Cement foam insulation board and supporting materials construction project construction unit (seal): Baoji Longtengyuan Insulation Materials Co., Ltd. Date of preparation: 01, 2019 "Construction Project Environmental Impact Report Form" Preparation Instructions "Construction Project Environmental Impact Report Form" was prepared by ..
Octadecylamine ethoxylate ether, also known as Polyoxyethylene stearamide, colorless to yellow solid, insoluble in water to soluble in water, soluble in acetone, benzene and other organic solvents, with excellent emulsification,dispersion
High Purity Hafnium Nitride HfN Powder refers to high-purity Hafnium nitride powder. Hafnium nitride is a gray powder with a cubic crystal structure, a melting point of up to 3310 ℃, and a microhardness of 16GPa. It is quite stable but easily corrupted by aqua regia, concentrated sulfuric acid, and hydrofluoric acid. This powder is generated by the direct reaction of hafnium and nitrogen at 900 ℃, or by the reaction of hafnium halides with ammonia or a mixture of nitrogen and hydrogen gas. It has the characteristics of high purity, small particle size, uniform distribution, large specific surface area, and high surface activity.
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