68243 Cotton Auxiliary Agent Vulcanized Black Deepening Silicone Oil. Significant Deepening Effect: Increases dyeing depth by 20% to 50% on vulcanized black fabrics, saving dye and improving economic benefits. Excellent Hydrophilicity: Maintains and enhances water absorption for pure cotton and blended fabrics, ensuring good wearing comfort. High Stability: Transparent liquid formula prevents delamination or oil bleaching during storage and use. Low Yellowing Resistance: Heat resistant yellowing grade 5 and storage yellowing grade 4-5, suitable for light-colored fabrics. Perfect Applicability: Nano-level microemulsion ensures stability in high shear and wide pH ranges without sticking rollers. Soft and Elastic Feel: Provides excellent soft-elastic, smooth, and full-feel finishing effects on fabrics. Easy Re-dyeing Repair: Simple silicon stripping process allows for easy re-dyeing and repair of finished fabrics. Wide Solubility: Can be dissolved in cold water at any ratio for versatile application.