| 摘要 |
<p>A powdery washing agent composition for use in an automatic washing machine for hard articles, comprising (a) polyacrylic acid or a salt thereof, (b) a copolymer of acrylic acid and maleic acid or a salt thereof, (c) at least one alkaline agent selected from the group consisting of carbonates and silicates in an amount of 35 wt% or more, and (d) an organic chelating agent, wherein the total amount of the components (a) and (b) is 6 wt% or more and the (a)/(b) ratio is 1 or more (by weight).</p> |
