Product name: CTA scale for assessing staining ISO 105 A03 AATCC/EP2 GB251 staining the grey card Gray card

Origin: China

Description:

This staining Gray card conform to the following:

International standard: ISO 105 A03 United States standard: AATCC/EP2 national standard: GB/t 251

For assessing colour fastness test of staining, level 1-5, level increase, mounted inside the wrapper.

Gray card for international level 5 in this series 9 specifications type. Gray card gray full ISO, AATCC, colorimetric data provided by the GB, made from carefully color scheme. Colorimetric data of each document are imported with high accuracy spectrophotometer, with chromatic passing reference to the correction of the China Academy of Sciences, ensure its grayscale data with the international agreement.

Field of application:

As a result of the international standard ISO, United States standard AATCC and colorimetric data provided by the China national standard GB standard to calibrate the grey card, so use the gray card to determine colour fastness level, consistent with the international. The gray card applies to GB, ISO, AATCC, DIN, BS, JIS, EN textile color fastness ratings in standards.

Precautions for use:

1. keep the gray card clean.

2. should always check the availability of finger marks on a gray card.

3. if interference found marks on the rating, you must replace the gray card.

4. try to avoid mechanical damage arising from the touch.

5. If you interfere with mechanical damages on the rating should be replaced.

6.Gray card after use, be put inside a sleeve.