COMPOSITION AND NON-FLAMMABLE MATERIAL

PROBLEM TO BE SOLVED: To provide a composition which imparts non-flammability without impairing heat insulating property.SOLUTION: A composition contains (1) cement, (2) a substance which has a specific area of 4500-12000 cm/g and contains at least free lime, anhydrous gypsum and hauyne, (3) inorganic powder having a hollow structure having an average particle diameter of 20-60 μm, and (4) waste glass foam body powder having an average particle diameter of 20-130 μm, where a used amount of (3) is 20-150 pts.mass with respect to 100 pts.mass of the total of (1) and (2), and a used amount of (4) is 20-100 pts.mass with respect to 100 pts.mass of the total of (1) and (2).SELECTED DRAWING: Figure 1 【課題】断熱性を損なうことなく、不燃性を付与する組成物の提供。【解決手段】（１）セメント、（２）比表面積で４５００〜１２０００ｃｍ２／ｇの少なくとも遊離石灰、無水セッコウ、及びアウインを含有する物質、（３）平均粒子径が２０〜６０μｍの中空構造を有する無機粉末、（４）平均粒子径が２０〜１３０μｍの廃ガラス発泡体粉末を含有する組成物であり、（３）の使用量が（１）と（２）の合計１００質量部に対して２０〜１５０質量部であり、（４）の使用量が（１）と（２）の合計１００質量部に対して２０〜１００質量部である組成物。【選択図】図１