- This tester measures the colour fastness to washing of specimens. A specimen and a white cloth are handled in laundry detergent, and are scoured and dried. After that, fading and discoloration of the specimen and the degree of contamination of the white cloth are used for estimation the fastness by comparing with the grey scale for fading, discoloration or contamination.
- The corrosion resistance of bath material is excellent, because of using stainless steel(Sus ＃ 304)