We filtrate the raw material, adopt orthogonal experiment to determine proportional. The results show that the core sand adhesive has excellent technological property, and has no pollution.

• 采用正交试验设计找出最佳制备条件,对原材料进行筛选,确定工艺配比。实验结果表明,采用膨化、交联技术制造的砂芯粘结剂具有优良的工艺性能,对环境无污染