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Insulation foams
There are essentially two types of cell structures. In open cell foam, air can move into and out of the cells. In closed cell foam, the blowing agent ... foam). Safety aspects The HFCs used in foam blowing applications are either non-flammable or mildly flammable compared to the most commonly used foam blowing agent family, pentanes. Pentanes are relatively inexpensive ...
fluorocarbons.org

products & applications
HFC-134a - blend component for mobile and ... blowing agent component for extruded polystyrene foams (XPSS)     HFC-227ea - propellant for medical aerosols - firefighting agent     HFC-236fa - firefighting agent     HFC-245fa foam blowing agent for polyurethane (PUR) foams     HFC-365mfc - foam blowing agent ...
fluorocarbons.org More from this site

Sourcebook Insulation
Alternatives in rigid board insulation are available that do not use CFC's. (See ... polystyrene. 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 ...
greenbuilder.com

ESB: Spray Foam Producers Solve Ozone Problem
(CFCs) once used as blowing agents, replacing them with hydro-chlorofluorocarbons (HCFCs). But the HCFCs aren't 100 percent ... 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 ...
oikos.com

Global Warming Potentials of ODS Substitutes | Ozone Layer Depletion | US EPA
Blend component of several refrigerant blends and foam blowing agent. Also used as an aerosol propellant. HFC-227ea (C ... blowing agent and possible refrigerant in the future. HFC-365mfc (C 4H 5F 5) 8.6 -- 9.9 782 -- 950 Some use as a foam blowing agent ...
epa.gov

Regulations | Alternatives / SNAP | US EPA
HCFC-141b as an unacceptable foam-blowing agent. Rule 9- Removal of restrictions on certain fire suppression substitutes for ozone-depleting substances ( ... are acceptable substitutes for HCFC-22 in refrigeration and air conditioning end-uses. Proprietary Blowing Agent 1 (PBA 1) is an acceptable substitute for CFCs in HCFCs for rigid polyurethane ...
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 ...
ourplanet.com

Weather-Bos™ Frequently Asked Questions: General
Use heat or a drying agent to effect a quick dry, which will cause the surface to be ... similar to using a sandblaster. You could also use a strong cleaning agent such as mercuric acid to the aggregate patio. However, this would ... 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 ...
www.environmentallysafe.com

Eugene Weekly : Movies : 05.26.05
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 ... and Stimpy Show"). PG. Cinemark. Cinema World. Miss Congeniality 2: Armed and Fabulous: Lucky FBI Agent Sandra Bullock has an outspoken partner (Regina King) who calls her "Barbie" and keeps ...
eugeneweekly.com

Boycott Woodchipping Campaign, North Corporate Profile
This requirement proved too difficult for ERA to ... "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 ...
www.green.net.au