GB/T 48120-2026Fine ceramics - LED light source for testing semiconducting photocatalytic materials used under indoor lighting environment (English PDF)
精细陶瓷 室内照明环境下半导体光催化材料测试用LED光源
Also coversGB/T48120-2026 + GBT48120-2026
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 28, 2026
Implementation date
March 1, 2027
Scope
GB/T 48120-2026 is the English-translated version of 精细陶瓷 室内照明环境下半导体光催化材料测试用LED光源.
This standard concerns the LED light source used when testing semiconducting photocatalytic materials under indoor lighting conditions, within the field of fine ceramics. Photocatalytic coatings and powders are often evaluated under ultraviolet light, whereas indoor applications call for illumination that resembles ordinary room lighting; a defined LED source helps make such tests comparable between laboratories.
It will be relevant to developers and producers of photocatalytic materials, independent and in-house test laboratories, and buyers who need performance claims for indoor air-purifying or self-cleaning products to rest on a consistent test setup. The document adopts an international standard. It is a recommended (voluntary) national standard taking effect on 1 March 2027, with the China Building Materials Federation as the responsible body. Using a defined light source also helps manufacturers explain to customers under which lighting conditions a claimed photocatalytic effect was measured.
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Document preview — GB/T 48120-2026
National Standard of the People's Republic of China
- ICS
- 81.060.30
- Classification
- Q 32
Issued by: State Administration for Market Regulation; Standardization Administration of China
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
Foreword
GB/T 48120-2026 is a recommended national standard (GB/T) of the People's Republic of China, issued on 28 August 2026 by the State Administration for Market Regulation and the Standardization Administration of China, with effect from 1 March 2027.
The document adopts an international standard (ISO or IEC).
It is under the responsibility of the China Building Materials Federation.
Classification: ICS 81.060.30; CCS Q 32.
1 Scope
This standard concerns the LED light source used when testing semiconducting photocatalytic materials under indoor lighting conditions, within the field of fine ceramics. Photocatalytic coatings and powders are often evaluated under ultraviolet light, whereas indoor applications call for illumination that resembles ordinary room lighting; a defined LED source helps make such tests comparable between laboratories.
It will be relevant to developers and producers of photocatalytic materials, independent and in-house test laboratories, and buyers who need performance claims for indoor air-purifying or self-cleaning products to rest on a consistent test setup. The document adopts an international standard. It is a recommended (voluntary) national standard taking effect on 1 March 2027, with the China Building Materials Federation as the responsible body. Using a defined light source also helps manufacturers explain to customers under which lighting conditions a claimed photocatalytic effect was measured.
Remaining clauses in the full document
- 2 Normative references
- 3 Terms and definitions
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.
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