失蜡铸造法中,造型材料的粘结剂“硅酸乙酯”,由于售价昂贵,影响生产成本和这项方法的发展.从事此项生产的,一向注意代用品的寻觅和工作方法的改进,下面是近年国外杂志中关于此项代用品和方法改良的几个摘要:1.在失蜡法精密铸造工作中,采用稀释的硅酸钠作为耐火 Lost wax casting method, modeling materials, binder, “ethyl silicate”, due to expensive, affecting the cost of production and the development of this method. In this production, has been paying attention to substitutes for the search and working methods Improvement, the following is a few foreign magazines in recent years on the improvement of the substitutes and methods summary of several: In lost wax method precision casting work, the use of diluted sodium silicate as a refractory