earthplatform.com

Results 1 - 10 from 24 for blowing agent in 0.514 sec.

Insulation foams
HFCs are used to create and fill out the cells during the foam blowing process. There are essentially two types of cell structures. In open cell foam, air can ... applications are either non-flammable or mildly flammable compared to the most commonly used foam blowing agent family, pentanes. Pentanes are relatively inexpensive compared to HFCs, but they require significant investment ...
fluorocarbons.org

products & applications
(XPS) HFC-143a blend component forair conditioning equipmentandcommercial refrigeration HFC-152a - propellant for specialised industrial aerosols - blowing agent component forextruded polystyrene foams (XPSS) HFC-227ea - propellant formedical aerosols -firefighting agent HFC-236fa -firefighting agent HFC- ...
fluorocarbons.org More from this site

Sourcebook Insulation
Expanded polystyrene does not contain CFCs or HCFCs. It typically uses pentane as a blowing agent and has some recycled content. (See the Engineered Sheet Materials section for alternative insulating sheathing materials.) 3.0 ...
greenbuilder.com

ESB: Spray Foam Producers Solve Ozone Problem
The latest ozone-friendly arrival is Supergreen, introduced in 1993 by Foam-Tech Inc. of North Thetford, Vermont. Supergreen uses a hydro-fluorocarbon HFC-134a as a blowing agent. HFCs contain no chlorine and have no effect on the ozone layer. Estimates of Supergreen's long-term R-value range from 6. ...
oikos.com

Global Warming Potentials of ODS Substitutes | Ozone Layer Depletion | US EPA
One of the most widely used refrigerant blends, component of other refrigerants, foam blowing agent, fire suppressant and propellant in metered-dose inhalers and aerosols. HFC-143 (C 2H ... dielectric gas and insulator in electric power equipment fire suppression. Also used as a discharge agent in military systems and formerly an aerosol propellant. HFEs Chemical Life-time GWP Use HFE- ...
epa.gov

Regulations | Alternatives / SNAP | US EPA
ODSs in all end uses in the foam blowing sector, except for specified exemptions, including use in space vehicles, nuclear energy, defense, and research ... deferring final action on its proposed decision to list HCFC-141b as an unacceptable foam-blowing agent. Rule 9- Removal of restrictions on certain fire suppression substitutes for ozone-depleting substances ...
epa.gov More from this site

Industry in the lead
Refrigerators used CFC-12 as a refrigerant and CFC-11 as a blowing agent in the insulating foam. In 1992 CFC-free insulating foam was still experimental and compressors had not yet been developed for the likely alternative refrigerant, HFC-134a. So Japan's Ministry of International Trade and Industry financed ...
ourplanet.com

Weather-Bos™ Frequently Asked Questions: General
You could also use a strong cleaning agent such as mercuric acid to the aggregate patio. However, this would procedure only be as a last resort ... be dipped in a dip tank allowing excess product to drip off. 3. You need some method of blowing hot air across the surface as product is applied in order to dry The Boss as quickly as ...
www.environmentallysafe.com

Eugene Weekly : Movies : 05.26.05
Jedi Knights. Filled with action, the screen shows clever Jedi out-maneuvering evil aliens; space craft blowing up; gigantic, burning ships falling apart in the sky, fierily plunging toward the planet. Processing ... Nations building in New York. Kidman is a UN interpreter; Penn's a Secret Service agent. PG-13. Movies 12. Online archives. Kicking and Screaming: Will Ferrell and Robert Duvall as rival ...
eugeneweekly.com

Boycott Woodchipping Campaign, North Corporate Profile
This requirement proved too difficult for ERA to meet and ... not "delay the million dollar program due to [the] shortness of the dry season". One Geopeko agent even went so far as to comment that the request for an Umpila-appointed anthropologist was an ...
www.green.net.au