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CAPE CANAVERAL, Fla. – In the tile shop at NASA's Kennedy Space Center, a Boeing Replacement Insulation 18, or BRI-18, tile still glows after being baked in a 2,200-degree oven. The baking is part of the process to prepare the tiles for installation on space shuttles. BRI-18 is the strongest material used for thermal insulation on the orbiters and, when coated to produce toughened unipiece fibrous insulation, provides a tile with extremely high-impact resistance. It is replacing other tiles on areas of the vehicle where impact risk is high, such as the landing gear doors, the wing leading edge and the external tank doors. Photo credit: NASA/Jim Grossmann