Polytetrafluoroethylene (PTFE) is a synthetic fluorpolymer of tetrafluorothylene that has
numerous applications. The best known brand name of PTFE-based formulas is Teflon
by DuPont Co., which discovered the compound.
PTFE is a fluorocarbon solid, as it is a high-molecular-weight compound consisting wholly
of carbon and fluorine. PTFE is hydrophobic: neither water nor watercontaining substances
wet PTFE, as fluorocarbons demonstratemitigatedLondon dispersion forces due to the high
electronegativity of fluorine. PTFE has one of the lowest coefficients offriction against any solid.
PTFE is used as a non-stick coating for pans and other cookware. It is very non-reactive,
partly because of the strength of carbonfluorine bonds and so it is often used in containers
and pipework for reactive and corrosivechemicals. Where used as a lubricant,
PTFE reduces friction, wear and energy consumption of machinery. It is also commonly used
as a graft material in surgical interventions.
And this time, we applied Teflon in electronic cigarette coating, create the
healthy & environment friendly products.
Corrosion resistance: Except molten alkali metals, Teflon can withstand fluoride medium and higher
than 300 ℃ all acid sodium hydroxide (including fluoroantimonic acid, aqua regia), strong bases,
strong oxidants, reducing agents and various organic the role of the solvent.
Insulation resistance: not affected by the environment and frequency, the resistivity of up to
1018 ohm-cm, a small dielectric loss, high breakdown voltage.
High and low temperature: the influence of temperature changes little, wide temperature range
range, temperature -190 ~ 260 ℃.
Self-lubricating: the smallest with a plastic friction coefficient, is the ideal oil-free materials.
The surface is not sticky: known solid materials can not adhere to the surface, is a minimal surface
energy of solid materials.
Resistance to atmospheric aging, radiation resistance and low permeability: long-term exposure to
the atmosphere, surface and performance remained unchanged.
Incombustibility: the limiting oxygen index of 90 or less.
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