4BK
4BK sepcification
Properties:
1. With strong fluorescence, excellent whitening performance and slight bluish shade
2. With high light stability and chemical stability
3. Good acid stable in perborate and hydrogen peroxide
Applications:Mainly used in whitening of cotton fabric and polyester/cotton
blendsT/C whitening in one bath:
1. Exhaust process: 0.1-0.8% (owf)
2. Bath ratio: 1:10-30
3. Temperature: 90-100
4. 30-40min wash and dry5. The processing can be adjusted according to the actual situation
One bath process of scouring hydrogen peroxide bleaching and whitening:
1. Dosage: 0.2-0.8% (owf)
2. Hydrogen peroxide: 5-15/L
3. Stabilizer: 1-5g/L
4. NaOH: 2-4g/L
5. Scouring agent: 0.5-1g/L
6. Temperature: 90-100oC
7. The processing can be adjusted according to the actual situation
CXT/CPD
Chemical Properties
Appearance slight yellow or white uniform powder
Tone similar to the standard
Fluorescence 100+-3% (compared with the standard)
Water content <=5%
Fineness(125mesh reside) <=5%
Scope of Application
Mainly be used in whitening of cotton fabric, polyester/cotton fabrics and other cotton blend fabrics.
Application Methods
Optical usage: 0.05-0.4%(o.w.f), Bath ratio: 1:5-20 Na2SO4:5-20g/L
Temperature: 60-100 degree centigrade *10-40min, wash, drying
The processing can be adjusted according to the actral situation
Packing and storage
The product is packed in 25Kg cardboard tanks, and lined with plastic bag,it should be stored at cool,shady and fry places with protection from light.
KEYWORDS:OBA,optical brightening,optical brightener,fluorescent whitening,fluorescent whitener,fluorescent brightener,fluorescent brightening,plastic chemical,plasitc additive,additive