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对影响酯硬化水玻璃砂性能的酯加入量、存放时间、原砂种类、水玻璃模数、混砂方式等因素进行了试验研究表明该种型砂具有较多的优点
Experiments were conducted on the factors such as the amount of ester added, the storage time, the type of raw sand, the modulus of sodium silicate and the method of sand mixing, which indicated that this type of sand had many advantages