| 摘要 |
PURPOSE:To obtain a paint which can inhibit high-temperature oxidation when applied to the surface of a steel slab, by mixing a specified ceramic base with a specified ceramic aid, a specified binder, a specified metal powder, a specified sintering accelerator, a specified polymer and a specified aggregate. CONSTITUTION:A paint comprising 20-50wt.% ceramic base (a) (silicon carbide, silicon nitride, stabilized zircon or mica), 25-50wt.% ceramic aid (b) such as alumina (1) which is a flat fine particulate alumina having a large alpha-crystal and a low sintering shrinkage, alumina (2) which is a flat particulate alumina having a high rate of the alpha-form, a stable sintering shrinkage and an average particle diameter <=100mu and alumina (3) which is an easily sinterable ultramicroparticulate alumina having a low water content and a medium soda grade, 10-40wt.% binder (C) (neutral aluminum phosphate), 5-6wt.% Fe, Cu, Ni or Cr (d), sodium carbonate (e), 2.5-15wt.% (in terms of solid matter) aqueous liquid (f) of a (co)polymer which can form a water-resistant film and 5-15wt.% potassium titanate fiber (g).
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