UNDERWATER INSEPARABLE MORTAR COMPOSITION AND MORTAR THEREOF

To provide an underwater inseparable mortar composition excellent in underwater inseparability, having sufficient flowability for filling and usable time, and also having light weight, and to provide a mortar thereof.SOLUTION: An underwater inseparable mortar composition includes a binder containing at least cement, an inorganic filler, and a thickener, wherein the content of the inorganic filler is 65 to 90 pts.mass with respect to a total of 100 pts.mass of the binder and the inorganic filler; and the content of the thickener is 0.3 to 0.8 pt.mass with respect to a total of 100 pts.mass of the binder and the inorganic filler.SELECTED DRAWING: None 【課題】水中不分離性に優れ、充填可能な流動性及び可使時間を有し、且つ、軽量性を兼ね備える水中不分離性モルタル組成物及びそのモルタルを提供すること。【解決手段】セメントを少なくとも含む結合材と、無機フィラーと、増粘剤とを含み、無機フィラーの含有量が、結合材及び無機フィラーの合計１００質量部に対し、６５〜９０質量部であり、増粘剤の含有量が、結合材及び無機フィラーの合計１００質量部に対し、０．３〜０．８質量部である、水中不分離性モルタル組成物。【選択図】なし