| abstract |
The invention discloses a water-resistant phosphate cement-based repair material, which is mainly prepared from the following raw materials in parts by weight: 20-40 parts of modified magnesium oxide, 10-20 parts of potassium dihydrogen phosphate, and 10 parts of aluminophosphate cement. -20 parts, 2-4 parts of silica fume, 0.2-0.5 parts of potassium chloride, and 0.05-0.15 parts of admixtures; the invention provides a water-resistant phosphate cement-based repair material, which can be used in long-term humid environments and coastal environments Rapid repair of buildings with early strength, high strength and good water stability. |