Abstract In order to improve the construction technology level of the connection nodes of prefabricated buildings and improve the mechanical properties. fluidity and economy of the connection mortar. this paper adopts the orthogonal experimental design to improve the cement mortar by adding polymer dispersible polymer powder. A modified high-performance mortar with 1d compressive stre... https://www.revivedfurnitureandhomedecores.shop/product-category/fall-candle/