optical brightener 199

optical brightener 199

optical brightener 199 Fluorescent Brightener Agent is suitable for polyester fiber and its blended products. optical brightener 199 Can be applied to dip method at low temperature (100 ℃), dip method at high temperature, and padding baking dyeing method. This product optical brightener 199 is a dispersed liquid.

Product Details

optical brightener 199

other name: optical brightener ER-I, fluorescent brightener 199, fluorescent whitener 199

optical brightener 199 Fluorescent Brightener Agent is suitable for polyester fiber and its blended products. optical brightener 199 Can be applied to dip method at low temperature (100 ℃), dip method at high temperature, and padding baking dyeing method. This product optical brightener 199 is a dispersed liquid. Suggest to stir well before each use. The following in accordance with its basic properties and dyeing method is introduced:


Physical characteristicsFastness properties
chemical onstructionStyrylbenzene derivativeH2O2Stable
appearancePale yellow dispersion liquidreductantStable
ionicityNegativechlorineUnstable


chlorateUnstable
fluorescent colorsWhite lightPH scope5-12
solubilityMixed with cold water or warm water dilute but must pay attention to stratification.
storage12 Month


Fastness properties



Polyester
fastness to light
5-6
washing fastness40℃5

60℃5

95℃*
chlorine fastness
5
perspiration fastnessAcidic5

Alkalinity5
heat fastness180℃/30s210℃/30s54-5
dry cleaning fastness
5

The above data in accordance with the ISO standard for testing


Application method
Low temperature dip dyeing methodhigh temperature dip dyeing method
Recommended concentration:0.1% - 0.5%Recommended concentration:0.1% - 0.5%
bath ratio:1:10-1:20bath ratio:1:10-1:20
temperature range:50℃ - 60℃temperature range:50℃ - 60℃
Heating rate:2-3 ℃ per minuteHeat up time:30 minute (130 ℃)
soaking time:45 minute (98 ℃)Heating rate:2-3 ℃ per minute


soaking time:30 minute (130 ℃)
padding baking dyeing method

Recommended concentration:0.3 - 2g/L

pick up rate:60% - 70%

preliminary dry temperature:120℃

baking temperature:170℃ - 190℃

baking time:30-90 seconds


Packing method

In 25kg plastic drum.

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