| 摘要 |
PROBLEM TO BE SOLVED: To provide a thickener for a railway vehicle that demonstrates the same degree of thicking effect as the alumina powder, while effectively using the resource.SOLUTION: Thickener for a railway vehicle is a mixed powder body of an alumina powder and a tile powder that is re-baked after crushing the tile baked at 1,170°C or more, and the ratio of the tile powder to the mixed powder is 20 mass% or more and 40 mass% or less. The tile can use the abolition tile. |
