• 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 DD 149:1986

BS DD 149:1986

Open Systems Interconnection: naming and addressing (ISO 7498/PDAD 3)

$147.00 $294.64

BS 6200-3.20.4:1986

BS 6200-3.20.4:1986

Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of nickel-Steel and cast iron: flame atomic absorption spectrometric method

$76.00 $152.40

BS 3762-3-3.4:1986

BS 3762-3-3.4:1986

Analysis of formulated detergents. Quantitative test methods-Method for determination of cationic active matter content

$125.00 $251.46

BS 6200-3.29.1:1986

BS 6200-3.29.1:1986

Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of tantalum-Steel: spectrophotometric method

$76.00 $152.40