• Your shopping cart is empty!

PDF Preview

BS PD ISO/TR 21958:2019

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

BSI Group , 09/19/2019

Publisher: BS

File Format: PDF

$132.00$264.16


Standard By:BSI Group , 09/19/2019
Published:09/19/2019
Pages:26
ISBN(s):9780539011296
File Size:1 file , 2.5 MB
Language:English
Note:This product is unavailable in Ukraine, Russia, Belarus
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 andabrasion resistance of spectacle lenses.Cross References:ISO 8980-5:2005ISO 19252:2008ASTM D7027 - 13ASTM D1044 - 13ASTM D1003 - 13ISO 9211-4:2012

More BS Standards PDF

DIN 6337

DIN 6337

$22.00 $45.00

DIN CLC/TS 50083-3-3

DIN CLC/TS 50083-3-3

$30.00 $60.00

DIN 87152-1

DIN 87152-1

$22.00 $45.00

DIN 6779-13 - DRAFT

DIN 6779-13 - DRAFT

$56.00 $112.00