89108 ⎘
Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances; Preparing or treating the raw materials individually or as batches; Compounding ingredients; Burnable, meltable, sublimable materials characterised by distribution, e.g. for obtaining inhomogeneous distribution of pores
Method for manufacturing ceramic filter
#2Ceramic body forming batch materials comprising silica methods using the same and ceramic bodies made therefrom
#3Ceramic-body-forming batch materials comprising silica, methods using the same and ceramic bodies made therefrom