Optical Brightening Agents (OBAs)

Description

1. Product Overview

Optical Brightening Agents (OBAs) are high-performance chemical compounds designed to enhance the visual whiteness and brightness of materials by converting ultraviolet light into visible blue light. Widely used in industrial applications such as textiles, paper, plastics, and detergents, OBAs improve the aesthetic appeal and perceived quality of products. Their strategic value lies in delivering superior brightness, color consistency, and enhanced market competitiveness, making them an essential additive for manufacturers aiming to meet premium quality standards. With proven stability and compatibility across multiple substrates, OBAs are a critical tool for achieving both functional and visual performance in industrial production.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Stilbene derivatives or related fluorescent whitening agents
• Purity/Grade: Industrial grade, ≥ 98% active content
• Physical Form: Fine powder or granules
• Color: Off-white to light yellow
• Particle Size: Typically 10–50 µm
• Density: Approx. 1.2–1.4 g/cm³
• Solubility: Soluble in common organic solvents; dispersible in water
• Packaging Options: 25 kg kraft paper bags, 500 kg jumbo bags, or customized bulk packaging
• Shelf Life: 24 months under dry, cool storage conditions

3. Core Industrial Applications

• Textiles: Enhances the whiteness of cotton, polyester, and blended fabrics during finishing and dyeing processes, improving visual brightness and perceived quality.
• Paper & Pulp: Used in paper manufacturing to increase whiteness and optical brightness of printing and writing paper, reducing the need for bleaching chemicals.
• Plastics: Improves the aesthetic quality of polymer products, including films, fibers, and molded components, providing uniform color and brightness.
• Detergents & Cleaning Agents: Incorporated in powder and liquid detergents to maintain fabric brightness and counteract yellowing.
• Performance Advantage: Offers superior brightness, long-term stability, and minimal color shift compared to conventional whitening agents, improving operational efficiency and reducing reprocessing costs.

4. Competitive Advantages

• Quality Consistency: Strict quality control ensures uniform brightness and chemical performance across batches.
• Supply Reliability: Robust sourcing and inventory systems guarantee uninterrupted supply for large-scale industrial operations.
• Logistics Capability: Flexible global shipping and bulk container handling to meet diverse industrial demand.
• Price Competitiveness: Economical pricing relative to performance, enabling cost-effective formulation.
• Sustainability: Low environmental impact, compliant with international safety and chemical regulations.
• Technical Support: Comprehensive documentation and expert guidance for optimal formulation and usage.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): Bulk 20 MT
• Loading Capacity: Standard 20 ft container up to 20 MT; 40 ft container up to 40 MT