STAIN RESISTANCE TESTING METHOD AND STAIN RESISTANCE TESTING MACHINE

摘要

PROBLEM TO BE SOLVED: To reproduce the degree of staining of the outer wall of a building material or the like in a state nearer to a natural state using simple equipment and in a short time.;SOLUTION: In this stain resistance testing method and a stain resistance testing machine, a staining substance is bonded to the surface of a sample by repeating dripping of a definite amount of a staining substance-containing liquid from an upper constant position and rinsing of the staining substance-containing liquid to evaluate dust.;COPYRIGHT: (C)2006,JPO&NCIPI