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Home > DAIKIN SOLUTIONS > Technical challenges > Electrical properties

Electrical properties

With instant data and big data as a paramount concern, computers and other electronic devices are shifting to higher frequencies. It represents an additional challenge when it comes to specifying the right plastic materials vs. frequencies. Daikin supports the electronic devices producers with a full portfolio of polymers having different electrical properties, as well as broad expertise in electronic design.

ABOUT

Why Fluoropolymer have interesting electrical properties?

The electrical stability of fluoropolymers, is due to their symmetrical molecule structure (C2F4)n and the short distance between the carbon and fluorine. 

Low relative dielectric constant materials

Fluoropolymers are electrically stable and less sensitive to high frequencies.
Fluoropolymers such as PTFE have the lowest dielectric constant and the lowest loss against any plastics. For this reason, they are widely used for applications, such as insulation materials, coaxial cable, robot wiring and printed circuit board.

Product Properties
High frequency Low frequency
Dielectric constant  Dielectric loss tangent Dielectric constant  Dielectric loss tangent Volume resistivity
(Ω/cm)
Fluoropolymer Fluoropolymer films Fluoro coatings Polymer additives PTFE 2.1 2×10-4 2.1 <1×10-5 >1018
PFA, FEP 2.1 3～4×10-4 2.1 <2×10-5 >1018
ETFE, EFEP
CPT, PCTFE
 		2.3～2.8 5×10-3～0.16 2.3～2.8 8×10-4～0.027 >1016
Fluoroelastomer 6～8 (60Hz) - - - 1012～14
Coating resins* 2.6～2.8 1×10-2 - - >1016
OPTOACE conformal coating - - - - 1020～22

*measurement value of coating film blended with curing agent
The above numeric values are representative and not guaranteed.

OUR SOLUTION

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Fluoropolymers

Fluoropolymers are widely used because of their unique non-adhesive and low friction properties as well as their superior heat, chemical and weather resistance and superior electrical properties.

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Fluoroelastomers

DAI-EL fluoroelastomer products provide excellent high temperature and aggressive fluids resistance in sealing and fluid transport applications.

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Fluoropolymer coatings
Daikin’s fluoro coatings allow for the users to enhance the processability of the products and to impart improved characteristics to the final parts.

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OPTOACE conformal coating

OPTOACE is a distinctive fluorochemical coating solution that has excellent moisture-proofing properties. 

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Coatings resins
ZEFFLE Series are designed to meet building and constructions most strict outdoor specifications. 

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Polymer additives
Daikin's lubricants additives, anti-dripping modifiers, and processing aids allow for the processors and end-users to benefit in compounded materials. 

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Fluoropolymer films

Fluoropolymer films provide parts or production processes outstanding chemical resistance, transparency, weather resistance, heat resistance or more functions.

APPLICATIONS

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Designing an electronic device in the miniaturization context is made difficult by the variety of system operating.  Beyond the chemical characteristic of the selected plastics, many criteria must be considered such as part thickness, conversion process additive used, etc. The most central measure considered is the dielectric constant. To fit on a broader array of needs, DAIKIN proposes fluoro-based material having low and high relative dielectric constants.
  • Under-the hood wires
  • LAN cable
  • Base station
  • Coaxial cable 
  • Lithium ion secondary battery
  • Wind-power generation
  • Photovoltaic solar cell
  • Printed board
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