Ultramarine Blue For Paper Industry

Paper Ultramarine:-

Ultramarine blue is preferred in paper industry for the coloration of the external coating on colored and stucco papers and whitening of cellulose pulp. Various companies use a combination of Ultramarine Blue and an optical whitener to attain influence optical whitening particularly below a light which is rich in ultraviolet rays. Both products are very companionable and do not create any problem.