CHECK-TILE FOR COLOUR MEASUREMENT INSTRUMENTS

摘要

The invention relates to a check-tile for validating instrument scales of colour measurement instruments, in particular of goniospectrophotometers, said check-tile comprising a non-transparent (opaque) substrate coated with a multi-layer coating, said multi-layer coating comprising: A) a pigmented ground coat, wherein said pigmented ground coat is opaque and made of a base coat coating composition I comprising at least one opaque solid coloured pigment, and B) a pigmented mid-coat, wherein said pigmented mid-coat is translucent and made of a base coat coating composition II comprising at least one transparent interference pigment.