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通过对DY粘结剂砂和合脂砂的对比试验，证明DY粘结剂砂的多项性能均优于合脂砂，将其应用在生产中代替合脂砂，方便了生产操作，改善了劳动环境，铸件质量稳定，并可为工厂带来一定的经济效益。
Through the comparison test of DY binder sand and synthetic sand, it is proved that the performance of DY binder sand is better than that of synthetic sand, and its application is used instead of synthetic sand in production, which facilitates the production operation and improves the labor Environment, casting quality and stability, and for the factory to bring some economic benefits.