Optical Brightening Agent BBU(*****220)

Product Description

Optical Brightening Agent BBU(*******0) Appearance: yellow powder Ionic character: anionic Formula: C*0H*0N*2O*6S4Na4 Chemical name: Stilbene bistriazine derivative Appearance: Slight yellow powder Fluorescent Color: Similar to the standard sample Whitening strength: **0±3( compared with standard sample) Moisture: ≤6% Ionic character: anionic Treating process: 1. Addition via size press: combined with starch, CMC, PVA and other products designed for surface sizing. Usual dosage: 0.5~5g/l 2. Addition to the pigment coating mixtures: adding in any stage of building coating material. Good performance with the carrier of CMC, PVA and starch. Usual dosage: 0.1~0.3% on dry white pigment. 3. Addition to the stock: adding without dilution. Usual dosage: 0.*5~0.5% on dry pulp. For actual application, the process should be adjusted according to correspondent sample-test. Property: 1. Convenient in application, diluted with water perfectly, suitable for continuous addition. 2. Good acid stability 3. Great performance in size press and pigment coating mixtures Use: Mainly be used in size press, pigment coating mixtures. Package: *5kg/paper barrel or for the special demand. Note: It needs to be declared that the above data is based on our present knowledge and experience; owing to too many affecting factors, these data cannot be free from their check and test when processing and using the product.