Molybdenum carbide has a high melting point and hardness, good thermal stability and mechanical stability, and excellent corrosion resistance and other characteristics. Molybdenum is a silvery white refractory metal, a melting point of 2615 ℃, density of 10.2 g / cm 3, the expansion coefficient is small, a special tube is almost the same coefficient of expansion of the glass. Molybdenum stable at room temperature is higher than 600 ℃, rapidly oxidized.
2013年7月24日星期三
Quality Inspection Center of tungsten and rare earth samples enabled the closing
National Tungsten wire and rare earth products quality supervision and inspection center in Gan County, Jiangxi Ganzhou Economic and Trade Commission of the "National Quality Inspection Center of tungsten and rare earth samples received" recently established. The center consists of Jiangxi University and Jiangxi Ganzhou joint venture. Samples received after the establishment of a number of companies submitted sample as long as you can to collect samples, you can send samples for the enterprise to save time and improve efficiency.
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