GB/T 8440-1998 specifies a method for testing the color fastness of dyed textiles to the action of sulfuric acid (H₂SO₄) solution, simulating the wool carbonizing process. After treatment with sulfuric acid solution, drying, and baking, the degree of color change of the specimen is assessed. This standard is applicable to textiles containing cellulose fibers.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | W04 | ICS | 59.080.01 |
| Release Date | 1998-11-26 00:00:00 | Implementation Date | 1999-05-01 00:00:00 |