Main Chemical Composition: stilbene bistriazine derivative

Specification:

C.I. NO. 220

Appearance: Slight yellow powder

Fluorescent Color: Slight reddish to VBL Whitening strength: 130( compare with standard sample) Moisture: ≤5% Fineness( 150μm mesh residue): ≤5%

Property:

1. Very good solubility, It can be diluted in three times water. The solution can keep stable without adding other additives.

2. Anionic type, acid endurable, can be used in one bath of anionic and nonionic surfactant.

3. To be unendurable to the heavy metal ion such copper, iron, etc. Unsuitable to be used in one bath of cationic dyestuff and surfactant.

Application:

1. Whitening agent for cotton fabric and its blend.

2. Whitening agent for white pattern in discharge printing of cellulose fabric

3. Whitening agent for light colored cellulose fiber. Process:

1.exhausting whitening process: BBU: 0.02-0.2% (o.w.f.), bath rati...