“ The latest buzzword ” in the world of glass :
– Anisotropy
– Birefringence
– Iridescense
– Leopard spots …… All these words refer to the same optical effect that tempered glass has.
Glass Inspector 4D is able through the appropriate combination of polarizing and retarding filters, an image of the glass is achieved where each level of anisotropy is represented by a colour. The unit of measurement is in nanometers and the system is designed taking compliance with the ASTM C1901-21 standard as a criterion, an German DIN SPEC 18198:2022-05

ENGLISH VERSION – GERMAN STANDARD ON THE CONTROL OF ANISOTROPY IN TEMPERED GLASS DIN SPEC 18198:2022-05

GERMAN VERSION – GERMAN STANDARD ON THE CONTROL OF ANISOTROPY IN TEMPERED GLASS DIN SPEC 18198:2022-05

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