DPS
Drejtoria e Përgjithshme e Standardizimit
Phone: +355 4 222 62 55
E-mail: info@dps.gov.al
Address: Address: "Reshit Collaku" Str., (nearby ILDKPKI, VI floor), Po.Box 98, Tiranë - Albania
Main menu

ISO/TR 21958:2019

Ophthalmic optics — Review of the test methods used to assess scratch and abrasion resistance of spectacle lenses

Sep 18, 2019

General information

60.60     Sep 18, 2019

ISO

ISO/TC 172/SC 7

Technical Report

11.040.70  

French   English  

Buying

Published

Language in which you want to receive the document.

Scope

This document describes the most commonly used test methods considered in standardization work relating to scratch and abrasion resistance of plastic spectacle lenses along with their technical capacities and limitations. It includes the ISO test method for assessment of claims for basic abrasion resistance in ISO 8980-5.
This document is intended to be of benefit to any future interest in ISO standardization on scratch and abrasion resistance of spectacle lenses.

Life cycle

NOW

PUBLISHED
ISO/TR 21958:2019
60.60 Standard published
Sep 18, 2019

Preview

Only informative sections of projects are publicly available. To view the full content, you will need to members of the committee. If you are a member, please log in to your account by clicking on the "Log in" button.

Login