BC-126(BAC-L)

Purpose:

Mainly used for acrylic fibers and their blended fabrics to whitening and brightening.

Fluorescent products with high whiteness, fresh blue-violet light.

With good fastness, lifting and level-dyeing property.

Applicable to dip-dyeing or pad dyeing, and can be used with other cationic and non-ionic products.

Usage:

[Dip-dyeing]

① Dosage: acrylic fibers and modacrylic is 0.25-1.5%, diacetate is 0.5-2.0%.

Application conditions: bath ratio is 1:10-40, PH value is 4 (adjusted by acetic acid or oxalic acid)

Put it into at the temperature of 40℃ or so, process it at the temperature of 90-100℃ for 30-40 minutes, wash fully and dry it.

② Bleaching and whitening one-bath process:

BC-126 Whitening agent 0.25-2% (o.w.f)

Sodium chlorite (80%) 1-2g/L

Sodium nitrate 1-3g/L

PH value of liquor is 3.5-4 (Oxalic acid adjusting), bath ratio is 1:10-40, the temperature is 90-98℃, the constant temperature is 30 minutes, and other crafts are as in the above case.

[Padding]

BC-126 Whitening agent 5-15g/L

Oxalic acid 0.5-1.0g/L

Thickener moderate

Mangle expression 70-80%

Padding→drying→printing if needed→drying→steaming (processed by the saturated steam of 102℃ for 5 to 30 minutes)→washing fully to be neutral.

Cautions:

1. When being applied, the dye bath compounded with BC-126 Whitening agent shall be stored in the brown container or kept in the shadow.

2. Factors affecting the whiteness:

① Concentration: BC-126 Whitening agent shall be used with a proper dosage, otherwise the whiteness will get decreased and even turn yellow.

② Pretreatment: Fabric or yarn must be firstly processed in 50℃ hot water for 15minutes with non-ionic detergent of 0.5g/L to remove the grease in the fabric in order to produce better whitening effects.

Appearance:Liquid of pale yellow or dark brown

Ionicity:cationic

Solubility:easy to dissolve in cold water of light acidity or warm water.

25kg cardboard bucket (lined with plastic bag) packaging.

The shelf life is 12 months at room temperature.