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Table 3 Ultraviolet (UV)-blocking rate (%) of gallotannin printed cotton fabrics

From: Sustainable functional finishing for cotton fabrics using screen-printing process and gallotannin

Wavelength range (nm) Number of gallotannin printed dots on cotton fabrics sized in 210 mm × 297 mm
100 300
UV-R: (190–400) 48.3 74.2
UV-A: (315–400) 45.1 72.5
UV-B: (290–315) 52.4 79.7