China sun color fastness tester test standards: Light fastness: daylight, is not subject to the provisions of the rain under the conditions of sun exposure, and then refer to the blue wool standard to assess light fastness. Resistance to artificial light color fastness: xenon arc, is equivalent to the sun in the artificial light source under the conditions prescribed exposure, and then refer to the blue wool standard to assess light fastness. Resistant color fastness: outdoor exposure, is without any protection under the conditions of open exposure, and then control the blue wool standards for comparison, to assess the color fastness. Resistance to artificial climate color fastness: xenon arc, is required under the conditions, in the xenon lamp tester spray exposure, and then compared with the blue wool standards to assess the color fastness. Light and sweat color fastness, the sweat after treatment of the sample in the exposure of the instrument, and then assess its ...