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Optical Brightener BL-1 /BL-I Fluorescent Whitening Agent for Polyester at Hihg Temperature
Optical Brightener BL-1 /BL-I Fluorescent Whitening Agent for Polyester at Hihg Temperature

Optical Brightener BL-1 /BL-I Fluorescent Whitening Agent for Polyester at Hihg Temperature

China Optical Brightener BL-1 /BL-I Fluorescent Whitening Agent for Polyester at Hihg Temperature, Find details about China Organic Chemical, Water Treatment Chemical from Optical Brightener BL-1 /BL-I Fluorescent Whitening Agent for Polyester at Hihg Temperature

Model NO.
BL-1
Origin
China
HS Code
32042000
Model NO.
BL-1
Origin
China
HS Code
32042000
BL-I Fluorescent Whitening Agent for Polyester at Hihg Temperature
I Properties:
   Appearance:pale yellow dispersion liquid
Shade:bluish violet
Particle size:90%≤2μm
PH value:6-7
Density:1.04±0.001

II Applications:
   This product is mainly used for whitening and brightening of polyester,polyester-cotton,polyester-silk,polyester-yarn,polyester-hemp,polyester-wool and other blend fabrics,and for whitening of chemical fiber plastics as well.This product is applicable to pad dyeing,high-temperature and high-pressure exhaust dyeing,especially to low-temperature absorption(exhaust dyeing)and high-temperature thermo-fix processes.

III Directiongs for use and dosage:(only for reference)
  1. Thcrmosol method:
Dosage:1.5-3g/L
Procedure:2dips2nips(pick up:70%)→pre-drying(100ºC)→drying and thermo-fixing(180-190ºC,4030seconds)

2.High-temperature and high-pressure exhaust dyeing method:
Dosage:0.2-0.5%(o.w.f)
Liquor ratio:120-130ºC
Dyeing time:30-60min
PH value:4.5-5.5(adjusted with acetic acid)

3.Dip dyeing method of low-temperature absorption and high-temperature thermo-fixing and curing:
Dosage:0.5-1.0%(o.w.f)
Liquor ratio:1:10-20
Dyeing temperature:50-60ºC
Dyeing time:30min
PH value:4.5-5.5(adjusted with acetic acid)
Procedure:add BL-I FWA and additive(anhydrous sodium sulphate 1-2% relative to weight of fabric,PH value adjusted with glacial acetic acid)and fabric into the dye bath at room temperature→raise temperature to 50ºCand dye for 30min→washing→dehydration and pre-drying(100ºC)→curing and thermo-fixing(180-190ºC,40-30s).

IV Using tips
1.If suspension liquid precipitates and separates after stored for a long period,please fully stir before use.
2.It shall be used within the yellowing spot range of this product,i.e.pad dyeing≤5g/L,exhaust dyeing≤0.7%(o.w.f).It will be subject to yellowing if  beyond the dosage range.

V Packaging and storing :
    5kg in plastic drum,20kg/paper carton(4drums).Quality guarantee period is 8-12 months at normal temperature.
Optical Brightener BL-1 /BL-I Fluorescent Whitening Agent for Polyester at Hihg TemperatureOptical Brightener BL-1 /BL-I Fluorescent Whitening Agent for Polyester at Hihg Temperature
Optical Brightener BL-1 /BL-I Fluorescent Whitening Agent for Polyester at Hihg TemperatureOptical Brightener BL-1 /BL-I Fluorescent Whitening Agent for Polyester at Hihg TemperatureOptical Brightener BL-1 /BL-I Fluorescent Whitening Agent for Polyester at Hihg TemperatureOptical Brightener BL-1 /BL-I Fluorescent Whitening Agent for Polyester at Hihg TemperatureOptical Brightener BL-1 /BL-I Fluorescent Whitening Agent for Polyester at Hihg Temperature

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