Standardization in the field of Fine Bubble Technology covering general principles including terminology, characterization and applications of fine bubbles of gas in a typically but not exclusively liquid medium. The artificially manufactured fine bubbles of typically smaller than 100 micrometres in size are considered.

Quick links


Published ISO standards *


ISO standards under development *

Participating members
Observing members

* number includes updates

Reference Title Type
ISO/TC 281/AHG 2   Deliberation on projects assigned by CAG Working group
ISO/TC 281/WG 1   General principles including terminology Working group
ISO/TC 281/WG 2   Fine bubble characterization and measurement Working group
ISO/TC 281/WG 3   Applications of fine bubble technology Working group
Liaison Committees to ISO/TC 281

The committees below can access the documents of ISO/TC 281:

Reference Title ISO/IEC
ISO/TC 24/SC 4 Particle characterization ISO
ISO/TC 229 Nanotechnologies ISO


Liaison Committees from ISO/TC 281

ISO/TC 281 can access the documents of the committees below:

Reference Title ISO/IEC
ISO/TC 24/SC 4 Particle characterization ISO
Date Month Location TC/SC Note
21-23 February 2024 Honolulu (United States) ISO/TC 281  

* Information definite but meeting not yet formally convened
** Provisional

ISO/TC 281 - Secretariat

JISC [Japan]

Japanese Industrial Standards Committee
Technical Regulations, Standards & Conformity Assessment Policy Unit
Ministry of Economy, Trade and Industry
1-3-1, Kasumigaseki, Chiyoda-ku
Tokyo 100 - 8901

Tel: +81 3 35 01 94 71
Fax: +81 3 35 80 86 37