Optical Brightening Agent BHT Fluorescent Brightener 252

• CAS No.: Na
• Formula: Na
• EINECS: Na
• Environmental Protection: Yes
• Color: Slightly Yellow
• Appearance: Powder
• Model NO.: BHT
• Kind: Whitening Agent
• H.S.Code: 32042000
• Application: Whitening Agent for Paper, Cotton Fabric Cellulose
• Transport Package: 25kgs
• Specification: 100%
• Trademark: AFINE
• Origin: China
• HS Code: 3204200000

Product Description

 

Optical Brightening Agent BHT /Fluorescent Brightener 252

Chemical name

Stilbene derivative

Structural formula
 

Specification

Appearance:	Yellow powder
Fluorescent Color:	Similar to the standard sample
Whitening strength:	100±3( compared with standard sample)
Moisture:	≤6%
Ionic character	anionic

Treating process:

1.exhausting whitening process:
       BHT: 0.05-0.3% (o.w.f.), bath ratio: 1:5-30, dyeing temperature: 40°C -100°C;
       Na₂SO₄:0-10g/l.,start temperature :30°C , heating rate:1-2°C /min, keep the
       temperature at 50-100ºC for 20-40min, then lower to 50-30°C --> wash-->
       dry( 100°C ) --> setting (120°C -150°C )×1-2 min( add proper amount
       leveling agent according to the leveling effect).
2. Padding Process:
       BHT:0.5-3g/l, residue liquor ratio:100%, one dip and nip --> dry( 100°C )
       -->setting (120°C -150°C )×1-2 min
 

Use:

Mainly be used as brightener of cotton, linen, silk, polyamide fiber ,wool and paper.

Package: 

It is packed in 20Kgs paper board bucket..It can be packed according to the requirement of the user.

Note: It needs to be declared that the above data is based on our present knowledge and experience; owing to too many affecting factors, these data cannot be free from their check and test when processing and using the product.