![<?echo $_SERVER['SERVER_NAME'];?>](/template/twentyseventeen/skin/images/header.jpg)
Abstract: Mask aluminum foil bag packaging is a packaging form commonly used in sheet masks. The rubbing resistance of this type of packaging is an important factor that affects the quality of its packaged products. In this paper, the Labthink FDT-02 rubbing tester was used to perform the rubbing test on the aluminum foil used to make the mask packaging aluminum foil bag, and the results of the rubbed samples were evaluated using the turpentine method. The description of the scope and other contents can provide a reference for enterprises to monitor the rubbing resistance of flexible plastic packaging materials.
Keywords: facial mask packaging aluminum foil bag, rubbing resistance, rubbing tester, aluminum foil, turpentine oil method, pinhole
1. Significance
With the improvement of people's living standards, many women pay special attention to skin care, and the demand for facial masks is increasing. In order to effectively extend the storage of the mask and facilitate the delivery and sale of products, many mask brands have chosen aluminum foil bags as the packaging of the mask.
What is the role of mask packaging in aluminum foil bags?
a. Good sealing performance, avoid light, and well protect the mask products from external environments such as extrusion, impact, temperature difference and direct sunlight.
b. Make the mask can be separated from oxygen, water vapor, stains, etc., make the mask clean and quality
However, due to the poor rubbing resistance of the aluminum foil layer, the aluminum foil layer is easily damaged under the action of external force and bending, and the pinholes are formed. The barrier function is mainly the aluminum foil layer. If the aluminum foil layer has pinholes, the entire material The barrier property of the product will decrease, the product will deteriorate, and even a pinhole will be formed throughout the entire material, so that the barrier property of the package will be lost and the product will leak. Therefore, by strengthening the detection of the rubbing resistance of the aluminum foil layer, it can effectively prevent the mask aluminum foil bag made from it from being packaged in the crease or other parts of the bag body.
Figure 1 Common facial mask aluminum foil bag packaging
2. Test basis
At present, there are no domestic standards related to the rubbing resistance of flexible plastic packaging. The test procedure is based on the American standard ASTM F392.
3. Test samples
The test sample used in this test is the aluminum foil layer used in the packaging of aluminum foil bags for facial masks.
4. Test equipment
The test equipment used in this article is the FDT-02 rubbing tester independently developed and produced by Jinan Languang Electromechanical Technology Co., Ltd.
Figure 2 FDT-02 rubbing tester
4.1 Test principle
This equipment simulates the possible rubbing effect of the flexible plastic packaging material sample during use, and rubs the sample in both the horizontal and vertical directions. The strength of the rubbing can be determined by selecting different rubbing modes (different rubbing times). There are two main methods for evaluating the resistance to rubbing of samples. One is determined by comparing the barrier properties of the samples before and after rubbing. The samples with good rubbing resistance have little change in barrier properties before and after rubbing, while the samples with poor rubbing resistance rub. The barrier after is much lower than before rubbing; the other is the analysis of the rubbed sample using the turpentine method. If there are pinholes that penetrate the entire sample, turpentine spots will be formed on the white paper. The comparison of the size can get the rubbing resistance of the sample.
4.2 Device parameters
Rubbing frequency: 45 times / minute.
Kneading angle: 440 ° or 400 °.
Horizontal travel: 155 mm or 80 mm.
Number of samples: 4 identical or different samples can be tested in one test.
Kneading mode: A, B, C, D, E five kinds of kneading modes are available.
4.3 Scope of application
(1) Films: suitable for the rubbing resistance test of plastic films, sheets, and composite films, such as various composite films for packaging, aluminized films, aluminum-plastic composite films, nylon films, and coating films.
(2) Paper: It is suitable for the anti-kneading performance test of paper materials.
(3) Standard: Meet ASTM F392.
5. Test process
(1) Cut three 200 mm × 280 mm rectangular samples from the sample surface of the aluminum foil layer for the aluminum foil bag of the mask.
(2) Wrap three pieces of sample on the three pairs of rotating shafts of the rubbing tester, and fix the sample with a fixing clip.
(3) Choose the appropriate rubbing mode, this time choose C mode.
(4) Start the test, after reaching the set number of kneading times, the device will automatically stop and remove 3 samples.
(5) Cut one sample of 150 mm × 200 mm from each of the three samples after rubbing.
(6) Take a piece of white paper and lay it flat on the test board, then put one of the 150 mm × 200 mm samples on the white paper, apply the prepared turpentine to the surface of the sample repeatedly, and let it stand for 1 minute After that, remove the sample and observe whether there are red spots on the white paper and the size and number of spots.
(7) Repeat the operation of (6) until the three samples are tested.
6. Test results
There are more than 4 spots with diameters ranging from 3 mm to 5 mm in diameter on 3 sheets of white paper, which shows that under the rubbing effect of C mode, penetrating pinholes appear on the surface of the sample, tested in this test The sample has poor rub resistance.
7. Conclusion
The rubbing resistance of the aluminum foil used in the mask foil packaging is an extremely important performance index. The value of this index determines the barrier properties of the mask foil packaging after being rubbed by external force during use. This test used the FDT-02 rubbing tester to rub the test sample in C mode. The pinholes formed on the surface of the sample after rubbing were verified by the turpentine method. The test process is simple, the equipment is easy to operate, and the test results are easy to count It is a simple and easy test method for rubbing resistance test of flexible plastic packaging materials. Labthink is a high-tech enterprise specializing in the research and development and production of packaging testing equipment. In addition to the rubbing tester involved in this article, the testing equipment that has been produced currently includes a gas permeability tester, an oxygen permeability tester, and water vapor. Throughput tester, intelligent electronic tensile tester, friction coefficient meter, headspace gas analyzer, atomization tester, torque meter, heat seal tester, evaporation residue constant weight meter and other testing equipment. The more you understand, the more you trust! Jinan Languang Electromechanical Technology Co., Ltd. looks forward to enhancing technical exchanges and cooperation with enterprises and institutions in the industry!
Sublimation Puzzle,Heart Blank Puzzle,Round Shaped Puzzle,Blank Round Puzzle
Hangzhou Wonderlandtoys Co., Ltd , https://www.wonderlandtoyscn.com