化学建材是一项新型建筑材料。它的品种很多内容很广泛。主要包括建筑塑料、建筑涂料、隔热隔声材料、嵌缝密封材料、粘结剂、混凝土外加剂等。可与木材、钢材、水泥三大材料并列,成为建筑工程的第四大建筑材料。世界上一些工业发达国家开发应用较早,并已成为一门新兴行业。我国从五、六十年 Chemical building materials is a new type of building material. Its variety is very extensive. Including construction plastics, architectural coatings, thermal insulation materials, caulking sealing materials, adhesives, concrete admixtures and so on. With the three major materials of wood, steel, cement, and become the fourth largest building materials construction. Some industrial countries in the world have developed and applied earlier and have become a new industry. My country has been from fifty to sixty years