Factory wholesale Optical Brightener 378 - Optical Brightener BBU – Subang
Factory wholesale Optical Brightener 378 - Optical Brightener BBU – Subang Detail:
Structural formula
Molecular formula: C40H40N12O16S4Na4
Relative molecular mass: 1165.12
Maximum UV absorption wavelength: 350 nm
Properties: anionic, blue tone
Physical Index
1) Appearance: light yellowish powder
2) Fluorescence strength (equivalent to standard product): 100±3
3) Whiteness (difference with standard whiteness: sample whiteness% or WCTE-standard whiteness% or WCTE): ≥ -3
4) Water: ≤ 5.0%
5) Fineness (the amount of residue passing through the 250μmm sieve): ≤ 10%
6) Mass fraction of water insoluble matter: ≤ 0.5%
Performance and Characteristics
1. Good water solubility, soluble in 3-5 times the volume of boiling water, about 300g per liter of boiling water and 150g in cold water.
2. Not sensitive to hard water, Ca2+ and Mg2+ do not affect its whitening effect.
3. Anti-peroxidation bleaching agent, containing reducing agent (sodium sulfide) bleaching agent.
4. The acid resistance is general, and the whitening condition PH>7 is better.
Applications
1. Used for whitening cotton fiber and viscose fiber.
2. It is suitable to be added to the whitening printing paste.
3. Used in the pulp.
4. Used in the process of surface sizing.
5. Used during the coating process.
Method of Use: (take padding method as an example)
1. The temperature of the padding liquid is 95-98℃, the residence time: 10-20 minutes, the bath ratio: 1:20,
2. The steaming time is about 45 minutes. The recommended dosage: 0.1-0.5%.
Packing
25 kg cardboard drum lined with plastic bag.
Transportation
When transporting the fluorescent brightener BBU product, collision and exposure should be avoided.
Storage
Store in a cool, dry and ventilated warehouse.
Product detail pictures:
Related Product Guide:
We provide fantastic energy in top quality and advancement,merchandising,gross sales and marketing and operation for Factory wholesale Optical Brightener 378 - Optical Brightener BBU – Subang , The product will supply to all over the world, such as: Poland, Atlanta, Guatemala, Looking forward, we will keep pace with the times, continuing to create new products. With our strong research team, advanced production facilities, scientific management and top services, we will supply high quality products to our customers worldwide. We sincerely invite you to be our business partners for mutual benefits.
By Moira from Norway - 2018.12.22 12:52
The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
By Jo from Peru - 2017.11.01 17:04