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Optical Brightener CXT C.I.71

Chemical name: stibene bistriazine derivative

Formula: C40H38 N12O8 S2 Na2 Specification: Appearance: White powder

                 Fluorescent color: Similar to the standard sample
                 Whitening Strength: 100%
               Moisture: 5% (max)
Ionic character: anoinic
Application: Mainly be used in whitening of cotton fabric
Property: With strong fluorescence, excellent whitening performance and high yellowing point.
Maximum UV Spectrum Absorption: 349nm

Treating process:

 For cotton fabric: 0.05 – 0.4%(O.W.F.), bath ratio: 1.5 – 20, Na2SO4: 5 – 20g/L, room temperature heating rate: 1-2 /min 60 -100℃ x 10 – 40min - - wash – dry. The prcessing can be adjusted according to the actual situation.


 

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