Verre dans la construction — Verre de sécurité de silicate sodocalcique trempé et traité

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.