China's oxygen permeability meter to meet the needs of multi-functional, multi-standard development

With the strengthening of the quality supervision of food packaging materials by the AQSIQ and the promotion of the mandatory testing requirements for pharmaceutical packaging and packaging materials by the State Administration of Drug Control, food and pharmaceutical and packaging materials suppliers need to deploy relevant packaging and packaging materials. Material testing equipment. Gas permeability detection is important in the detection and control indicators of packaging materials, especially the detection of oxygen transmission rate. However, in the current industry, there are two methods of differential pressure method and equal pressure method (Coulomb, electricity method), and the gas permeability detection instrument (oxygenation instrument) has high procurement cost, and is often accepted as a purchaser. One of the methods is chosen for budgetary funding constraints, but the gas permeability detection and research work of another method cannot be carried out, which brings confusion to relevant units in the industry. Labthink's "PERME DM2/330 double-detection gas permeability tester" completely solved this problem.

First, the current status of gas permeability test standards

The detection of the gas permeability of packaging and packaging materials can be divided into equal pressure method (the same pressure on both sides of the sample, also known as Coulomb, electricity method) and differential pressure method (pressure difference on both sides of the sample). Kind. Due to the difference between the test principle and the test results, it is very difficult to simultaneously achieve the equal pressure method and the differential pressure method on one structure. Users need to meet two different test methods or compare the test data of two different principles. It is necessary to purchase testing equipment with different principles, which will inevitably lead to an increase in procurement costs. The two test methods currently have support from China, the United States, Japan, the international and even more standards, and they are all mainstream methods. The two standard methods exist at the same time. Although they provide users with flexible choice opportunities to some extent, they also let users Faced with the problem of not knowing how to choose. The current gas transmission rate detection standards are as follows:

1 , the relevant standard of differential pressure method

2 , the equivalent standard of the isobaric method (coulomb method)

Second, PERME DM2/330 double detection method gas permeability tester introduction

Labthink (Jinan Languang Electromechanical Technology Co., Ltd.) has launched the "PERME DM2/330 double-detection gas permeability tester" from the market in 2009 with solid research and years of experience in gas transmission performance testing. The successful launch of the instrument has become the world's first test instrument with dual functions of differential pressure method and isobaric method (coulomb, electricity). Users only need one instrument to complete all gas permeability detection methods, especially For the institutions of the Academy of Sciences, work on the relationship between the two methods can be carried out.

Labthink DM2/330 double-detection gas permeability tester solves the industry's problems in implementing the same test principle for the same equipment. Its outstanding advantages are:

1,               The patent structure design is used to realize three test modes: equal pressure method, differential pressure method and double detection method on the same equipment. Only one sample clamping can obtain different test data of sample isostatic method and differential pressure method, which is convenient for customers to choose different test methods, and avoids the influence of transfer of the same sample between different equipments on test results. , improve the accuracy of the test, and also greatly save the user's equipment procurement costs.

2,       Powerful and efficient. The device retains Labthink's unique "data fitting function" in the differential pressure test to analyze the barrier properties of the material at very warm temperatures. In the isostatic test, in addition to the diaphragm test, a hollow container test can also be performed. At the same time, the equipment adopts three-cavity design, which can simultaneously test six data of three samples by equal pressure method and differential pressure method, and has high efficiency.

3,       Labthink has always maintained the advantages of high precision, good repeatability, high automation and easy operation. The equipment selects imported excellent valves, fittings and sensing components to ensure the tightness and system sensitivity of the entire test system. In addition, the instrument also selects ergonomic imported operating parts, using a unique and unique sample clamping structure, making the clamping operation feel comfortable and convenient.

　　 The application of the dual-detection gas permeability detector in the industry is an important manifestation of the integration of China's testing instruments with the implementation of national standards and the achievement of national standards. As an international provider of testing instruments and testing services, Labthink has realized that all testing instruments are in line with international standards, providing conditions for enterprises, universities, scientific research institutions, statutory testing institutions and international industries to conduct testing, analysis and research exchanges. .

                  Jinan Languang Electromechanical Technology Co., Ltd.

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