Japan’s Daicel Chemical Co., Ltd. recently stated that due to the recovery in demand for electronic and ink solvent applications, the company decided to expand its domestic ethyl acetate capacity by 50%. At present, the company is building a new 25,000-ton/year plant in Otake, Hiroshima Prefecture, Japan, and plans to put it into commercial operation in December 2011. By that time, the company's ethyl acetate production capacity will increase from 50,000 tons/year to 75,000 tons/year. As the global economy recovers, the use of ethyl acetate in the printing inks, adhesives, coatings, and electronics industries continues to increase.
The characteristics of rope core drill pipe are "three highs and one low", that is, high drilling speed, long life of diamond bit, high time utilization rate, low labor intensity of workers, so it is widely used in geological prospecting, coal field exploration and other fields. Among the whole set of drilling tools, the most important and most valuable is the drill pipe. The quality of the drill pipe is directly related to the use of the advantages of rope core drilling, and is also vital to the accurate acquisition of geological data and the control of drilling costs.
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