| 摘要 |
PURPOSE: Provided is a heating water composition for boiler, which prevents the corrosion and scale occurring in an internal combustion engine and pipe of boiler, and facilitates the cycling of the heating water, and has high heat efficiency. CONSTITUTION: The heating water composition comprises 92.1-98.8 wt% of purified glycol solution, 0.1-2.0 wt% of sodium benzoate, 0.1-1.5 wt% of tolyltriazole, 0.1-0.7 wt% of triethanolamine, 0.5-1.5 wt% of sodium nitrate, 0.3-1.2 wt% of sodium molybdate, and 0.1-1.0 wt% of potassium hydroxide, wherein the purified glycol solution comprises purified glycol as a main ingredient, and a purified water in a mixing ratio of 70-90 wt% to 10-30wt%. |
