Fluorescent Brightener WS

Fluorescent Whitening Agent WS is a compound of coumarin type.The product has an appearance of white powder and similar to the foreign brands such as Uvitex SWN,Leucophor WS,Blankophor FBO.It is solubility:soluble in organic solvents such as ethanol,methanol and glycol,and soluble in acidic water bath.

Other Name: 

Fluorescent Brightener WS,Fluorescent Brightening Agent WS, Optical Brightening Agent WS,Fluorescent Whitening Agent WS,OBA WS

Applications:

• ‍Optical whitening agent WS can be whitening and brightening of wool, silk, acetate fiber, triacetate fiber, etc.
• It also can be used in cotton, plastic, and chromatically pressed paint and added into resin to whiten the fiber cellulose.
• Optical brightener SWN is also a common laser dye‍

Technical Specifications

• ‍C.I. No.: Fluorescent brightener 52
• Physical Form: white powder‍

PHYSICAL PROPERTY

• ‍Purity(%):Min 98
• Melting Point(℃):65-70
• Moisture content: ≤5%‍

Directions for use and dosage:

Adjust the PH volume to 3-5 with vinegqr acid,30-50°C,bath ratio:1:20-40,dissolve WS with a dosage of 0.05-0.35%,then put into the wet wool product,make the temperature up to 60-70°C, with 30 min,Lower temperature,wash and dry.