In addition there are limestone iron ores andalusite quartz sand and kaolin etc.
此外还有石灰石、铁矿、红柱石、石英砂和高岭土等。
This paper deals with the compositions, brightness, size distribution, viscosity concentration and the content of sand of Maoming kaolin.
对茂名高岭土的物质组成、白度、粒度组成、粘浓度、含砂量等造纸涂布性能进行了研究。
The acidproof bricks with high performances were produced by using kaolin, quartz sand, refractory waste, K-feldspar and barium carbonate.
本文利用高岭土、石英砂、耐火材料废料、钾长石和碳酸钡为原料制备出了一种性能良好的耐酸砖。
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