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Rockwool was the world's largest maker of insulation materials in 2009, [6] but had fallen to the second largest by 2016. [7] As of 2009, 90% of the company's revenue came from the sale of insulation products, while 80% came from sales in Europe. [6]
The car types, which were part of the MTA NYCT GOH program, are the IRT Redbirds (R26, R28, R29, R33, R33S, R36), as well as IND/BMT cars (R30 GE, R32, R38, R40, R40A, R42, R44, and R46). These cars were rebuilt between 1985 and 1993. Some cars in various classes from R10 to R46 were also given lighter overhauls during this period.
Mineral wool is also known as mineral cotton, mineral fiber, man-made mineral fiber (MMMF), and man-made vitreous fiber (MMVF).. Specific mineral wool products are stone wool and slag wool.
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The R38 was a New York City Subway car model built by the St. Louis Car Company from 1966 to 1967 for the IND/BMT B Division. Two hundred were built in married pairs . In addition, the R38s were built to supply extra trains for service changes resulting from the 1967 opening of the Chrystie Street Connection .
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Installed faced fiberglass batt insulation with its R-value visible (R-21) [1]. The R-value is a measure of how well a two-dimensional barrier, such as a layer of insulation, a window or a complete wall or ceiling, resists the conductive [2] flow of heat, in the context of construction. [3]
The table is sortable by each of the following refrigerant properties (scroll right or reduce magnification to view more properties): Type/prefix (see legends); ASHRAE number