Experimental Study On the Adaptability Of the Water-reducing Agent in the Production Of Gypsum Board
Abstract: According to the actual situation there are poor adaptability between water reducing agents and gypsum in the production of plaster board, three types of water-reducing agent are chosen in this subject: lignin, naphthalene and polycarboxylate. Based on the requirements of the production process,effects of three different types of water-reducing agent on setting time, [...]