Optical Brightening Agent---Di Sulphonated

Urea free or urea containing disulphonated optical brightening agent for stock and coating application. Good affinity to fibers. The urea free product could satisfy demanding environmental requirements.

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Main Ingredients

Stilbene Triazine derivates

Physical & chemical properties

Appearance amber clear liquid

lon anion

Viscosity (25°℃, mPas) 4100

pH Value 8.5-10.5

Performance & Features

1. It has good affinity with paper fibers and little influence on PCD of wet-end.2 . it has good alkali tolerance, perborates tolerance and hydrogen peroxide tolerance.

Scope of Application

1. Good fluorescent whitening performance in stock.

2.Good fluorescent whitening performance on surface sizing.

3.Good fluorescent whitening performance on coating.

Application Methods

1. It can be directly added into (thick) stock. Please avoid adding it together or directly contact with cationic substances. On surface sizing,it can be directly added into starch.On coating.it can be directly added into paint,and it has good compatibility with Carrier PVA.CMC for better effect.

2.pH value should be controlled at the range of 5.5~10.5 when it is used.

3.Dosaze.In stock:0.1%-1.5% based on dry pulp; On surface sizing: 1g/L-20g/L (single side):

On coating: 0.1%-1.0% based on dry weight of fillers.

Packing & Storage

The product will be packed in 50kg.240kg or 1100kg plastic tanks,or specially packed as per clients' requirements. Storage conditions: shady.cool. dry and above 0C.Shelflife: 6 months.

Attentions!

1.The product data is for reference only. lf you have any technical or application problems.please contact us freely.

2.The oral or written technical suggestions offered by our company are all sincere, But the consumers have the responsibility to experiment with our products to judge whether they are suitable for the present process.Customer should be responsible for the usuge ofour product taking into account that we could not control your applicntion situation.