首页 / 专利库 / 建筑材料 / 粘合剂 / 水硬性胶凝材料 / 水泥 / 水泥添加剂 / Expansive additive for lime cement and process for the preparation of the same

Expansive additive for lime cement and process for the preparation of the same

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专利汇可以提供Expansive additive for lime cement and process for the preparation of the same专利检索,专利查询,专利分析的服务。并且An expansive additive composition for use in controlling the expansion of cement on aging comprising a sintered mixture of lime and at least one additive selected from the group consisting of ferric oxide, calcium fluoride and calcium sulfate is disclosed. The process for preparing the expansive additive composition is also disclosed.,下面是Expansive additive for lime cement and process for the preparation of the same专利的具体信息内容。

  • 2. The cement composition of claim 1, wherein said additive is ferric oxide and said ferric oxide is present at a level of from 3 to 40 percent by weight based on the weight of the crushed sintered mixture.
  • 3. The cement composition of claim 1, wherein said additive is calcium fluoride and said calcium fluoride is present at a level of from 3 to 60% by weight based on the weight of the crushed sintered mixture.
  • 4. The cement composition of claim 1, wherein said additive is calcium sulfate and said calcium sulfate is present at a level of from 30 to 85% by weight based on the weight of the crushed sintered mixture.
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