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OPTICAL BRIGHTENER NFW LIQ

[Product Name]

Optical Brightener NFW LIQ

[Ingredients]

Composed of derivatives of distyrene and synergist

[Properties]

AppearanceDeep blue-violet liquid 

IonAnionic

Solid content:30%

[Characteristics]

High whiteness

Temperature resistant type: non-freezing at -18,even if there is a few of ice scraps, it will not affect the using effect after thawing.

[Application]

Mainly used for the whitening and brightening of polyamide fabric, which can also be used for the whitening of wool, silk, cellulose acetate fiber, cellulose triacetate and cotton fiber.

[Method of use]

1) exhaust dyeing:

Use quantity:0.2-5%(o.w.f)

Optimum use quantity:0.5-1.5%(o.w.f)

PH value: 5.5-6.0(adjustable with citric acid or acetic acid)

The bath ratio is 1:10-1:20     dyeing temperature is 80-100

 he dyeing time is 30-40min.

2) pad-dyeing hot melt method:

Use quantity: 1.5-10g/l

Process flow: two dip dyeing and two pad dyeing( or one dip dyeing and one pad dyeing), mangle expression 60-70%pre-dyeing(100)curing and setting(160-170,40-60s)

3) low temperature absorption and high temperature color development method:

Use quantity: 0.5-1.2%(o.w.f)

PH value:5.5-6.0 (adjusted with citric acid or acetic acid)

The bath ratio is 1:10-1:20,  the dyeing temperature is 50-60

the dyeing time is 20-30min.

Process flow: add NFW liquid and sodium hydrosulfite(o.w.f) and fabric into the dye bath at normal temperature and adjust PH value to be 6.0 increase temperature to 50,dye for 20-30 minwashingdehydration and pre-dyeing (100)setting and baking(180-190,30-40s)

[Transport,Storage and Packing]

25kgs in plastic drum with pallets

Should avoid sunlight and crash

Should be stored in cool, dry and ventilate place, and storage period should not exceed 2 years.