- polyisocyanurate
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A form of polyurethane polymer, based on cyanuric acid, formed from a polyhydroxy alcohol and a diisocyanate; it forms foams that are used for thermal insulation
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polyisocyanurate
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Polyisocyanurate — Le polyisocyanurate, aussi appelé PIR, est essentiellement une amélioration de polyuréthane (PUR). Chimie Du polyéther, est utilisé comme catalyseur dans la production du polyuréthane. Dans la production du polyisocyanurate, le polyéther est… … Wikipédia en Français
Polyisocyanurate — Description Polyisocyanurate, also referred to as PIR or ISO, is essentially an improvement on polyurethane (PUR). Different catalysts are used and the proportion of methylene diphenyl diisocyanate (MDI) is higher than for PUR. Instead of a… … Wikipedia
PIMA — Polyisocyanurate Insulation Manufacturers Association (Community » Unions) **** Portable Infrared Mineral Analyzer (Academic & Science » Geology) *** Photographic And Imaging Manufacturers Association (Computing » Drivers) * Photonic Ionization… … Abbreviations dictionary
Building insulation materials — A selection of insulation materials can aid in building insulation. All of these are based on standard principles of thermal insulation. Materials used to reduce heat transfer by conduction, radiation or convection are employed in varying… … Wikipedia
Materiales para aislamiento de edificios — Ejemplo de aislamiento con mantas de lana mineral y otros selladores. Una selección de materiales de aislamiento puede ayudar al aislamiento de edificios. Todos estos se basan en los principios del aislamiento térmico. Materiales utilizados para… … Wikipedia Español
Isolant thermique — Sur les autres projets Wikimedia : « Isolant thermique », sur Wikimedia Commons (ressources multimédia) Isolant thermique sur la sonde spatiale … Wikipédia en Français
R-value (insulation) — The R value or R value is a measure of thermal resistance (K·m²/W) [Oak Ridge National Laboratory, [http://www.ornl.gov/sci/roofs+walls/insulation/ins 02.html Which Kind Of Insulation Is Best?] , retrieved 2008 07 13.] used in the building and… … Wikipedia
PIC — or Pic can refer to the following:Technology* Personal Internet Communicator * Pic language (computer image description language) * PIC microcontroller by Microchip, Inc. * PICtor PIC image format * Pixar Image Computer * Plastic identification… … Wikipedia
Pir — may refer to:*Pir (Sufism), a Sufi teacher, spiritual leader *Pir (Zoroastrianism), a site in Persia, frequently one of the Zoroastrian faith *Pir of the Britons, legendary king of the Britons *Pir, Satu Mare, commune in Satu Mare County,… … Wikipedia
Barra system — The Barra system is a passive solar building technology developed by Horazio Barra in Italy. It uses a collector wall to capture solar radiation in the form of heat. It also uses the thermosiphon effect to distribute the warmed air through… … Wikipedia
