optical brightener CXT

optical brightener CXT

optical brightener CXT this series of fluorescent whitening agent suitable for: cotton fabric impregnation method. Its top white spots a lot higher than general fluorescent whitening agent, to require extremely high whiteness of cotton fabrics using optical brightener CXT can get satisfactory results. optical brightener CXT also applies to soap.

Product Details

optical brightener CXT

other name: optical brightener 71, fluorescent brightener CXT, fluorescent whitener CXT

optical brightener CXT this series of fluorescent whitening agent suitable for: cotton fabric impregnation method. Its top white spots a lot higher than general fluorescent whitening agent, to require extremely high whiteness of cotton fabrics using optical brightener CXT can get satisfactory results. optical brightener CXT also applies to soap and clean manufacturing. The following in accordance with its basic properties and dyeing method is introduced:


Physical characteristicsFastness properties
chemical onstructionStilbene derivativeH2O2Stable
appearanceMilk white powderreductantStable
ionicityNegativechlorineUnstable
affinityHighchlorateUnstable
fluorescent colorsWhite lightPH scope5-12
solubilityHardly soluble in acidic aqueous solution, slightly soluble in alkaline solution, ethanol, acetone
storage12 Month


Fastness properties



Cotton、Viscose
fastness to light
3-4
washing fastness40℃5

60℃5

95℃4-5
chlorine fastness
4
perspiration fastnessAcidic5

Alkalinity5
heat fastness180℃/30s210℃/30s5
dry cleaning fastness
5

The above data in accordance with the ISO standard for testing


Application method
Cotton、Cellulose
temperature range60℃ - 100℃
time30 – 45 minute
dosage0.2 - 0.4%
bath ratio1:10-1:20

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