Optical Brightener 31

Purity 99%: Optical Brightener 31 with 99% purity is used in synthetic fiber manufacturing, where enhanced whiteness and brightness are achieved.Molecular Weight 600 g/mol: Optical Brightener 31 with a molecular weight of 600 g/mol is used in detergent formulations, where strong fluorescence boosts cleaning performance by improving fabric brightness.Melting Point 200°C: Optical Brightener 31 featuring a melting point of 200°C is used in high-temperature plastic extrusion, where thermal stability ensures consistent optical properties in final products.Particle Size 5 μm: Optical Brightener 31 with a particle size of 5 μm is used in paper coatings, where fine dispersion leads to uniform surface gloss and optical clarity.Viscosity Grade Low: Optical Brightener 31 with low viscosity grade is used in aqueous coating systems, where easy blending allows for high process efficiency and even coverage.Lightfastness Grade 7: Optical Brightener 31 with lightfastness grade 7 is used in outdoor textiles, where superior resistance to UV fading maintains fabric brightness.Stability Temperature 180°C: Optical Brightener 31 with a stability temperature of 180°C is used in PVC compounding, where thermal resistance prevents yellowing during processing.Solubility in Water 45 g/L: Optical Brightener 31 with a solubility of 45 g/L is used in liquid laundry detergents, where complete dissolution results in streak-free fabric brightening.pH Range 6–8: Optical Brightener 31 stable within pH range 6–8 is used in water-based inks, where compatibility ensures consistent coloration and long-term ink stability.Absorption Maximum 360 nm: Optical Brightener 31 with an absorption maximum at 360 nm is used in fluorescent paints, where optimal excitation yields vivid and durable visual effects.