T/BYXT 005.8-2023 Active

Scope: This document specifies the terminology and definitions, classification, general principles, technical requirements, test methods, inspection rules, packaging, marking, and storage of rare earth antibacterial fiber materials. This document applies to the preparation and processing of rare earth antibacterial fiber materials. Other fiber materials subject to production standards may refer to this document for implementation; Main technical content: I. General Principles 1.1 Rare earth antibacterial fiber materials shall comply with relevant production standards in terms of basic functional applications and preparation and processing. 1.2 Rare earth antibacterial fiber materials shall allow, based on the functional application requirements of the fiber materials, the selection of at least one of the following antibacterial items: "antibacterial, bacteriostatic, virus inhibition, and mold prevention" as the antibacterial function application item. 1.3 The design, processing, sales, labeling, and management system of rare earth antibacterial fiber materials shall be implemented in accordance with the requirements of T/BYXT 001. II. Antibacterial Requirements 2.1 Product model, antibacterial base material zinc-containing antibacterial powder components and methods shall comply with the requirements of Table 1. Table 1: Product model, antibacterial material components and methods Product Model Product Name Zinc-containing antibacterial powder content (mass fraction/%) Component Method REA-FIBRE01-2N Rare earth antibacterial polyester drawn filament 0.1-5 Blending method REA-FIBRE02-2N Rare earth antibacterial viscose filament Blending method REA-FIBRE03-2N Rare earth antibacterial polyester grade chip (PET) Blending method REA-FIBRE04-2N Rare earth antibacterial polyester drawn filament Blending method REA-FIBRE05-2N Rare earth antibacterial viscose staple fiber Blending method REA-FIBRE06-2N Rare earth