Under the conditions of higher water-cement radio, a certain consistency FDN high-range water reducer and hermetic surrounding, the cement paste did not set in a long time.
FDN與木鈣複合,以緩凝劑控制坍落度經時損失,以保水劑降低混凝土泌水率,配製出混凝土坍落度經時損失較小、*能優良的多元複合泵送劑。
根據在電瓷絕緣澆裝生產工藝中存在的問題,提出了採用“FDN”減水劑的方法。
在較大水灰比,一定濃度FDN高效減水劑及密閉條件下,上層水泥漿體會長時間不凝結。