Glass in building. Product standard for structural and/or ultra-violet resistant sealant (for use with structural sealant glazing and/or insulating glass units with exposed seals) Ingestion-build-48183 BS EN 81‑21:2018 supersedes BS

BS EN 81‑21:2018 supersedes BS EN 81‑21:2009+A1:2012

Some of these components can exhibit corrosive properties

NOTE 3: It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects

guidelines and standards that have been developed for technologies commonly available in ECM systems

the geometric tests for general purpose normal accuracy numerically controlled (NC) turning machines and turning centres with vertical workholding spindles

Glass in building. Product standard for structural and/or ultra-violet resistant sealant (for use with structural sealant glazing and/or insulating glass units with exposed seals) Ingestion-build-48183 BS EN 81‑21:2018 supersedes BS1 Scope This European Standard covers the requirements for and testing of sealants for use in one or more of the following applications: a) Manufacturing of insulating glass units where ultra violet resistance and or mechanical resistance (structural use) of the insulating glass edge seal is required. b) Manufacturing of factory made structural sealant glazing elements when referred to by the relevant European Standards and or European Technical