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Are ceramic mortar and pestles safe? 

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Here we show that the very small amounts of material generated by the wear of mortar and pestle surfaces by even mild grinding can also have substantial effects on the micro-structure and transformation kinetics of certain ceramic systems so treated.
Moreover, the strength loss of CSA mortar is mitigated when dolomite or limestone is used.
Open accessBook ChapterDOI
Gina Matias, Paulina Faria, Isabel Torres 
01 Jan 2013
4 Citations
It will be possible to draw same conclusions about the interest and viability of recycling the ceramic residues as aggregates, its contribution as pozzolan and filler, and also if natural hydraulic lime-based mortars can be a good alternative to air lime-based mortar for ancient masonry.
Overall, the study has developed a suitable lightweight mortar, comprising of 10% ceramic powder, and 100% fine ceramic contents, with strength properties as that of the conventional mixes, and also ecofriendly for use.
Overall, the developed biological coating mortar possesses significant potential toward an ideal biomimetic material for concrete structures and their maintenance.
Results indicated that fresh plastering mortar reacted with the PCM differently depending on the PCM type.
The results reveal that these are non-reactive when incorporated into mortar and presented suitable mechanical behavior.
The investigation conducted confirmed that there is a possibility of using waste materials in the production of mortar.