ISO 20657:2017 specifies product definitions, product characteristics, i.e. tolerances, flatness, edgework, etc., fracture characteristics, including fragmentation, and the physical and mechanical characteristics of flat heat soaked tempered soda lime silicate safety glass for use in buildings.
ISO 20657:2017 does not cover curved (bent) glass according ISO 11485.
Status: PublishedPublication date: 2017-03
Edition: 1Number of pages: 50
Technical Committee: ISO/TC 160/SC 1 Product considerations
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