Cfc and Hcfc Have Which of the Following in Common
The Space Shuttle external tank ET was the component of the Space Shuttle launch vehicle that contained the liquid hydrogen fuel and liquid oxygen oxidizerDuring lift-off and ascent it supplied the fuel and oxidizer under pressure to the three RS-25 main engines in the orbiterThe ET was jettisoned just over 10 seconds after main engine cut-off MECO and it re-entered the Earths. Most manufacturers of rigid polyurethane or phenolic foam panels use pentane as foaming agent instead of the aforementioned gasses.
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Ducts can be made out of the following materials.
. A rigid phenolic insulation ductwork. Including water formulated panel for which the foaming process is obtained through the use of water and CO 2 instead of CFC HCFC HFC and HC gasses.
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