PROBLEM TO BE SOLVED: To provide a foamable tablet for cleaning that has a high hardness.SOLUTION: Provided is a foamable tablet for cleaning, containing a metal silicate together with a foaming agent, and in which, when blended so that the product of the percentage content and the specific surface area of the metal silicate becomes 3.5 or more, the foamable tablet for cleaning can have a high hardness. This can suppress the occurrence of cracking/chipping and the like of the foamable tablet for cleaning during packaging, transportation, use (when carrying) and the like. The foamable tablet for cleaning may further contain a surfactant, and preferably is used as a denture-cleaning agent.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】本発明の目的は、高い硬度を備える発泡性洗浄用錠剤を提供することである。【解決手段】発泡性洗浄用錠剤において、発泡剤と共にケイ酸金属塩を含有し、且つケイ酸金属塩の含有率と比表面積との積が３．５以上となるように配合すると、発泡性洗浄用錠剤に高い硬度を備えさせ得る。これによって、発泡性洗浄用錠剤の、包装時、輸送時、使用時（携帯時）等に割れ・欠け等が生じるのを抑制することができる。発泡性洗浄用錠剤は、更に界面活性剤を含むことができ、好ましくは義歯洗浄剤として用いられる。【選択図】なし
