| 摘要 |
<p>A powdered cleaning composition for automated machines that clean hard articles, which contains (a) 8 mass% or more of a polymer selected from polyacrylic acid and salts thereof and copolymers of acrylic acid with maleic acid and salts thereof, (b) 10-90 mass% of a silicate selected from meta-silicates and ortho-silicates, and (c) a carbonate, and the total of the silicate (b) and the carbonate (c) is 35-92 mass%.</p> |
