Optical Brightener BBU

FORMULA: C40H40N12O16S4Na4

MOLECULAR WEIGHT: 1165.12 (As international relative Atom Mass 1997)

Max UV ABSORPTION WAVELENGHTH: 350nm

CHARACTER: Show nionic character and optical blue color

EXCUTIVE STANDARD: HG/T3727-2010

SPECIFICATIONS:

PROPERTY:

1.Good water solubility and can be dissolved in 3-5 times boiling water, and its solubility is 300 g per liter in boiling water and 150 g per liter in cooling water.

2. Good resistance to hard water, the ions of Ca²⁺ and Mg²⁺ have no influence on its whitening effect.

3. Good resistance to peroxide bleach agent and containing reductive bleaching agent (sodium hydrosulfite).

4. General acid-resistance and the optimal applied pH value >7.

USEAGE:

1. Used for cotton fiber and glue fiber.

2. Used in the syrup of discharge pattern of printing color.

3. Used in paper pulp.

4. Used in the process of surface gluing.

5. Used in the process of coating

PROCESS:(Such as padding dyeing)

Bath temperature is about 95-98℃, holding time is about 10-20 minutes, bath ratio is 1:20, vapour steaming about 45 minutes, the dosage is 0.1-0.5%.

PACKAGE: Packed in cardboard bucket after being packed in plastic bag first. Net weight per bucket is 25 kg or 50 kg.

TRANSPORTATION: Should avoid sunlight and crash.

STORAGE: Should be stored in cool, dry and ventilate place, and storage peroid should not exceed 2 years.