Acid Red 186 is a 1:1 metal-complex dye that gives a bright, yellowish-red shade with good all-around fastness properties. It is a reliable and economical choice for dyeing nylon, wool, and silk, offering a good balance of colour brilliance and durability. Its stable performance in acidic dye baths and good levelling properties ensure consistent and repeatable results, making it a versatile option for apparel, upholstery, and leather finishing.
