Laboratory Gas Fume Chamber GT-C49

Laboratory Gas Fume Chamber GT-C49 to determine the colorfastness of of textiles of all kinds and in all forms when exposed to atmospheric oxides of nitrogen as derived from the combustion of natural gas. 

Test Principle
Put sample fabrics and control specimen into chamber, stop the test until the color of control specimen changes to the fading color as standard fading required. And compare with grey scale for color assessment. If without color changes after one test cycle, continue to test specified testing times or the testing cycle which will be able to change color.