By Baico Biotech 丨 Textile Enzyme 丨 BIO-SCOURING ENZYME 丨 BBT-HK-Kathleen

Biocatalysts are widely used in textile dyeing pre-treatment due to their high efficiency, specificity, mild reaction conditions, and environmentally friendly nature. Among them, cellulase is one of the most extensively applied enzyme. It hydrolyzes cellulose to produce soluble sugars, aligning with the requirements of green production and sustainable development. However, in the two classic processes of Bio-polishing and denim washing, Baico Biotech is textile enzyme and household detergent enzyme manufacturer in China. BBT has developed targeted solutions based on their distinct requirements: neutral cellulase for the former and acidic cellulase for the latter. This choice is not coincidental but the result of long-term industrial practice and continuous optimization.

Bio-polishing aims to remove the fibers pillings from the fabric surface, imparting a smooth, clean, and glossy appearance to the fabric. In this process, neutralcellulase, with its relatively large molecular structure, finds it difficult to penetrate into the fiber interior. Consequently, its action is mild and well-controlled, effectively removing surface pillings while causing minimal damage to the fabric's core strength. More importantly, the neutral working environment (pH 6–8) of this enzyme is highly compatible with other enzyme and reactive dyeing processes, enabling simultaneous processing in the one bath. For instance, BBT combined Bio-scouring enzyme RF838-K(D) can achieve both Bio-scouring and Bio-polishing in one step. Similarly, the neutral cellulase NEF®2100 allows for concurrent dyeing and polishing without compromising the dye chromophores, ensuring brilliant color yield and consistent fabric quality. In short, neutral cellulase significantly improves fabric absorbency and overall appearance.

Unlike Bio-polishing, the denim washing process pursues a vintage, worn-in look with distinct contrast patterns. To achieve a stone-washed effect by removing indigo dye in specific areas, acidic cellulase is typically preferred in the industry. This enzyme vigorously hydrolyzes the cellulose, efficiently stripping the surface-bound dye in a short time and greatly enhancing productivity. However, the indigo dye released under acidic conditions tends to redeposit easily onto the fabric, which can compromise the final appearance. Therefore, when using acidic cellulase, anti-back staining agents must be added during the abrasion stage to prevent dye redeposition and ensure the clarity of the desired patterns.

In summary, Baico Biotech is textile bio-scouring enzyme producer. BBT offers tailored enzyme formulations to meet diverse process requirements, helping textile mills achieve optimal finishing results. Looking ahead, BBT remains committed to advancing enzyme technology and driving innovation, contributing more efficient and reliable solutions to support the industry's green transformation and quality enhancement.

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