Fluorescent Whitening Agent APC
Optical brightener APC (4-sulfonic acid) is a highly efficient optical brightener widely used in the paper industry. This compound increases the brightness and whiteness of paper, providing a visually appealing product. The optical brightener APC (4-sulfonic acid) has good water solubility, resistance to hard water and stability to bleach, making it ideal for a variety of applications in the paper production process.
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