supply Factory supply Optical Brightener SUNOB BBU

Fluorescent brightener BBU <light yellow uniform powder> <Used for cotton fiber and glue fiber, paper pulp, coating>

Product name: Fluorescent brightener BBU

Formula:C40H40N12O16S4Na

Mocular Weight: 1165.12 (As international relative Atom Mass 1997)

Max UV Absorption wavelength: 350nm

Character: Show nionic character and optical blue color

Excutive standard :HG/T3727-2003

Specification: Appearance: light yellow uniform powder

                       Fluorescent Strenghth (equivalent to the standard sample):100±3

                       Color Shade: similar to the standard sample

                       Whiteness (the deviation with the standard sample) : -3 min

                       Moisture content: 5.0% max

                       Content of Water-insoluble Impurities: 0.5% max

                       Fineness (residual content passed through 250μm-pore sieve): 10% max

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.

We are the main producer of Optical brightener BBU in China.

supply Factory supply Optical Brightener SUNOB BBU