Optical Brightening Agent C.I.220 APC

Formula：C40H40N12S4O16Na4

Molecular Weight：1165.12（As International relative Atom Mass 1997）

Max UV Absorption Wavelength：350nm

Executive Standard：HG/T 3727—2003

Specification：

Property：

1. Miscible with water in any proportion, can be continuous metered and feed easily.

2. Good resistance to acid, better whitening effect in stronger acidity.

3. Lower salt content by advanced nano filtration technology. Stable storage at normal temperature.

4. Maybe freeze below -3 °C, but naturally dissolve above 0 °C and remain stable. Also will dissolved after heating, no effect on using.

Application：

Mainly be used for the whitening on pulp, surface sizing and coating.

Treating Process：

1. Can be directly added into the pulp, usual dosage: 0 05%-1.2% (dry pulp).

2. It performance well using together with surface sizing, CMC. PVA, usual dosage: 0.5-10g/L

3. In the coating process ,it can be added in any position, usual dosage: 0.1%-1.4% (the weight of the coating).

Packing & Storage

According your requirement.(IBC or Flexitank)

Store at shady & cool, dry ventilate place.