Saint-Gobain Norton® Fluorglas® Chemfilm® DF2919 Fluoropolymer Tape

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Saint-Gobain Norton® Fluorglas® Chemfilm® DF2919 Fluoropolymer Tape
Categories:	Polymer; Film; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE)
Material Notes:	Description: Chemfilm® Fluoropolymer Cast Films and Tapes for Wire and Cable Industry: Multi-layer cast film process ensures inherently pin-hole free structure, therefore cast films possess superior dielectric properties. The multi-layer process is ideal for bulk and surface properties suited to most demanding applications. DF2000 Series: Combines fluoropolymers with the highest temperature rating and the best electrical properties with the mechanical integrity and dielectric strength of polyimide film. Heat sealable surfaces allow these tapes to be sealed to itself and other layers of fluoropolymer tape wrap insulation at regular wire processing temperatures and the fully sintered fluoropolymer base resin enables the films to be wrapped directly over the conductor. DF2919/DF2929 Performance: Test programs in both military and commercial aircraft markets indicate the benefits of a proper ratio between fluoropolymers and polyimides to give maximum protection against arc propagation and failure. Applications include: Wire and Cable Industry Applications Information provided by Saint Gobain Performance Products.
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Physical Properties	Original Value	Comments

Specific Gravity	1.70 g/cc	ASTM D-792
Water Absorption	<= 0.25 %

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	18000 psi	ASTM D-882
Elongation at Break	100 %	ASTM D-882
Tensile Modulus	250000 psi	ASTM D-882
Tear Strength	390 kg(f)/cm	Initial Tear Strength; ASTM D-1004

Electrical Properties	Original Value	Comments
Surface Resistivity per Square	4.50e+17 ohm	ASTM D-257
Dielectric Constant	2.6 @Frequency 60.0 - 1.00e+8 Hz	ASTM D-150
Dielectric Strength	6000 V/mil	ASTM D-149
Dissipation Factor	0.010	ASTM D-150

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	500 °F	UL-746 B
Minimum Service Temperature, Air	-400 °F
Flammability, UL94	V-0

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