BS PD ISO/TR 21958:2019
Original price was: $264.16.$132.00Current price is: $132.00.
Ophthalmic optics. Review of the test methods used to assess scratch and abrasion resistance of spectacle lenses
BSI Group , 09/19/2019
Pages: 26
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
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Original price was: $264.16.$132.00Current price is: $132.00.
Original price was: $264.16.$132.00Current price is: $132.00.
Original price was: $264.16.$132.00Current price is: $132.00.
Original price was: $264.16.$132.00Current price is: $132.00.
Original price was: $264.16.$132.00Current price is: $132.00.
Original price was: $264.16.$132.00Current price is: $132.00.
Original price was: $264.16.$132.00Current price is: $132.00.
Original price was: $264.16.$132.00Current price is: $132.00.