PD ISO/TR 21958:2019 - Ophthalmic optics. Review of the test methods used to assess scratch and abrasion resistance of spectacle lenses

PD ISO/TR 21958:2019

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

Status : Current   Published : September 2019

Format
PDF

Format
HARDCOPY



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.




Standard NumberPD ISO/TR 21958:2019
TitleOphthalmic optics. Review of the test methods used to assess scratch and abrasion resistance of spectacle lenses
StatusCurrent
Publication Date19 September 2019
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)ISO 8980-5:2005, ISO 19252:2008, ASTM D7027 - 13, ASTM D1044 - 13, ASTM D1003 - 13, ISO 9211-4:2012
International RelationshipsISO/TR 21958:2019
DescriptorsAbrasion-resistance testing, Abrasion resistance, Spectacle lenses, Ophthalmic lenses (spectacles), Ophthalmic filters, Test charts (ophthalmic)
ICS11.040.70
Title in FrenchOptique ophtalmique. Revue des méthodes de test utilisées pour évaluer la résistance à la rayure et à l'abrasion des verres ophtalmiques
CommitteeCH/172/3
ISBN978 0 539 01129 6
PublisherBSI
FormatA4
DeliveryYes
Pages26
File Size2.496 MB
Price£182.00


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