By using property of separating out water at high temperature for polyvinyl alcohol formaldehyde solution, kaolin and light calcium carbonate can be directly added, and technique is simplified.
在制备方法上利用聚乙烯醇缩甲醛溶液高温析水的性质，直接加入高岭土、轻质碳酸钙制胶，简化了工艺。
It is feasible solution to strengthen the manangement of water and abandon the older productive equipment. The advanced saving water technique can make new saving water development a reality.
加强用水管理，淘汰落后的生产设备是切实可行的方法， 利用先进的节水技术，可实现节水新突破。
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