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Aleastrasil is a composite of randomly oriented silicon dioxide fibers ( silica fibers ) and phenolic resin compounds . Because of its heat resistance and its low abrasion factor it is for the production of heat shield tiles used, the spacecraft during reentry into the atmosphere protect (for. Example, when Atmospheric Reentry Demonstrator of ESA ).

Individual evidence

  1. ARD. (No longer available online.) Archived from the original on October 10, 2012 ; Retrieved February 21, 2013 .