Kel-F® (PolyChloroTriFluoroEthylene) is a fluorocarbon based polymer and is frequently abbreviated as PCTFE. PCTFE combines physical and mechanical properties, non-flammability, chemical resistance, near zero moisture absorption and excellent electrical properties not found in any other thermoplastic fluropolymer.
Kel-F® also known as PCTFE or CTFE has many of the properties similar to other fluoropolymers such as PTFE, FEP, or PFA, but is mechanically superior in rigidity and has very low gas permeability.
Kel-F® maintains an outstanding electrical-insulating capability through thermal cycling and in high humidity environments. This material’s high compressive strength and dimensional stability make it a good choice for structural material, while its low outgassing rate and permeability make PCTFE a great choice for laboratory, aerospace, flight applications, and instrumentation.
Please Note: The Kel-F® brand belongs to 3M, but their production was discontinued in 1995. The only remaining resin is made by Daikin Industries of Japan and called Neoflon®.
Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative by filling out the form below.
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At a Glance
Generic Name PolyChloroTriFluoroEthylene
Available In Sheet, Rod, Tube
Certifications ASTM-D-1430, AMS 3650, FDA Regulation 21 CFR 177.1380, Mil-P 55028, Mil-P 46036 Type 1 (general) & Type 2 (electrical)
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.125” – 1.25”
12, 14″, 15″ sq ; CTS
.125” – 3” dia
Std sizes, CTS
I.D. 1/16” – 7/8” O.D. 1/8” – 1″
Std sizes, CTS
Notes: Kel-F® is a registered tradename of 3M. In 1995, 3M discontinued manufacturing of Kel-F. Currently, all PCTFE resin is manufactured by Daikin under the tradename of Neoflon® or by Allied Signal under the tradename of Aclon®. Kel-F is still the most commonly used tradename used to describe PCTFE.
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Bearings-Sleeve & Thrust
Compressors & Pumps
Valves-Seats, Stems, & Seals
Valve seats, seals, and stems
Gears, cams, bearings
Fluid handling systems
Near zero moisture absorption
Extremely low outgassing
Excellent electrical insulating properties
Resists most corrosive chemicals
Excellent performance under a wide temperature range
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