• Expert of Textile Auxiliaries.

Fluorescent Whitening Powder 4BK-1


Description
Stilbene derivatives
Features and Advantages Application
  • Fluorescence whitening effect with a slight blue-purple light.
  • Insensitive to light and stable chemical properties.
  • Resist weak acid, alkali, hydrogen peroxide and perborate.
One bath whitening of cotton and polyester-cotton
blended fabrics and pad dyeing process.


Description

Stilbene derivatives
Fluorescent Whitening Powder
Fluorescent Whitening Powder

Technical Index

Item Standard
Appearance Pale yellow uniform powder
Ultraviolet Absorption (E10g/L1cm) 160-180


Features and Advantages

1.It has an efficient fluorescence whitening effect with a slight blue-purple light.

2. It is insensitive to light and has stable chemical properties.

3. It can resist weak acid, alkali, hydrogen peroxide and perborate.


Application

It is suitable for one bath whitening of cotton and polyester-cotton blended fabrics and pad dyeing process.


Usage

1. Suction and immersion:

Dosage: 0.1-0.8% (o.w.f); Bath ratio: 1:10-30; Sodium sulfate Powder 10-20g/L; Temperature and Time: 90-100℃ with 30-40 minutes, washing and drying

2. One-bath scouring and oxygen bleaching:

Dosage: 0.2-0.8% (o.w.f); Hydrogen peroxide: 5-15g/L; Stabilizer: 1-5g/L;

NaOH: 2-4g/L; Scouring agent: 0.5-1g/L; Bath ratio: 1:10-30

Temperature and time: 90-100℃ with 30-40 minutes, washing and drying.

Users are requested to adjust the dosage through the sample as appropriate.


Storage

25KG Paper Drum or other packing on request. Sealed and light-proof storage.