The national standard for evaluating antimicrobial textiles, in effect for nearly two decades, is about to undergo a systematic overhaul, reshaping technical thresholds and compliance costs across the industry. According to public information from the National Technical Committee on Textiles, Part 3 (shaking flask method) has completed revision and is now in the approval stage, while Part 2 (absorption method) recently held its review meeting in Zhejiang, signaling that the revision of this foundational standard series is entering its final stretch.
Background
The current GB/T 20944 series consists of three parts: Part 1 (agar diffusion method, 2007), Part 2 (absorption method, 2007), and Part 3 (shaking flask method, 2008). Over nearly 20 years, antimicrobial technology has expanded from underwear and socks to sportswear and medical textiles, with new materials and processes emerging continuously. The limitations of original test methods and scopes have become increasingly apparent. Revision tasks were assigned in June 2024 (Part 3, plan no. 20241952-T-608) and June 2025 (Part 2, plan no. 20251603-T-608), with drafting units covering testing institutions, research institutes, brand enterprises, and new material suppliers, showing notably broad industry participation.
Industry Impact
The revision's ripple effects across the supply chain are multi-layered. For upstream antimicrobial agent suppliers, potential adjustments to test strains or culture conditions will directly affect formulation compliance, forcing raw material upgrades. For midstream fabric and finished product companies, changes in test methods imply rising testing costs—especially the absorption method's stricter sample preparation requirements, which may strain small factories' in-house laboratory capabilities. More critically, the revised standard will tighten functional labeling rules, making vague claims like "99% antibacterial rate" without corresponding test evidence a compliance risk, thereby curbing marketing hype.
From a market perspective, standard revisions often act as industry watersheds. Companies with technical reserves and testing capabilities can consolidate advantages, while low-cost, low-quality competitors may be forced out if they cannot meet new requirements. For buyers, the standard update means inspection criteria will change; they must track revised technical indicators to avoid purchasing inventory that fails to comply. For exporters, the alignment—or divergence—between China's revised standard and international methods (e.g., AATCC, ISO) will directly impact cross-border testing convenience and costs.