Optical Brightener Ob - C26h26n2o2s, Slight Yellow Powder, Melting Point 200-202°c, Purity ≥99.0%, Ideal For Pvc And Polyester Whitening

Optical Brightener - C26H26SO2N2 | High Purity 99% Min, Greenish Yellow Powder for PVC, PP, Polyester Fiber, Paint, Ink

Optical Brightener FP-127 - Light Yellow Powder, Min 99.0% Purity, Melting Point 219-221°C | Ideal for Polyvinyl Chloride and Polystyrene Brightening

Optical Brightener - 2,2-(2,5-Thiophenediyl) Bis[5-(1,1-Dimethylethy)] Benzoxazole, 99% Assay, Yellowish Crystal Powder with 200 Mesh Particle Size

Optical Brightener OB - CAS No. 7128-64-5, Light Yellow Powder, 99% Assay | High-Performance Whitening Agent for Plastics and Organic Solvents

Optical Brightener OB-1 - CAS No. 1533-45-5, Bright Yellow Crystals Powder, Assay 98.5%Min | High Melting Point 355-360ºC, Excellent Heat Resistance, Hydrophobic with Strong Fluorescence for Enhanced Brightness and Whiteness

Optical Brightener BBU - 100% Fluorescent Strength, Light Yellow Powder with 5.0% Max Moisture | Ideal for Cotton Fiber, Paper Pulp and Coating Applications

Optical Brightener CXT - Disulfonic Stilbene Triazin Powder, Yellow-Green, Water Soluble, PH 6-7, 98% Purity, 10-50 µm Particle Size | Brightens Fabrics, Enhances Whiteness, Suitable Detergents, Improves Colors, Easy to Use

KSN Optical Brightener

Optical Brightener - Yellowish Green Powder, Purity ≥99%, High-Performance Fluorescent Whitening Agent for Polyester, Nylon, and Plastics