Patent ID: 7985701

Claim:
A water-discoloring wall adhering material comprising: a non-woven fabric comprising a cellulose fiber and a polyester fiber, and having a weight of from 40 to 150 g/m 2 and provided on a surface thereof a porous layer in an amount of from 5 to 50 g/m 2 , the porous layer comprising a binder resin and a pigment having a refractive index in a range of from 1.4 to 1.8 dispersed in the binder resin, wherein the mixing ratio of the cellulose fiber to the polyester fiber is from 95:5 to 50:50, wherein the water-discoloring wall adhering material has a lightness value at a part on which the porous layer is formed being in a range of from 9.5 to 7.0 in a dry state, and a color tone of the non-woven fabric being partially perceived in a dry state, and wherein the water-discoloring wall adhering material has a gross weight of from 50 to 200 g/m 2 , and has a stockigt sizing degree measured from the side at which the porous layer is provided of from 5 to 3,600 seconds.