Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials
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English Hardcopy
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Number of Standard:
CSN EN ISO 18369-4
Category:
195229
Pages:
48
Released:
01.03.2018
Catalog number:
504051
DESCRIPTION
CSN EN ISO 18369-4
CSN EN ISO 18369-4 This document specifies the methods of testing the physicochemical properties of contact lens materials. These are extraction, rigid lens flexure and breakage, oxygen permeability, refractive index and water content. Original English text of CSN EN Standard. The price of the Standard included all amendments and correcturs.