GB/T 45774.2-2025 Active National standards

GB/T 45774.2-2025 Quantitative determination of antibacterial activity of ceramic tile surfaces—Test methods—Part 2:Ceramic tille surfaces with incorporated photocatalytic antibacterial agents

Publish Date: 2025-06-30 Implement Date: 2026-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 45774.2-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Architectural sanitary ceramics

ICS Name: Ceramic and terracotta building products

Publish Date: 2025-06-30

Implement Date: 2026-01-01

Pages: 16 pages

Scope

This document describes the test method for the antibacterial activity of glazed and unglazed ceramic tiles containing photocatalytic antibacterial agents on their surfaces.
This document does not include the secondary effects of photocatalytic antibacterial treatment on the surfaces of ceramic tiles, such as chemical corrosion resistance, pollution resistance, and small color differences. Chemical corrosion resistance is covered in ISO 10545-13, pollution resistance in ISO 10545-14, and small color differences in ISO 10545-16.
This document does not include other properties of photocatalytic ceramics, such as the decomposition of water pollutants, self-cleaning, anti-fogging, and air purification. This document also does not include the evaluation of ceramic surfaces treated with surface disinfectants or reagents with residual activity over a certain period of time.
The test results obtained through this document are only applicable to this document and the specified test conditions. The test results show the antibacterial activity under specific test conditions, which cannot reflect the activity under various factors such as temperature, humidity, different bacterial species, and nutritional conditions.