Editing Calcium silicate (section)

===As a product of sealants===
It is used as a sealant in roads or on the shells of fresh [[egg (food)|eggs]]: when [[sodium silicate]] is applied as a sealant to cured [[concrete]] or egg shells, it chemically reacts with [[calcium hydroxide]] or [[calcium carbonate]] to form calcium silicate hydrate, sealing micropores with a relatively impermeable material.<ref>{{cite journal | last1 = Giannaros | first1 = P. | last2 = Kanellopoulos | first2 = A. | last3 = Al-Tabbaa | first3 = A. | year = 2016 | title = Sealing of cracks in cement using microencapsulated sodium silicate | journal = Smart Materials and Structures | volume = 25 | issue = 8| page = 8 | doi = 10.1088/0964-1726/25/8/084005 | bibcode = 2016SMaS...25h4005G | doi-access = free }}</ref><ref>{{cite journal | last1 = Passmore | first1 = S. M. | year = 1975 | title = Preserving eggs | journal = Nutrition & Food Science | volume = 75 | issue = 4| pages = 2–4 | doi = 10.1108/eb058634 }}</ref>