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引言JM—Ⅱ型混凝土减水剂是成都木材综合厂的硫酸盐法蒽醌工艺造纸废液;JM—Ⅱ(S)型混凝土减水剂是在JM—Ⅱ中复合适量的硫酸钠,以提高混凝土的早期强度,属于早强型减水剂。国内的混凝土减水剂以木质素磺酸钙产量最大,用得最多。近几年来一些单位直接把亚
Introduction JM-II concrete water reducer is the kraft smelting process papermaking waste liquid in Chengdu Wood Integrated Plant; JM-II(S) concrete water reducing agent is a complex amount of sodium sulphate in JM-II to improve The early strength of concrete is early strength superplasticizer. Domestic concrete water-reducing agent has the largest output of calcium lignosulfonate and is used most. In recent years, some units directly