主要用于产品的增白、增光。常用于漂白剂、洗涤剂、纸张、塑料、涂料、染料等产品中，以增加其亮度和视觉的效果。
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ADDYOBT OBOB is a benzoxazole optical brightener. It is recommended to use in most coating and plastic application to enhance whiteness.
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ADDYOBT OB-1It has an ideal whitening effect on polyester fibers as well as polyester fiber-containing fabrics including polyester-cotton blend fabric.
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ADDYOBT FP127Optical brightener FP 127 has a strong acid and alkali resistance. It is unsoluble in water,soluble in common organic solvents.
