Tungsten is used extensively in quartz glass melting furnaces, sapphire crystal growing furnaces, and rare earth smelting faiences. Its temperature is typically above 2000. About Metal Alloy Vacuum Coating Tungsten Melting Pot Tungsten Crucibles:…
Tungsten is used extensively in quartz glass melting furnaces, sapphire crystal growing furnaces, and rare earth smelting faiences. Its temperature is typically above 2000. High Purity Tungsten Crucibles from Metal Alloy: Chemistry: Prop…
Oleyl-amine polyoxyethylene is a good emulsifier, dispersing agent, antistatic lubricant, and corrosion inhibitor. It has acid resistance, and it's not compatible with anionic detergents. Oleylamine polyoxyethylene-ether : The polyoxyethylene r…
Naphthalene Sulfonate Water Reducing Agent is the product of naphthalene sulfonated by sulfuric acid and then condensed with formaldehyde, which belongs to an anionic surfactant.…
Official French data shows that for three consecutive days, there were more than 140,000 new confirmed cases in a single day in France: 145,560 new cases on the 23rd, 148,635 new cases on the 24th, and 143,571 new cases on the 25th. The daily average…