COATING AGENT COMPOSITION FOR LOST FOAM PATTERN

摘要

PROBLEM TO BE SOLVED: To provide a coating agent composition for a lost foam pattern which can suppress sintering more effectively.SOLUTION: A coating agent composition for a lost foam pattern comprises a fire-resistant particle and a sintering agent, where the fire-resistant particle comprises at least one fire-resistant particle selected from obsidian, perlite and pitchstone (a), and a flaky fire-resistant particle (b), and the sintering agent comprises a smectite clay mineral.SELECTED DRAWING: Figure 1