Zytex [India] Pvt. Ltd manufactures Sequamax Pretreatment Auxiliaries. Zytex [India] Pvt. Ltd is an ISO - 9001 certified company. The product is a sequestering agent with 600 CV. It works at pH 3 to 12 and is suitable for scouring, bleaching and dyeing. Sequamax Pretreatment Auxiliaries does not chelate metal ions in dyestuff molecule.