Opacity Tester, Power : 230V, 50 Hz.

Presto Stantest designed and manufactured “Opacity test – Digital” to evaluate the reflectionabsorption power of the paper and packaging materials. Measuring the transparency of the papers is the basic property of a paper. The opacity is defined as a portion of reflection to measure the reflectance of the material. The opacity of the paper is subjective to the degree of bleaching of the fibers, thickness, coating, the kind of filler, and other parameters.