Reactive dyes can impart polyamide fabric brilliant shade, good fastness especially to the sunlight, as well as the good combination with neutral and weak acid dyes.
Iron oxide red is an excellent pigment, which has fine qualities such as covering power, coloring power, heat resistance, resistance to solvent, acidfastness, innocuity and anti-rust.
氧化铁红具有良好的颜色遮盖力、着色力、耐热、耐溶剂、耐酸性、无毒、防锈等性能,是优质的颜料品种。
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The results show that these three acid dyes have good wet - treatment fastness and h'ght fastness when they are used to dyeing on wool.