0086-519-88029576-605,601

jane@erchem.com
Contact us
> Tel: 0086-519-88029576
-605,601
> Fax: 0086-519-88029580
> E-mail: jane@erchem.com
> Add.: Rm.1106,Building
No.2,zhixing Business Plaza,No.25 North Street, Changzhou City,Jiangsu,Province,
China
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Optical brightener VBL


The Details of "Optical brightener VBL"


Appearance:Light yellow uniform powder
Fluorescent intensity:100±3(equal to E370)
Max.UV absorption wavelength:348nm
Performance characteristics:Blue -violet tone;Max.hard water resistance is 300ppm and max.free chlorine resistance is 0.25%;Not resistant to metal ions.Such as copper,iron ion,ect;Stable with sodium hydrosulfite,but not resistant to high-temperature baking;Common light fastness and level-dyeing property.
Application:Whitening of cotton fiber,viscose;Brightening of light tone or printer tabrics;Whitening of vinylon,chinlon products;Whitening of paper pulp or coating;Synthetic detergent.
Recommended dosage:
1.0.1-0.2% for cotton dip-dyeing;0.5-3g/L for pad dyeing;1-2g/L for starching;
2.Paper-making:0.2-0.5%;
3.Synthetic detergent:0.1-0.5%;
Package:N.W.25kg Fiber drum,kraft bag or PE bag.、