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介绍了一种低碱节能的新型膨胀剂。该产品突破了目前膨胀剂常用的原材料的组成，实现了降低成本、提高性能的目的，并论述了该产品的性能及应用概况。
Introduced a new low-alkali energy-saving expansion agent. The product breaks through the current composition of raw materials commonly used for expansion agents, achieves the goal of reducing costs and improving performance, and discusses the performance and application of the product.