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Beta Cloth Fabric

Beta Cloth Fabric

What is Beta Cloth?

  • Beta cloth is a type of fireproof silica fiber cloth that was used in the production of Apollo/Skylab A7L space suits, the Apollo Thermal Micrometeoroid Garment, the McDivitt Purse, and in a variety of other specialized applications. 
  • It is a material similar to fiberglass that is woven into a very tiny mesh, resulting in a cloth that does not catch fire and will only melt at temperatures higher than 650 degrees Celsius.
  • Teflon is used to coat the fibers so that they have less of a propensity to break or fold while they are being handled and so that they last longer.
Beta Cloth

History

  • After the fatal fire that occurred on the Apollo 1 launch pad in 1967, in which the astronauts' nylon suits were completely consumed by the flames, NASA decided to add it into their spacesuits.
  • Following the incident, NASA issued a requirement that any items with the potential to catch fire be removed from the spaceship as well as the space suits.
  • A team from the Manned Spacecraft Center led by Frederick S. Dawn and including Matthew I. Radnofsky created the Manned Spacecraft Center Beta fabric. This team collaborated with Owens-Corning and DuPont to produce this fabric.
Beta Cloth

What Makes it Stand Out?

Fire-resistant

The fabric does not burn easily. Its melting point is over 650 degrees celsius. 

Durable

Due to the coating of Teflon, the fabric is durable and does not tear easily. 

Applications & Uses

  • The fabric is used in the production of Apollo/Skylab A7L space suits, the Apollo Thermal Micrometeoroid Garment, the McDivitt Purse, and in a variety of specialized applications. 

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