This document specifies the terms and definitions, principles, technical requirements, reagents and materials, test instruments and devices, test procedures, and test reports for the purification performance of photocatalyst wallpapers on harmful substances such as formaldehyde and toluene in indoor air. This document applies to photocatalyst wallpapers. Wall coverings, ceilings and other decorative materials with air purification properties can refer to this standard.
T/QDAS 071-2021 history
2021T/QDAS 071-2021 Purificatory performance of harmful substances in photocatalyst wallpaper