02 June 2019
The new Long March 3-A payload fairing with a diameter of 4.2 meters was designed by the China Aerospace Science and Technology Corporation (CASC)'s China Academy of Launch Vehicle Technology and has been delivered, according to a company statement published on its official WeChat account on 31 May. "Previous payload fairings with a diameter of 5 meters were built with imported materials," read the statement. "The materials, especially the core materials, used this time for a new type of payload fairing were completely domestically made, laying a solid foundation for applications for all the country's launch vehicles." The core materials are made from homegrown polymethacrylimide (PMI), a light and stable material with heat-resistance and noise cancelling capabilities, allowing full wave penetration that enables spacecraft including satellites to receive and send radio signals.
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