[Cob] Re: icynene

[Quinn]

FYI:

"Icynene is manufactured and installed on-site using two components that are heated, pressurized, and blended to react and rapidly expand at a ratio 100:1. 

The two components are 1) isocyanate MDI [methyl diisocyanate] and 2) a proprietary water-based resin formulation, which is a blend of polyols, surfactants, and catalysts. 

The product is applied in a liquefied state using a metering unit or "proportioner." The water-based resin reacts with the isocyanate MDI to produce C02, which acts as the foaming agent. Expansion is thus achieved without the use of CFC's, HCFC's or methylene chloride as auxiliary blowing agents." 

http://www.oceta.on.ca/profiles/icynene/icynene_tech.html