| 摘要 |
PROBLEM TO BE SOLVED: To obtain a hydraulic inorganic formed product having a high specific gravity, excellent in strength and good in cutting properties. SOLUTION: This hydraulic inorganic formed product has 150-400 [counts. deg.] area of the broad peak observed between 2θ=20-40 deg. when the powder X-ray diffraction is measured according to a continuous method under conditions of generator tension: 40 kV, generator current: 30 mA, divergence slit: 1 deg., receiving slit: 0.2 deg., step size: 0.050 deg. 2θand time per step: 1.00 s using Cu-kαradiation and further 1.2-1.7 g/cm3 specific gravity.
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