Product information
Product name: OPTICALBRIGHTENER BA
Color Index No: C.I.113
Synonyms: FBA 113; OBA 113,Fluorescent Brightener BA; Optical Brightener Agent BA
Molecular Structure:
Molecular Formula: C40H42N12O10S2Na2
Molecular Weight: 960.94
CAS No: 12768-92-2
C.I. No.: C.I.113
Appearance: straw yellow uniform powder
E-value: 370
Features:
Anionic, resistant to PH4.5-11.
Applications
Mainly used in pulp brightening, surface sizing and coating, etc, with high acid resistance. It is the first choice to produce paper of high brightness requirements
Reference dosage:
1. When brighten in pulp, BA should be added before alum or cationic auxiliary agent; dosage: 0.05-0.4% (of absolute dry pulp).
2. In surface sizing, it can work with CMC, PVA, starch, or anionic or cationic synthetic sizing agent.
3. In coating, it can be used at any stage of coating production in the form of aqueous solution after dissolve.
Package & Storage:
10kg or 25kg/ craft paper bags. It canbe packed in other forms according to user's requirements.
Shelf life: not more than 24 months inthe room temperature.
