Optical brightener BA

Appearance:Light yellow uniform powder
UV absorption:370±10
Max UV absorption wavelength:348nm
Performance characteristics:Bright bluish tone;Good acid and alkali resistance; Better whitening effect than VBL at pH4.5-7.
Application:  Whitening of paper pulp;Whitening of cotton,linen and cellulose fiber aswell as cellulose fabrics;Brightening oflighttone cellulose fabrics;synthetic detergent.
Recommended  dosage:
1.Paper-making industry:0.1-0.3%on dry pulp; 2.Cotton,hemp or cellulose fabric:0.08-0.3%;
3.Synthetic detergent:no more than 0.05%in washing powder and no more than 0.1%in liquid detergent.
Package: N.W.25kg fiber drum,kraft bag or PE bag.