The conductivity was found to be 0.65–0.77 W/m·K, and the density was 0.4–0.46 g/cm3. Glass typically has a tensile strength of 7 megapascals (1,000 psi). However, the theoretical upper bound on its strength is orders of magnitude higher: 17 gigapasc...…
A glass microsphere is a microscopic sphere made from glass. They are used in a variety of applications. Their sizes usually range from one micrometer to one thousand micrometers.…
A hollow glass prism gives no spectrum because it has no medium inside. It is hollow from the inside, so white light can not split in a vacuum because in a vacuum, all colors of light travel with the same speed; hence they do not split, and no spectr...…
Molybdenum disulfide is an excellent lubricant. It has a friction coefficient of less than 0.05 and is resistant to oxygen and diluted acids. This property makes it suitable for lubricating both moving and stationary parts of heavy vehicles. It is us…
After entering 2021, lubricating graphite have risen sharply. At present, the price increase in the domestic chemical industry has become an overwhelming trend. The price of some products has increased by more than 1000usd per ton year-on-…
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