Labels:bulletin board | dialog box | hakham | sky | web site | window OCR: Tile-making Sands Grading measure of the size of the different grains of sand. The tile making process requires sand of particular size characteristic The chemistry the sand refers to component minerals of the sand or even contaminants which may have harmful effect Chloride present in marine sand interferes with the cement hydration and may reduce long term concrete performance in terms of both strength and durability) Physical proper rties of the sand may effect its suitability e.g the shape of the sand may effect its workability Very strongly colored sand may effect color durability its the tile weathers Consistency; When we select aggregates we must ensure that adequate reserves of the sand are available nydration tern Physica oroperties sano weat Wher
