Blotting paper 100% cotton, 350grs / m2. With alkaline reserve of calcium carbonate, pH 8.5. Thickness 650 microns. Its great absorption capacity makes it ideal for drying prints and documents after washing, treatment and restoration. Ensures hygrometric balance as an interim between works, avoiding their physical deformation. Available in packs of 50 sheets. Dimension sheets: 80 x 120cm