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Overview EN ISO 11381:2016 (Ophthalmic optics - Spectacle frames - Screw threads) specifies ISO metric screw-thread requirements for spectacle-frame use. Published by CEN and identical to ISO 11381:2…
Overview SIST EN ISO 11380:2000 specifies the characteristics and dimensional requirements for formers used in the lens edging process of ophthalmic optics, particularly for the manufacture of specta…
Overview EN ISO 11380:1996 specifies the characteristics and dimensional requirements for formers used in the lens edging process of ophthalmic optics, particularly for the manufacture of spectacle l…
1 Scope This International Standard provides guidelines for the description of data sheets for infrared materials. It specifies the nomenclature and the properties of infrared materials which are rep…
Overview ISO 11381:2016 - Ophthalmic optics - Spectacle frames - Screw threads specifies ISO metric screw-thread requirements specifically for spectacle frames. It defines the nominal thread sizes us…
Overview ISO 11380:1994 is an international standard established by the International Organization for Standardization (ISO) that specifies the essential characteristics and requirements for formers…
Overview ISO 11382:2022 - "Optics and photonics - Characterization of optical materials used in the infrared spectral range from 0,78 µm to 25 µm" - provides guidelines for preparing consistent, info…
Overview ISO 1138:2022 specifies two validated laboratory methods for the determination of total sulfur in all types of carbon black used as rubber compounding ingredients. The standard describes: -…