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Clays: A review of 1994 activities

机译:黏土:1994年活动回顾

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摘要

Forty-four states produced clay products during 1994 for a total value of 1.6 billion dollars. This was a 3 percent increase in total tonnage and a 7 percent increase in value from 1993. Domestic production of kaolin during 1994 was estimated to be 9.3 Mt (10.2 million st), according to the US Bureau of Mines (USBM). Georgia remained the leading producer with 7.5 Mt (8.2 million st), followed by South Carolina with 535 kt (589,000 st). Kaolin used as a paper coating or filler pigment accounted for 51 percent of domestic consumption. Other uses included grogs (14 percent), fiberglass (5 percent) and plastics (4 percent. A reclassification by an Alabama producer of fire clay to kaolin accounts for the introduction of kaolin used in grogs. This also accounts for the apparent decrease in the use of kaolin in paper from 60 percent in 1993. However, the actual amount of kaolin used in paper was the same.
机译:1994年有44个州生产粘土产品,总价值达16亿美元。与1993年相比,总吨位增加了3%,​​价值增加了​​7%。根据美国矿务局(USBM)的数据,1994年高岭土的国内产量估计为9.3 Mt(1,020万st)。佐治亚州仍然是主要的生产国,产量为7.5公吨(820万公尺),其次是南卡罗来纳州,产量为535公吨(589,000公尺)。用作纸张涂料或填充颜料的高岭土占国内消费量的51%。其他用途包括熟料(14%),玻璃纤维(5%)和塑料(4%。阿拉巴马州耐火粘土生产商将高岭土重新分类为引入了熟料中使用的高岭土。 1993年,造纸中的高岭土用量为60%。但是,造纸中的高岭土实际用量是相同的。

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