Direct Violet BRN Series

Direct Violet BRN Series

It has a good affinity with fiber and filler, good light fastness, heat tolerance, and Ca2+ , Mg2+ tolerance. It can offer high CIE whiteness when it is applied in t high whiteness paper.

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Physical & Chemical Properties

Appearance purple liquid

Viscosity(25℃,mPa·s) ≤150

pH Value 7.4-9.4

lon anion

Performance & Features

1. It has a good affinity with fiber and filler. Its FPR is high.

2. It has good compatibility with all kinds of internal sizing agents.

3. It offers high CIE whiteness for paper.

4. It has good tolerance for calcium ion and magnesium ion.

Scope of Application

1.The suitable application range of pH value is 4.5-9.5.

2. It is suitable to white paper, color paper and tissue paper

3.It could be used for color blending of the coating

Application Methods

1.It should be diluted to 1/100 or 1/1500 before it is added into stock.The condensation water or white water can

be used as dilution water.

2. The adding position should be ahead of that for internal sizing agents.The places such as stuff chest,

intake of fan pump etc.could be the adding position. Please note to keepdistance with the adding position of cationic agents.

3.It can be used with blue direct dve for improving CIE whitenessThe usual dosage is between 10 to 300 ppm based on dry pulp.

Packing &Storage

It is packed in 50kg plastic tanks, or packed as per elients’requirements.It is stored at cool,shady and dry places with the protection from light.Shelf life: six months.