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ČSN EN ISO 18369-4 (195229)

Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials

STANDARD published on 1.3.2018

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The information about the standard:

Designation standards: ČSN EN ISO 18369-4
Classification mark: 195229
Catalog number: 504051
Publication date standards: 1.3.2018
The number of pages: 48
Approximate weight : 144 g (0.32 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

Annotation of standard text ČSN EN ISO 18369-4 (195229):

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