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RAW MATERIAL FOR STRUCTURE FOR MANUFACTURING CASTING, STORAGE BODY OF THE SAME, RAW MATERIAL SLURRY, STRUCTURE FOR MANUFACTURING CASTING, AND METHOD FOR MANUFACTURING THE SAME
RAW MATERIAL FOR STRUCTURE FOR MANUFACTURING CASTING, STORAGE BODY OF THE SAME, RAW MATERIAL SLURRY, STRUCTURE FOR MANUFACTURING CASTING, AND METHOD FOR MANUFACTURING THE SAME
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机译:用于制造铸件的结构的原材料,相同的存储体,原始材料浆液,用于制造铸件的结构及其制造方法
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摘要
PROBLEM TO BE SOLVED: To provide a raw material for a structure for manufacturing a casting which hardly causes deterioration in a compression strength of a structure for manufacturing a casting obtained using a recycled raw material, and can be sufficiently utilized as a product.SOLUTION: There is provided a raw material for a structure for manufacturing a casting which contains 84 or more and less than 100 mass% of a virgin raw material and a recycled raw material, where the virgin raw material contains 10-50 mass% of an organic fiber, 2-50 mass% of an inorganic fiber, 20-60 mass% of inorganic particles and 5-50 mass% of a thermosetting resin, the recycled raw material has the total content of the organic fiber and the thermosetting resin in a predetermined range, the content of the inorganic fiber in a predetermined range, and the content of the inorganic particles in a predetermined range. In the recycled raw material, in a frequency distribution of the fiber length, the fiber having the fiber length in a range of 0.3 or more and less than 5.0 mm occupies 60-85% of the total, and the fiber having the fiber length in a range of less than 0.3 mm occupies 15-40%.SELECTED DRAWING: None
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