Polyurethane Sample Clauses

Polyurethane. Throughout the years, there have been a number of small foam manufacturing operations in California – largely in packaging foam. Companies have come and gone in this sector making it difficult to gain a consistent picture of activity for the foam sector. There is no record of collective foam volume produced across a multiple product mix, but emissions would be relatively small. The majority of these products switched to hydrocarbons as early as 20 years ago. There is no bank to be considered here. At this time, there are two PU panel producers in California and there are at least 20 spray-foam contractors, together producing an estimated 9,800 tons of PUR/PIR foam/year4. PUR Spray foam is using HFC-245fa and PUR panels use pentane blends. They all changed from HCFC-141b around 2005. Polyisocyanurate (PIR) formulations have historically used CFC-11, before switching to HCFC-141b and then eventually converted to hydrocarbons about 10 years ago. The total emissions are relatively insignificant for a boardstock plant running continuously. 3 Comment from Xxxxxx Xxxxxxx of RJR Consulting Inc. (November 2010) 4 Caleb calculation based on: Polystyrene and Polyurethane Foam Insulation Products in U.S. Building and Construction; SBI Energy, 2008 (2007 estimate based on a 10% share of US PU construction foam shipments worth $492 million, and PU foam cost at $5/kg). Figure 3-1 2007 IN-STATE POLYURETHANE/POLYISOCYANURATE PRODUCTION 2007 Estimated PUR/PIR Foam Production in California (Total = 9,840 tons ODS) 20% 8% Spray Foam Composite Panels Boardstock; PiP 72% Production for the period 1960 – 1969 grew by 8%/year, and for 1970 – 1979 it grew by 5%/year, as it did for the period 1980 to 1989. For the period 1990 to 2009, production grew by around 3%/year (rounded down for no growth from 2007).
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