How to test whether the various performance indicators of PET matte silver thermal paper meet the standards?

To test whether the various performance indicators of PET matte silver thermal paper meet the standards, a series of scientific and systematic steps and methods need to be followed. Here are some key testing items and corresponding methods:

1、 Appearance inspection

Purpose: To inspect the surface smoothness, color uniformity, and defects (such as wrinkles, stains, scratches, etc.) of PET matte silver thermal paper.

Method: Visual inspection is used to carefully observe the surface condition of the paper with the naked eye or a magnifying glass.

2、 Size inspection

Purpose: To measure the length, width, thickness, and other dimensions of PET matte silver thermal paper to ensure compliance with standard requirements.

Method: Use precision measuring tools such as calipers and micrometers to measure and record the data.

3、 Thermal performance testing

Purpose: To test the thermal sensitivity, color development speed, color clarity, and thermal stability of PET matte silver thermal paper.

Method: Use a thermal performance tester or thermal printer for testing, observe and record the reaction performance and printing effect of the paper at different temperatures.

4、 Print quality inspection

Purpose: To evaluate the printing clarity, resolution, color saturation, and other indicators of PET matte silver thermal paper.

Method: Use a printer to print test samples, and visually inspect or use professional testing equipment (such as colorimeters, resolution testers, etc.) to check the print quality.

5、 Light resistance test

Purpose: To investigate the color change of PET matte silver thermal paper under light conditions, in order to determine its light resistance performance.

Method: Expose the paper to a light source (such as xenon lamp, ultraviolet lamp, etc.), regularly check for fading, and record the data.

6、 Water resistance test

Purpose: To test the performance of PET matte silver thermal paper after immersion in water and evaluate its waterproof performance.

Method: Soak the paper in water for a certain period of time, remove it, observe its deformation and fading, and record it.

7、 Wear resistance test

Purpose: To evaluate the wear resistance of PET matte silver thermal paper under friction to ensure its service life.

Method: Use friction testing machines and other equipment to test the wear resistance of paper, record the number of frictions and the wear condition of the paper surface.

8、 Chemical performance testing

Purpose: To detect the content of harmful substances such as heavy metals, formaldehyde, benzene, etc. in PET matte silver thermal paper to ensure compliance with environmental requirements.

Method: Chemical analysis methods (such as chromatography, mass spectrometry, etc.) are used to analyze and detect chemical substances in paper.

9、 Physical performance testing

Purpose: To test the physical properties such as tensile strength and tear strength of PET matte silver thermal paper.

Method: Use tensile testing machines, tear testing machines, and other equipment to test the physical properties of paper and record relevant data.

10、 Dimensional stability test

Purpose: To measure the size changes of PET matte silver thermal paper under different temperature and humidity conditions, in order to evaluate its stability.

Method: Place the paper in a specific temperature and humidity environment, regularly measure its size changes, and record the data.

In summary, testing whether the various performance indicators of PET matte silver thermal paper meet the standards requires a comprehensive evaluation using multiple methods and instruments. Through scientific testing processes and methods, the quality of PET matte silver thermal paper can be ensured to meet relevant standards and regulations, and meet practical application needs.