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          1. Welcome to Jinhua Loong Dyestuff Chemical Co., Ltd. website!

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            Fluorescent brightener 4BK-L (for pad dyeing)

            ◆ Main technical index

            1. Appearance: blue-purple transparent liquid

            2. Brightening intensity: 100 (compared with standard product)

            3. Color light: sililar to slight

            4. PH value: 8-10

            ◆ Performance and use

            4BK-L is the latest product developed by our company, which successfully broke through the relevant technical bottlenecks in the industry. It has excellent whitening performance, anionic type, and fluorescent tone blue-violet light. It is mainly used for whitening and whitening cotton and its blended fabrics. Yan (for pad dyeing).

            1. It has good alkali resistance and peroxide resistance. It can be applied to the one-bath method of oxygen bleaching and whitening. It is the latest product to replace solid 4BK.

            2. It is easy to use, can be miscible with water in any proportion, and has no dust pollution.

            3. The same dosage as the solid 4BK, but the price is much lower than that of the solid 4BK, which has a very high cost performance.

            4. Good leveling and no color difference.

            ◆ Usage and dosage

            1. Dosage: 0.5-3g/L

            2. PH value: 7-9

            3. Vehicle speed: generally 30m-40m/min

            4. The specific dosage is in accordance with different requirements, please refer to VBL pad dyeing for specific use

            ◆ Packing

            25KG, 50KG plastic drum or according to user requirements.

            ◆ Storage

            stored in a cool, dry, ventilated place and avoid direct sunlight.

            ◆ Cautions

            1. The product information is for reference, research and appraisal only, and the company does not assume the responsibility and patent disputes caused by this.

            2. If you have any technical or usage problems, please contact our company in time.


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            Service Tel

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