CLEAR COATING COMPOSITION AND METHOD FOR REPAIRING CONCRETE STRUCTURE

To provide a clear coating composition which enables provision of a coating film that is excellent in storage stability, sagging resistance and dryness, and has excellent load resistance, and a method for repairing a concrete structure.SOLUTION: A clear coating composition for aerosol product contains a non-reactive acrylic resin, a reactive component, a tin catalyst, and an organic solvent, wherein the reactive component contains at least one of hexamethylene diisocyanate and a derivative thereof, the organic solvent contains a first organic solvent having relative evaporation speed when evaporation speed of n-butyl acetate at 20°C is 100 of 180 or more, the content of the non-volatile content of the reactive component is 55 pts.mass or more and 96 pts.mass or less with respect to 100 pts.mass of the non-volatile content of the clear coating composition, the content of the non-volatile content of the non-reactive acrylic resin is 4 pts.mass or more and 45 pts.mass or less with respect to 100 pts.mass of the non-volatile content of the clear coating composition, and the content of the first organic solvent is 20 pts.mass or more and 50 pts.mass or less with respect to 100 pts.mass of the clear coating composition.SELECTED DRAWING: None 【課題】貯蔵安定性、耐ダレ性および乾燥性に優れており、優れた耐荷性を有する塗膜が得られるクリヤー塗料組成物およびコンクリート構造物の補修方法を提供する。【解決手段】非反応性アクリル樹脂と反応性成分と錫触媒と有機溶剤とを含み、反応性成分は、ヘキサメチレンジイソシアネートおよびその誘導体の少なくとも一方を含み、有機溶剤は、２０℃における酢酸ｎ－ブチルの蒸発速度を１００としたときの相対蒸発速度が１８０以上の第１有機溶剤を含み、反応性成分の不揮発分の含有量は、クリヤー塗料組成物の不揮発分１００質量部に対して５５質量部以上９６質量部以下であり、非反応性アクリル樹脂の不揮発分の含有量は、クリヤー塗料組成物の不揮発分１００質量部に対して４質量部以上４５質量部以下であり、第１有機溶剤の含有量は、クリヤー塗料組成物１００質量部に対して２０質量部以上５０質量部以下である、エアゾール製品用のクリヤー塗料組成物。【選択図】なし