ngwaahịa

  • Basalt Fibers

    Basalt Fibers

    Basalt fibers bụ eriri na-aga n'ihu nke eserese ọsọ ọsọ nke platinum-rhodium alloy waya-ịbịaru efere mgbe ihe basalt gbazee na 1450 ~ 1500 C.
    Njirimara ya dị n'etiti eriri S iko dị elu na eriri E na-enweghị alkali.