Color Fastness To Rubbing
Color fastness to rubbing is one of the basic color fastness tests among the many color fastness tests for textile intrinsic quality indicators. The test standards of different countries have the same principle but different details.
The rubbing colour fastness test is carried out on a rubbing colour fastness tester. In terms of rubbing method, there are three kinds of rubbing test methods: parallel reciprocating type, bridge type and rotating rubbing. Usually, the standard white cotton cloth for rubbing is fixed on the rubbing head, and under certain pressure, the dyed fabrics are rubbed according to the specified rubbing method, the number of rubbing times and the rubbing range to complete the test operation. Usually, the white friction cloth is used in both dry and wet conditions. After drying the friction fabric specimens, the degree of staining of the friction white fabrics is evaluated with a standard stained grey sample card under a quasi-light source. The test methods vary from country to country in terms of friction range and speed, friction head pressure and size, moisture content of the cloth and humidification method. These differences have an impact on the test results.
Colour fastness to rubbing standardisation | ||||
Item | GB/T 3920-2008 | AATCC8-2007 | AATCC 116-2010 | JIS L0849-2004 |
Specimen size/mm | 50X140 | 50X130 | At least 25mm square |
Tribometer Type I :50X140 Tribometer Type I :30×220 |
Friction head size/mm |
Round (general fabric) diameter: 16±0.1 Square (fleece): 19×25.4 |
Round Diameter:
16±0.3 |
Round Diameter:
16±0.3 |
Round Diameter:
16±0.9 |
Vertical pressure of friction head/N | 9±0.2 | 9±0.9 | 11.1± 1.1 | 9±0.9 |
Friction range/mm | 104±3 | 104± 3 | not have | 100 |
Friction times | 10 rubs in 10s | 10 rubs in 10s | 40 opposite trajectories | 100 rubs in 200s |
Friction cloth size/mm | Non-fleece:
50×50Fleece:25×100 |
50X50 | 51X51 | 60×60 |
General Terms and Conditions of Cybozu Friction Cloth | 100%cotton
whiteness(70±5)%. |
100% combed cotton
whiteness |
100% combed cotton
whiteness |
100% cotton
85% whiteness |
Water content of friction cloth/per cent | 95~100 | 65 | 65 | 100 |
Running direction | Friction cloth warp direction is the same as the running direction | Friction cloth warp direction is the same as the running direction | fixed point rotation | Friction cloth warp direction is the same as the running direction |
Sample card for rating | G8 251 colour staining sample card | AATCC Grey Card or Colour | AATCC Grey Card or Colour | JISL0805 Put colour grey card |
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