DIN EN ISO 18369-4:2018-04
Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials (ISO 18369-4:2017, Corrected version 2017-10-01); German version EN ISO 18369-4:2017
| Fecha edición: |
2018-04-01
En Vigor
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|---|---|
| Idiomas disponibles: | Inglés, Alemán |
| Resumen: | This standard specifies the methods of testing the physicochemical properties of contact lens materials. These are extractable substances, rigid flexure and breakage, oxygen permeability, refractive index and water content. |
| Keywords: | Chemical|Chemical properties|Codes|Contact lenses|Extraction|Hard|Hydrogel contact lenses|Materials|Materials specification|Mathematical calculations|Methods|Ophthalmic optics|Ophthalmology|Optical glass|Optics|Oxygen|Permeability|Physical|Physical properties|Production|Properties|Refractive index|Soft|Specification|Strain|Systems|Test equipment|Water content |
| ICS: | 11.040.70 - Equipo oftálmico |
| CTN: | |
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Equivalencia Internacional |
Idéntica EN ISO 18369-4:2017 Idéntica ISO 18369-4:2017 |
|
Reemplazo Normas |
Reemplaza a DIN EN ISO 18369-4:2006-11 Reemplaza a DIN EN ISO 18369-4:2016-06 |
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