IS 11307 : 2025/ISO 24285 : 2022 Cellular Glass Block and Pipe Thermal Insulation - Specification
NATIONAL FOREWORD
This Indian Standard (First Revision) which is identical to ISO 24285 : 2022. 'Thermal insulation for building equipment and industrial installations - Cellular glass products - Specification' issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on the recommendation of the Thermal Insulation Sectional Committee and approval of the Chemical Division Council.
This standard was first published in 1985. The committee responsible for formulating this standard decided to revise the standard by adopting 'ISO 24285 : 2022 Thermal insulation for building equipment and industrial installations - Cellular glass products' on dual number basis. This standard specifies the requirements and test methods for factory-made cellular glass products, which are used for thermal insulation of building equipment and industrial installations, with an operating temperature range of approximately - 265 °C to + 430 °C.
The text of ISO standard has been approved as suitable for publication as an Indian Standard without deviations. Certain conventions are, however, not identical to those used in Indian Standards. Attention is particularly drawn to the following:
a) Wherever the words 'International Standard' appears referring to this standard, they should be read as 'Indian Standard'; and
b) Comma (,) has been used as a decimal marker, while in Indian Standards, the current practice is to use a point (.) as the decimal marker.