optical brightener apc

Description

FLUORESCENT BRIGHTENER APC *******0 CAS*********9 MOLECULAR FORMULA: C*0H*0N*2O*6S4Na4 MOLECULAR WEIGHT: ***5.*2 (As International relative Atom Mass ***7) Max UV ABSORPTION WAVELENGHTH: **0 nm EXCUTIVE STANDARD: HG/T ********3> Appearance:Amber transparent liquid Fluorescent intenstty (equivalent to standard sample):*5 pH value:***0 PROPERTY: 1. Easily used, and can be mixed with water at any ratio. Suitable for automatic lasting adding. 2. Excellent acid-resistance and excellent whitening effect even in low pH value solution. 3. Advanced nanofiltration membrane technology is applicationed for this material and has low salinity and better storage stabilty under normal temperature. 4. Compared with other products, FWAAPC has better sunlight fastness and alkaline- resistance. 5. Kept stable above 0and icelized under *3, but have no influence on its usage when hearted and dissolved again. USEAGE: 1. Fluorescent whitening agent for paper pulp bleaching. 2. Fluorescent whitening agent in the process of surface gluing. 3. Fluorescent whitening agent in the process of coating. PROCEDURE: l. Addition to the stock: adding without dilution. Usual dosage: 0.***1.2% on dry pulp. 2. Addition via size press: combined with starch, CMC, PVA and other products designed for surface sizing. Usual dosage: 0.***0 g/L. 3. 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.**1.4% on dry white pigment. PACKAGE AND STORAGE: ***0 kg, **0 kg or *0 kg plastic drum, or for the special demand. Should be stored cool, dry and ventilate place, and storage peroid should not exceed 6 months.