Test method for paper whiteness tester

The paper whiteness tester BD-07 is suitable for measuring the whiteness of objects or powders with flat non colored surfaces, and can accurately measure the whiteness value consistent with visual sensitivity.

Feature Introduction

★ Determine ISO Brightness (R457 whiteness). For fluorescent whitening samples, the fluorescence whitening produced by the emission of fluorescent substances can also be measured.
★ Measure the brightness stimulus value Y10.
★ Measure Opacity.
★ Measure transparency.
Measure the light scattering coefficient and absorption coefficient.
The whiteness tester measures the ink absorption value.