氧化铁黑(高新众彩) 型号/规格 722、723 国标 品牌 高新众彩牌 执行标准 HGT 2250-1991纯化学合成 CAS 1317-61-9 分子式为Fe3O4,黑色或是黑红色粉末是氧化亚铁和三氧化铁的加合物,呈微小的颗粒状。不溶于水、醇,溶于浓酸、热强酸。具有磁性,着色力和遮盖力都很高。具有良好的耐候、耐光、耐大气、耐久性,无水渗性和油渗性。耐碱性良好,耐热至100℃。高温受热容易被氧化,变成红色氧化铁广泛用于油墨、水彩、油漆、油彩、建筑涂料、建筑材料的着色 Iron oxide black(Gaoxingzhongcai) Type/specification 722,723 China national standard Brand gaoxingzhongcai Perform standard HGT 2250-1991 Pure chemical synthesis 1317-61-9 Iron oxide black Molecular formula Fe3O4, black or dark red powder is ferrous oxide and three iron oxide adduct, small granular. Insoluble in water, alcohol, soluble in concentrated acid, hot strong acid. Has the magnetism, high tinting strength and hiding power. Has good weather resistance, resistance to light and atmosphere, durability, permeability and oil permeability. Good alkali resistance, heat to 100 ℃. High temperature heated easy to oxidation, into a red iron oxide is widely used in printing ink, watercolor, paints, oil paints, coloring of architectural coatings, building materials