Fluorescent Brightener 220 Liquid – High-Performance Optical Brightener for Paper Industry

Product Overview

Fluorescent Brightener 220 Liquid (FB 220), also known as BBU Liquid and APC, is a high-performance optical brightening agent (OBA) designed specifically for the paper industry. It enhances the whiteness and brightness of paper by absorbing ultraviolet (UV) light and re-emitting it as visible blue light, effectively counteracting yellowish tones.

Chemical & Physical Properties

• Chemical Name: Fluorescent Brightener 220 (BBU Liquid, APC)

• CAS No.: 16470-24-9

• Appearance: Yellowish Transparent Liquid

• Ionic Nature: Anionic

• Solubility: Fully soluble in water

• pH Value: 7-10 (Neutral to Alkaline)

• Fluorescence Intensity: High

• Compatibility: Works well with anionic and nonionic additives

Application in the Paper Industry

Fluorescent Brightener 220 Liquid is widely used in paper and pulp industries to improve whiteness and visual appeal. It is compatible with different papermaking processes, including size press, wet end addition, and coating applications.

Usage Methods & Dosage

1. Wet-End Addition:

• Dosage: 0.05% - 0.5% (based on dry pulp weight)

• Best added at the sizing or wet-end stage to ensure uniform dispersion.

2. Size Press Application:

• Dosage: 1-10g/L (depending on paper brightness requirements)

• Can be mixed with starch and applied through a size press to enhance surface brightness.

3. Coating Application:

• Dosage: 0.1% - 0.5% (in coating formulations)

• Works well with calcium carbonate, kaolin, and latex binders.

Handling & Precautions

• Store in a cool, dry place, away from direct sunlight.

• Avoid mixing with cationic substances, which may reduce effectiveness.

• Use protective gloves and eyewear when handling to prevent skin and eye contact.

• Keep away from strong acids and oxidizing agents.

Packaging & Storage

• Packaging Options:

• 200kg plastic drums

• 1000kg IBC tanks available for bulk customers

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• Shelf Life: 12 months in a sealed container

• Storage Conditions: Keep at 5-30°C, prevent freezing and prolonged exposure to high temperatures.

Top Global Manufacturers of Fluorescent Brightener 220

1. Shandong Raytop Chemical Co., Ltd. (China) - Leading producer specializing in OBAs for paper and textile industries.

2. Clariant International Ltd. (Switzerland) - Global leader in specialty chemicals, including paper brighteners.

3. Huntsman Corporation (USA) - Renowned for optical brighteners used in pulp and paper manufacturing.

4. BASF SE (Germany) - Produces high-quality OBAs for industrial applications.

5. Daikin Industries, Ltd. (Japan) - Offers innovative paper brightening solutions.

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