Publikuar
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.
PUBLISHED
ISO 20657:2017
90.93
Standard confirmed
14 qer 2022
Qelqi në ndërtim - Qelq i sigurt prej silikati sodo-kalcik i temperuar
60.60 Standard published