| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,726,437,734 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
HCFCs |
Also found in: Dictionary/thesaurus | 0.01 sec. |
|
HCFCs: see chlorofluorocarbons Halons are organic compounds that are similar to CFCs. They contain carbon, fluorine, and bromine and may contain chlorine. Halons have been used primarily as propellants in fire extinguishers. ..... Click the link for more information. . How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | |
|---|---|---|
Isotron line of HCFCs used as physical blowing agents for PUR, PS, and PE. With the phase-out of HCFCs imminent, the presentations in Session A on "Construction" will turn to practical issues involving alternative blowing agents. The stage for change was set by the 1987 Montreal Protocol on Substances that Deplete the Ozone Layer, which identified CFCs and HCFCs as ozone-depleting substances. |
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|