1 Scope
This part specifies the requirements and the test methods for the surface abrasion resistance of the spectacle lenses.
This part is applicable to the spectacle lenses with or without coating.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the dated versions apply. For undated references, the latest edition of the normative document (include all the amendments) applies.
GB/T 2410-2008 "Determination of the Luminous Transmittance and Haze of Transparent Plastics"
3 Definitions
Foreword I
1 Scope
2 Normative References
3 Definitions
4 Requirements for the Surface (Convex Surface) Abrasion Resistance of the Spectacle Lens
5 Test Methods
6 Result Calculation
Annex B (Normative) The Diagram of the Devices for Visual Inspection and the Haze Meter
Annex C (Normative) Sketches of Steel Wool and Abrasion Tool
Bibliography
