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Foaming of flat glass cullet using Si3N4 and MnO2 powders
The introduction of a compound capable of releasing oxygen, such as MnO2, greatly improves the foaming ability of Si3N4 used as foaming agent in soda-lime glass powder, leading to expansion at a relatively low temperature ...
Sintering of raw glazes for floor and porcelain tiles: A non-isothermal kinetic model
New fritless glaze compositions have been developed for floor and porcelain tiles from a new boron raw material obtained by calcination. The complexity of this type of composition also translates into complex behaviour ...