Electrostatic Discharge

Under certain conditions vehicle fires can occur via the fuel system. To counteract this scenario you and your customers may specify that the entire fuel system be able to dissipate an electric charge. If this is a real situation that you and your customers face, Precix now offers four electrostatic discharge compounds for specification in your system:

F98: Semi-Conductive Fluorocarbon material that utilizes carbon nano-tubes (10^1 – 10^3 ohm cm-typical)
F126: Enhanced semi-Conductive Fluorocarbon material that utilizes carbon nano-tubes (under 5 ohm-cm typical).
Below is information on both offerings. Please Contact Precix Materials Engineering to learn more.

Both Materials Offering the Following:

Benefits

Excellent Heat Resistance
Excellent Resistance to Fuels/ Flex Fuels
Fluorocarbon as a base
Semi-Conductive High-fluorine (GF® Type)
Strong Ability to Dissipate Static Charge
Superior Property Profile

Applications

Aggressive Oil and Chemical Environments
Fuel Connection O-Rings and Seals
Systems with “Static Charge” Concerns

Material

Black, 100% Virgin Material
Meets typical automotive fuel line connector (primary seal) specifications
Typical Volume Resistivity of 10^1 – 10^3 ohm-cm

What is different about F98/F126 as compared to conductive carbon black filled products?

Better maintains conductivity under load/compression – the spaghetti-like Nanotubes still carry the charge even under normal ring compression of, say, 25%.
F98/F126 utilizes carbon Nanotubes in place of conductive carbon black. Nanotubes form excellent networks that allow for superior static dissipation through the elastomer. Static dissipation is achieved with very low loading which preserves more of the base polymer properties, which translates into superior sealability while dissipating static charges. Random distribution (better dispersion) within the o-ring/seal provides for uniform conductivity and balanced shrink rates.
Reduced permeation rates – the introduction of Nanotubes reduces through-seal permeation rates, as compared to standard GF types, by 3 – 5X. More ->
Reduced volume swell in fuel C and 85/15 blends:
Softer and more flexible than carbon black filled offerings (79 duro vs the 85+ of the typical conductive carbon black offering).

Additive	100% Fuel C % vol. change	85% Fuel C / 15% Methanol %vol. change
Nanotubes	+2.7	+11.3
Carbon Black	+8.6	+17.7

PRECIX® SUCCESS DEMANDS PRECISION®

We are the most trusted name in fuel seals, Precix® o-rings and custom elastomer solutions especially when aggressive chemicals and temperature extremes are the norm and failure is not an option. Our operations and setup allows us to seamlessly integrate our products, processes and people into your operations – becoming a natural extension of your business and helping you succeed.

If you are looking for help with seals, o-rings or any other custom elastomeric solutions then call us at 1-800-225-8505.