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Halar ^® Coatings

Halar Has a Wide Range of Industrial Uses:

HALAR ECTFE is a melt processable fluoropolymer. Because of its chemical structure, a 1:1 alternating copolymer of ethylene and chlorotrifluoroethylene, HALAR offers a unique combination of properties especially as a coating or lining.

HALAR fluoropolymer coatings provide excellent chemical resistance, good electrical properties, a broad-use temperature range from cryogenic to 300°F (150°C), and meet the requirements of UL-94 V-O vertical flame test in thicknesses as low as .007" (7 mils). Halar is a tough material with excellent impact strength over a wide temperature range.

Halar ECTFE also maintains useful properties on exposure to cobalt 60 radiation at dosages of 200 megarads. It’s one of the best fluoropolymers for abrasion resistance.

Barrier Properties

Barrier properties of Halar coatings are 10 to 100 times better than those of PTFE or FEP to oxygen, carbon dioxide, chlorine gas or hydrochloric acid.

Chemical Resistance

Halar coatings and sheet linings resist a wide variety of corrosive chemicals and organic solvents, including strong acids, chlorine, and aqueous caustics.

Electrical Properties

The dielectric constant of Halar fluoropolymers is low (2.6 for solid insulation to 1.5 for foamed insulation) and stable across a broad temperature and frequency range. The dielectric strength is 80 kV/mm (2000 V/mil) in 25mm thicknesses.

Flammability

Halar fluoropolymer has received a UL 94 V-O rating in thickness as low as .007" (7mils), making it superior to ETFE which receives a V-O rating in thickness only as low as 1/16". The oxygen index (ASTM D-2863) of HALAR fluoropolymer is a minimum of 52.

Flame Spread & Smoke Generation

Halar fluoropolymer, because of its low flame spread and low smoke generation characteristics, has received UL 910 (NFPA 262) listing up to 200 pair communication plenum cable and also meets automotive industry requirements of FM VSS 302.

Machinability

Similar to Nylon 6.

Processability

Halar fluoropolymers can be easily processed by injection molding, compression molding, blow molding, extrusion, rotomolding, and electrostatic spray and fluidized bed coating techniques.

Purity

Tests on static soak in both UPW and piranha show that the Halar ECTFE has very high purity and is suitable for use in the semiconductor industry for UPW and chemical service.

Radiation Resistance

Halar coatings maintain useful properties on exposure to cobalt 60 radiation of 200 megarads.

Surface Characteristics

Part of the excellent performance of Halar ECTFE coatings is due to the very smooth surface that exists on fabrication. This smoothness distinguishes Halar from other fluoropolymers such as PVDF, ETFE, FEP, PFA, and PTFE.

Thermal Properties

Halar fluoropolymer is UL certified for use in non-load bearing applications requiring continuous service at temperatures to 150°C (300°F).

Toughness and Strength

Halar coatings possess excellent mechanical properties over a wide range of temperatures from cryogenic to 150°C (300°F). It has nylon-like durability and provides excellent impact resistance at ambient and sub-ambient temperatures.

Weldability

Halar fluoropolymers are weldable with ordinary thermoplastic welding equipment at 300-315°C (575-600°F), making it suitable as a sheet lining in large tanks and vessels.

Water Absorption

Less than 0.1%.

Contact ICS TECHNOLOGIES to learn which Halar coating is right for your project.

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