Fluorescent Brightener Hst-L Optical Brightening Agent 357 Liquid Oba for Paper Hexa Sulphonic

• Customization: Available
• CAS No.: 41098-56-0
• Formula: C40h38n12na6o18s6
• Model NO.: HST
• EINECS: 255-217-5
• Environmental Protection: Yes
• Color: Yellow-Brown
• Appearance: Liquid
• Kind: Whitening Agent
• H.S.Code: 32042000
• Application: Whitening Agent for Paper
• Transport Package: 25kgs 50kgs, 200kgs or 1100kgs Drum
• Specification: 20%
• Trademark: AFINE
• Origin: China
• HS Code: 3204200000

Product Description

Optical Brightener 357

(Hexa sulpho)

CAS NO: 41098-56-0
Main chemical composition: Diphenylethylene bistriazine derivative
Specification: Appearance: brown liquid
Ionic character: Anionic
            PH value: 9.0-11.0
             Density:1.05-1.3g/ cm³
Property:

1. Excellent white performance, especially suitable for achieving high whiteness in coating and sizing process.
2. Good acid stability, it can achieve high whiteness in low PH value situation.
3. Good light fastness.
4. Fully diluted in water, suitable for continuous addition.
5. Suitable for using in the condition of PH value 1-13.

Application: Mainly be used in sizing press, coating process.
Process:

1. Addition via sizing press: combined with starch, PVA and other products designed

for surface sizing. Usual dosage: 7-15kg/MT paper or 13-28g/liter of surface sizing liquid.

1. Addition to the pigment coating mixtures: adding in any stage of building coating material. Good performance with the carrier of CMC, PVA and starch. Usual dosage: 0.2-2% on dry white pigment.
2. Usual dosage in Clay:1-3kg/ton of dry clay

For actual application, the process should be adjusted according to correspondent sample-test.
Package: 50kg, 230kg, 1000kg or for the special demand.

 

Items	Specifications	Results
Appearance	Amber liquid	Amber liquid
E value	85+5	85
PH	8-10	8.8