Friction is an unavoidable natural phenomenon. The fuel used to reduce the friction and wear of mechanical parts each year accounts for 1/3 of the total fuel consumption. Besides, friction can cause unproductive loss of mechanical energy, sh…
The invention discloses a method for preparing a calcium stearate water-based dispersion liquid. The method comprises the following steps: adding water and an emulsifier, dispersant, and 20-40% of the total content of a defoaming agent in a reaction ...…
Price. Artisan glass beads take a great deal of time to create. The artisan has usually studied Glass for years before they sell their work, often taking many classes to perfect their skill. There is a great deal of time invested in each bead and the...…
What is Aluminum Oxide? Aluminum oxide is a kind of inorganic, chemical formula Al2O3. It is a compound of high hardness, melting point of 2054℃, the boiling point of 2980℃, ionizable at high-temperature ionic crystals, commonly used in…
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