Sand is mulled (mixed) thoroughly with additives such as bentonite to increase bonding and overall strength.
型砂与膨润土之类的添加剂充分地混合以增强连接及整体强度。
The present situations of resin -bonded sand used in DFM foundries are introduced. The mechanism and its application of additives for the resin -bonded sand are presented.
介绍了东风公司铸造厂生产用树脂砂的现状，阐述了树脂砂添加剂的作用机理及生产应用情况。
This result is achieved without thermal processing, additional surface polishing, use of polymeric additives and also without additional grinding of cement and sand.
整个过程无需借助热处理程序、额外的表面刨光，也无需利用聚酯添加剂或对水泥和沙子进行额外的碾压。
No sand, cement or other additives should be mixed in construction site.
严禁工地现场私自添加砂子、水泥及其他添加剂。
To ensure the quality of the deck, the quality of sand gravel aggregate, cement, additives, leveling of slope face and erection of lateral forms, and the collapse degree were controlled strictly.
为保证面板的质量，对砂石骨料、水泥、外加剂和坡面平整度、侧模安装质量及混凝土的塌落度等进行了严格的控制。
In this paper, some anti-burn on additives for green mould sand produced at home were reviewed and several practical test methods were recommended.
笔者对国内若干种湿型砂抗粘砂附加料作出评论，并推荐几种实用的检测方法。
In this paper, some anti-burn on additives for green mould sand produced at home were reviewed and several practical test methods were recommended.
笔者对国内若干种湿型砂抗粘砂附加料作出评论，并推荐几种实用的检测方法。
应用推荐