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Solid rocket booster (SRB) propellant

Composite propellant used in the space shuttle solid rocket boosters that consists mainly of ammonium perchlorate as the oxidizer, powdered aluminium as the metallic fuel, and PBAN, polybutadiene-acrylic acid-acrylonitrile terpolymer, as the polymeric fuel binder. A small amount of iron oxide is added to increase the burning rate. The final product is a rubbery material not unlike a typewriter eraser.

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  • Part of Speech: noun
  • Synonym(s):
  • Blossary:
  • Industry/Domain: Aerospace
  • Category: Space shuttle
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