Properties: blue light dark red powder. Good dyeing force, acid resistance, good alkali resistance.
性能简介：带蓝光深红色粉末。着色力高，耐酸，耐碱性好。
Blue eyes are the most sensitive to light, dark brown the least sensitive.
蓝眼睛对光最敏感，而深褐色眼睛最不敏感。
Blue eyes are the most sensitive to light, dark brown the least sensitive.
蓝眼睛对光最敏感，而深褐色眼睛最不敏感。
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