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After each flight, the orbiter thermal protection system is rewaterproofed. Dimethylethoxysilane is injected into each tile through an existing hole in the surface coating with a needleless gun, and the AFRSI blankets are injected with DMES from a needle gun.

The contractors for the thermal protection system are Vought Corporation, Dallas, Texas (RCC); Lockheed Missiles and Space Co. Inc., Sunnyvale, Calif. (HRSI and LRSI and HRSI FRCI-12 tiles); Albany International Research Co., Dedham, Mass. (Nomex felt); General Electric, Waterford, N.Y. (room-temperature vulcanizing adhesive); 3M Company, St. Paul, Minn. (AB312 fibers); Santa Fe Textiles, Santa Ana, Calif. (Inconel 750 wire spring and fabric sleeving); ICI United States, Inc., Wilmington,Del. (alumina mat); J.P. Stevens Co., Los Angeles, Calif. (quartz thread); Corning Glass Works, Corning, N.Y. (Macor machinable glass ceramic); Velcro Corp., New York, N.Y. (Velcro hooks and loops); Prodesco, Pa. (fibrous pile-S glass); and Rockwell International, Downey, Calif. (AFRSI quilted fabrics).

Curator: Kim Dismukes | Responsible NASA Official: John Ira Petty | Updated: 04/07/2002
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