This test evaluates colorfastness properties of all textiles (excluding loose fibers) when exposed to atmospheric nitrogen oxides from chemical butane gas or urban gas combustion.
Product details
【Scope of Application】：<\b>
This test evaluates colorfastness properties of all textiles (excluding loose fibers) when exposed to atmospheric nitrogen oxides from chemical butane gas or urban gas combustion.
【Compliance Standards】：<\b>
AATCC 23, ISO 105-G02, GB/T 11039.
【Test Principle】：<\b>
Textile specimens and control samples are simultaneously placed in a gas fume. The test concludes when the control sample's color change reaches the specified fading standard. Color changes are assessed using gray sample cards. If no color change is observed after one test cycle, the test may be repeated for the required number of cycles or until the specified color change is achieved.
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