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AATCC Crockmeter TF410

4.88 (8 reviews)

Manual AATCC Crockmeter, to test the colour fastness of textiles to dry or wet rubbing.

Description

Application

Crockmeter, to determine the colour fastness of textiles to dry or wet rubbing.

The new Crockmeter equipped with an electronic counter, and handle is on the top to take it easy. A sandpaper is set under the test sample so that the sample is fixed during the test, makes the rubbing Color Fastness test repeatable.

Specifications

  • Rubbing head 16 mm
  • Vertical pressure 9N+/-10%
  • Rubbing stroke 104 mm

Weight

35 kg

Dimensions

Length:660 mmWidth:160 mmHeight:215 mm

Standards

ISO 105x12ISO 105xD02AATCC 8AATCC 165

 

How to Correctly Read the Gray Sample Card?

1.Calibration basis. GB / T 250-2008 (ISO 105 / A02-1993) “Gray Scale for Evaluating Color Displacement” sets the quantitative requirements for the accuracy and effectiveness of a gray swatch:

  • The tristimulus value Y for each pair of the first group should be 12 ± 1
  • Each pair of the second component along with the first component has color difference provisions which can be seen in the chart below:
Durability Level (Degree)CIELab Color DifferenceTolerance
500.2
4~50.8±0.2
41.7±0.3
3~42.5±0.35
33.4±0.4
2~34.8±0.5
26.8±0.6
1~29.6±0.7
113.6±1.0

(Gray card calibration qualified technical indicators)

2.Calibration items. The calibration items are mainly Y values and CIELab color differences. Y value refers to the color brightness; CIELab color is the International Commission on Illumination (CIE) adopted a set of color formula, called CIE1976 * a * b *.

3.Calibration method. The colorimeter was used to determine the Y value and the CIELab color difference for each set of gray card color difference levels. Compare whether the Y value is in the range of 12 ± 1, and whether the CIELab color difference value meets the requirements in the tolerance range of Table 11-1 to determine the validity of the gray card.









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    8 reviews for AATCC Crockmeter TF410

    1. Stephen Curry

      if you have budget and this manual crockmeter is a good alternative to the electronic one

    2. Nelson Horace

      Very nice item, prompt shipping.

    3. J. Harvey

      I purchased this AATCC Crockmeter to test the colorfastness of textiles to dry or wet rubbing condition. I decided to give this a try because it’s elegant design, and for the price point, it’s affordable, I found the unit to be great in my application.

    4. Bill Frances

      This is a great little crockmeterand I have had nothing but great results using it.

    5. Arno Jimmy

      What a nice small thing! I love it!

    6. Jessie Thodore

      The crockmeter price is favorable for me.And with excellent use effect.

    7. Madeline Dryden

      Reasonable price, practical crockmeter!

    8. Patrick

      qualità/prezzo ottimo

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