Fluorocarbons


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Fluorocarbons

Carbon-fluorine compounds that often contain other elements such as hydrogen, chlorine, or bromine. Fluorocarbons are used as refrigerants and propellants in aerosol products, among other uses. Common fluorocarbons include chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), hydrofluorocarbons (HFCs), and perfluorocarbons (PFCs). In 1978 the United States began phasing out the use of CFCs because of their ozone-depleting effect.
References in periodicals archive ?
On the other hand, in many developing countries including Vietnam, there is no regulation on the recovery and destruction of fluorocarbons, and as such, all of the fluorocarbons contained in things like air conditioning equipment, refrigerators and automobiles are eventually released into the atmosphere.
- HFCs are widely utilized in air conditioning applications as they are less harmful to the atmosphere in comparison to other fluorocarbon refrigerants.
Fluorocarbon is the choice of many pros, guides, and experts for fishing deeper structure.
He also informed that Pakistan does not manufacture any of the Ozone Depleting Substances and we have a strict regulatory regime to check imports of these substances with a system of licensing and quotas for import of hydro fluorocarbons.
This description SVHC is often misunderstood and will be misinterpreted by many suppliers of alternative solvents based on fluorocarbon formulations and other exotic mixtures, implying the use of EnSolv (nPB) is subject to immediate restrictions on its usage, when offering these products.
TUBIGUARD PC 3 is a coating paste based on fluorocarbon in order to achieve excellent water- and oil repellency, good washfastness and a very soft and textile handle.
Now, it seems, Freon and other fluorocarbon pollutants in the upper atmosphere may be removing ozone, which acts as a protective layer against harmful ultraviolet light.
To most of us (apart from the most committed total devotees of the market system it seems highly unlikely that the quantities of carbon dioxide and fluorocarbons we are pouring into the atmosphere from the buildings we design are not having some effect on the climate.
Along with Toyota, Denso developed the world's first car air conditioner that replaces fluorocarbons with [CO.sub.2] as a natural refrigerant.
"For instance, the Precix F86 high-fluorine fluorocarbon exhibits swell numbers up to 33 times better than conventional fluorocarbons in fuel blends.
Demand for fluorochemicals in the US will increase 5.4 percent annually to $4.5 billion, as high-value gases, polymers and specialty organics are expected to register faster growth than lower-cost fluorocarbons and inorganics.
The indexer also features simple user interface, weights and reference thermometers, corrosion resistant components for testing fluroplastics and fluorocarbons and program storage of up to 25 sets of test parameters.