Been reading up on Mullite fibre uses. The applications include cat. converters on diesel engines and spray on high temp insulation. Great to see them exploring all the options to maximise the market value of the byproduct of the tungsten. They must be very intelligent and technically adept.
https://en.wikipedia.org/wiki/Mullite#cite_note-12
Use as a catalyst[edit]Recent research indicates that a synthetic analogue of mullite can be an effective replacement for platinum in diesel engines for exhaust management.[12]
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