Hz	IEC 60250
	0.0050 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	175 V	100 drops value; IEC 60112
	200 V	CTI; IEC 60112

Thermal Properties	Original Value	Comments
Crystallization Temperature	>= 165 °C @Thickness 0.0750 mm	Cold onset
Glass Transition Temp, Tg	150 °C @Thickness 0.0750 mm

**
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PEVONIL202 / 196406

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