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ISO 25549:2026
Fine bubble technology — Evaluation method for determining the shear viscosity of ultrafine bubble dispersions
Translate name
STANDARD published on 18.8.2026
The information about the standard:
Designation standards: ISO 25549:2026
Publication date standards: 18.8.2026
SKU: NS-1282953
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 25549:2026 :
Description / Abstract: This document specifies a method for evaluating the shear viscosity of ultrafine bubble (UFB) dispersions. The method is based on any of the three measurement devices, namely parallel-plate rotational shear, cone-plate rotational shear and coaxial-cylinder rotational shear. The average effective shear viscosity of the ultrafine bubble dispersion is calculated from the measured stress (or strain rate) and the strain rate (or stress) applied to the sample. There are commercially available instruments based on these measurement methods in the market. This document applies to UFB produced using different methods of production.
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