| 摘要 |
PURPOSE: A tray cleaner composition for alginate-impression is provided to ensure harmlessness to the body by constituting materials used for food and excellent solubility to the alginate-impression. CONSTITUTION: A tray cleaner composition for alginate-impression comprises: 65 ~ 85 weight% of at least one kind of organic acid selected from citric acid, sorbic acid, glucosan and maleic acid; 1 ~ 20 weight% of ligand compound; and 1 ~ 15 weight% of sodium carbonate. The tray cleaner composition comprises further 0.01 ~ 10 parts by weight of at least one fluoride compound selected from NaF, KF, (NH4)F, H2SiF6 and FCH2COONa. |
