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尽管使用水玻璃砂生产的铸件量不断增长,但至今还没有铸造生产专用的水玻璃,所以铸造行业不得不使用建筑行业供应的水玻璃.因此,发展铸造生产专用的水玻璃值得注意.
Although the amount of castings produced using sodium silicate sand is increasing, no water glass has ever been cast and therefore the foundry industry has had to use water glass supplied by the construction industry. Therefore, it is noteworthy to develop water glass for casting production.