• 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

$125.00$251.46


Published:19/09/2019

Pages:26

File Size:1 file , 2.5 MB

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 and abrasion resistance of spectacle lenses.

Cross References:
ISO 8980-5:2005
ISO 19252:2008
ASTM D7027 - 13
ASTM D1044 - 13
ASTM D1003 - 13
ISO 9211-4:2012


All current amendments available at time of purchase are included with the purchase of this document.

More BS standard pdf

BS 12/30247200 DC

BS 12/30247200 DC

BS ISO 3951-1. Sampling procedures for inspection by variables. Part 1. Specification for single sampling plans indexed by acceptance quality limit (AQL) for lot-by-lot inspection for a single quality characteristic and a single AQL

$118.00 $237.78

BS 12/30256440 DC

BS 12/30256440 DC

BS EN 10200. Chemical analysis of ferrous materials. Determination of boron in steel. Spectrophotometric method

$138.00 $276.89

BS 12/30256050 DC

BS 12/30256050 DC

BS EN 16382. Thermal insulation products for building applications. Determination of the pull-through resistance of anchors through thermal insulation products

$110.00 $220.94

BS 12/30255105 DC

BS 12/30255105 DC

BS EN 13321-1. Open data communication in building automation, controls and building management. Home and building electronic system. Part 1. Product and system requirements

$126.00 $253.86