Polyisocyanurate


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Polyisocyanurate

Type of rigid foam insulation used in above-grade walls and roofs, typically with a foil facing on both sides. This kind of insulation was made with ozone-depleting HCFC-141b blowing agent, but manufacturers have switched to ozone-safe hydrocarbons.
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References in periodicals archive ?
The flame retardant TCPP, which is a possible carcinogen, is often used in polyurethane and polyisocyanurate foam.
The Modular Box range is based on LPCB (Loss Prevention Certification Board) approved KS1100 CS wall and ceiling panels, manufactured from polyisocyanurate (KR) and conforming to the highest industry standards for energy efficiency and fire safety.
Among the more prevalent insulation materials are the rigid polyurethane, polyiso (polyisocyanurate) and Foamglas types of materials that are used for jacketing pipes used in countless refrigeration, ovens, storage, processing and transportation applications.
Among the more prevalent insulation materials are the rigid polyurethane, polyiso (polyisocyanurate) and Foamglas, types of materials that are used for jacketing pipes used in countless refrigeration, ovens, storage, processing and transportation applications.
"If you research the manufacture of polyisocyanurate building materials you will note that various MSDS sheets are clear that chemicals used in the process can leach, are carcinogens or have other hazards they present, asserts Harbor Homes official Matthew Batson.
The Dow Chemical Company has globally launched Voratherm[TM] polyisocyanurate (PIR) rigid foam for use in metal-faced sandwich panels.
Arkema's new blowing agents are also HFOs, and are intended to replace hydrofluorocarbons in polyurethane and polyisocyanurate insulating foams.
* Dabco TMR catalysts used alone or in conjunction with PUR catalysts to customize reactivities of polyisocyanurate foam.
The ten papers in this slim collection evaluate the durability of artificial roofing slate and shingles, polyisocyanurate foam insulation boards, adhesive applied low slope roofing systems, thermoplastic polyolefin films, and bituminous binders.