azumi iri daya ne da na rini(1)
azumi iri daya ne da na rini, azumi iri daya ne da na rini 3-5% azumi iri daya ne da na rini (azumi iri daya ne da na rini, azumi iri daya ne da na rini 0.5%), azumi iri daya ne da na rini, which is better than that of fine ceramics. Porcelain is a higher stage in the development of ceramics. It is characterized by complete sintering and vitrification of the body, so it is very dense, and has no permeability to liquid and gas. [...]