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Veslic Rub Fastness Tester UI-FT23

Veslic Rub Fastness Tester is used to test leather color fastness by to-and-for rubbing. 

  • Unuo Instruments
  • 18 months warranty
  • CE & ISO 17025 calibrated certificate
  • ISO 11640, DIN 4843, SATRA TM173 and etc
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Veslic Rub Fastness Tester is used to test leather rub color fastness by to-and-for rubbing with a wool felt. And it is suitable to test all kinds of leathers. Veslic Rub Fastness test standard includes: ISO 11640, DIN 4843 and etc.

1. Unuo Veslic Rub Fastness Tester Features:

  • Easy operation and long service life;
  • Test Positions 1, 2, 4 for choose;
  • Test consumables are all available.

2. Rub Fastness Tester Principle:
The Veslic test is to determine leather surface rub resistance ability with a wool felt. Veslic Leather Rub Color Fastness Tester would rub the leather sample with a wool felt with certain pressure for certain cycles. When it reaches the pre-set test cycles, machine would auto-stop. Then to check 1) wool felt color staining degree with staining grey scale; 2) leather sample color change degree with color change grey scale. 3) any change/damage to the leather.

3. Some Other Items You May Need to Complete The Rub Fastness Test

We can supply above all.

4. Leather Rub Fastness Test Procedure:

1) Condition

  • -Dry Test: Condition the sample as per ISO 2419; Temp. And humidity control chamber is needed;
  • -Wet Test: Condition the sample as per ISO 11640 or your test standard; Vacuum vessel is needed.

2) Amount the sample on the rubbing fastness tester, choose the suitable mass for the sample. For normal leather, adopt total mass 1000±35g; for suede leather or suede-like leather, adopt total mass 500±25g. Amount the conditioned wool felt, rub the sample to-and-fro to certain number. For wet test, the sample and felt should be dried as per standard before assessment.

3) Assessment:

  • -Leather Sample: use D65-Color Matching Booth to assess the color change as per ISO 105-A01;
  • -Wool Felt: assess with grey scale according to ISO 105-A02 & ISO 105-A03

5. Veslic Rub Fastness Tester Key Specification:                                                     

Model UI-FT23
Position 1, 2, 4 (choose according to your requirements)
Abrasion Hear Test Area 15mm x 15mm
Movement speed 40 ± 2 times / min.
Rubbing Stroke 35 ± 2 mm
Rubbing Head 500g
Additional weight 500g
Fixtures distance 80mm
Sample size 120x20mm
Tension extension range of sample 0 ~ 20%
Power supply 1∮AC 220V 50/60HZ
Standards DIN 4843, ISO 11640, SATRA PM 173,

QB/T 2537, GB/T 20991 section 7.3,

EN ISO20344 section 7.3

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