Optical Brightener Stilbene Derivative High Fluorescence

Description

1. Product Overview

Optical Brightener Stilbene Derivative (High Fluorescence) is a high-performance fluorescent whitening agent widely used to enhance whiteness, brightness, and visual purity across industrial materials. Based on advanced stilbene-based chemistry, it effectively absorbs ultraviolet light and re-emits it in the blue spectrum, significantly improving product appearance in textiles, paper, plastics, and detergents. Its strong fluorescence intensity and excellent compatibility make it a strategically important additive for manufacturers targeting premium-grade visual quality.

This product delivers consistent optical enhancement performance, helping producers reduce raw material whitening costs while achieving superior aesthetic output and brand competitiveness in global markets.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Stilbene derivative (Optical Brightening Agent, OBA)
• Active Content / Purity: ≥ 99% (industrial grade, high fluorescence formulation)
• Physical Form: Powder or granular (customizable by application)
• Color: Light yellow to off-white crystalline powder
• Fluorescence Intensity: High UV absorption with strong blue emission
• Particle Size: 80–200 mesh (adjustable upon request)
• Solubility: Excellent solubility in water (depending on grade variant)
• Bulk Density: Approx. 0.3–0.6 g/cm³
• Packaging Options: 25 kg fiber drums / woven bags with inner liners / customized bulk packaging
• Shelf Life: 24 months under cool, dry, and sealed storage conditions

3. Core Industrial Applications

This optical brightener is extensively used across multiple high-volume industrial sectors where whiteness and brightness are critical performance metrics:

• Textile Industry: Whitening of polyester, cotton blends, and synthetic fibers to improve fabric brightness and premium appearance
• Paper & Pulp Industry: Enhances brightness and print clarity in high-grade printing paper, packaging paper, and tissue products
• Detergent Manufacturing: Used in laundry powders and liquid detergents to deliver “whiter-than-white” fabric appearance after washing
• Plastics Industry: Improves optical clarity and brightness in PVC, PE, and engineering plastics

Compared to conventional whitening agents, this stilbene derivative offers higher fluorescence efficiency, better thermal stability, and lower dosage requirements—resulting in improved cost efficiency and superior end-product aesthetics.

4. Competitive Advantages

• Superior Brightness Performance: High fluorescence yield ensures enhanced optical whiteness at lower application dosages
• Batch-to-Batch Consistency: Strict quality control ensures stable performance in continuous industrial production
• Reliable Supply Chain: Scalable manufacturing capacity for long-term bulk procurement and global distribution
• Cost Efficiency: Reduced usage volume lowers total production cost per unit output
• Environmental Compatibility: Designed for improved biodegradability profiles compared to older whitening systems
• Technical Documentation Support: Full COA, MSDS, and application guidance available for industrial integration
• Process Compatibility: Easily integrates into existing textile, paper, and detergent production systems without modification

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): Bulk 20 MT
• Packaging Format: Standard export packaging in 25 kg bags or drums
• Loading Capacity: Approximately 20–22 MT per 20-foot container (depending on packaging configuration)
• Supply Capability: Continuous bulk supply available for long-term contracts and OEM requirements
• Delivery Terms: FOB / CIF / CFR options available upon request