Packaging plastic films refer to films made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins for packaging, as well as for use as a laminating layer. The share of plastic packaging and plastic packaging products in the market is increasing, especially the composite plastic flexible packaging, has been widely used in food, medicine, chemical and other fields, among which the largest proportion of food packaging, such as beverage packaging, frozen food packaging, steamed food packaging, fast food packaging, etc. These products have brought great convenience to people's lives. In order to ensure the effectiveness of packaging products, it is required to have good barrier performance, which is measured by an important indicator is the water vapor transmission rate (amount). There are many testing standards on water vapor transmission rate (amount) at home and abroad, of which the following are the common testing standard methods. ISO 15106-2 - Plastics -- Film and sheeting -- Determination of water vapour transmission rate -- Part 2: Infrared detection sensor method ASTM F1249 - Standard Test Method for Water Vapor Transmission Rate Through Plastic Film and Sheeting Using a Modulated Infrared Sensor TAPPI T557 - Water vapor transmission rate through plastic films and sheeting using a modulated infrared sensor ISO 2528 - Sheet materials -- Determination of water vapour transmission rate -- Gravimetric (dish) method ASTM E96 - Standard Test Methods for Water Vapor Transmission of Materials ASTM D1653 - Standard Test Methods for Water Vapor Transmission of Organic Coating Films TAPPI T464 - Water Vapor Transmission Rate of Paper and Paperboard at High Temperature and Humidity ISO 15106-3 - Plastics -- Film and sheeting -- Determination of water vapour transmission rate -- Part 3: Electrolytic detection sensor method W900 Gravimetric Method Vapor Transmission Rate Tester 1.Analysis from the principle of the test method Visible film water vapor transmission rate (amount) detection methods are mainly divided into two categories, respectively, the gravimetric method and the sensor method. The gravimetric method (also known as cup method) is divided into two types of weight gain method and weight loss method, which detects the weight change of the moisture vapor transmission cup. Electrolysis analysis method and infrared detector method belongs to the sensor method, which, the principle of electrolysis method refers to the electrolysis of water vapor encountered electrodes for hydrogen and oxygen, through the electrolysis current to calculate a certain period of time through the unit area of the sample water vapor transmission rate (amount); infrared method is the principle of water vapor from the high humidity cavity through the sample penetration to the low humidity cavity, the electrical signal generated by the carrier gas transmitted to the infrared detector to calculate the water vapor permeation rate (amount). W203 ...

1, flexible packaging product market characteristics2, the type and form of flexible packaging structure3, the common testing methods and testing tools4, the shallow media volume control process of several methods5, the construction of the packaging laboratory points   1.flexible packaging products market characteristics 1.1, the development of flexible packaging is becoming more and more mature, rapid development, small-scale, many manufacturers, accounting for the proportion of national economic output value is rising.2.1, packaging to the development of specialization instead of scale development, aggregation about the development of higher costs, service industry characteristics: small orders, many varieties, short delivery period, suitable for specialization.3.1, the deep processing of agricultural and sideline products is a huge market, such as vegetables, fruit, grain, meat and poultry, eggs, in developed countries there are few farmers' markets. Farmers' markets are gradually replaced by supermarkets, and free market meat cases have evolved from frozen sales to the popular fresh sales. Fresh packaging presents a huge business opportunity for many packaging companies, which has achieved the blow molding market. In Japan today, cooking at home is a grand affair, mostly fast food, providing a market for many Chinese high-barrier film manufacturers. The accelerated pace of life, the traditional way of life is rapidly impacted, life towards convenience, clean food, fast food is the inevitable trend of development, all goods are quantitatively packaged, the development of China's packaging industry for tomorrow points the way, packaging will always be vigorous. 2.the type and form of flexible packaging structure     Today's world is short of natural resources, from the saving of resources and protection of the environment, high consumption of wood, iron, glass and other hard packaging is gradually replaced by flexible packaging, flexible packaging multi-layer composite structure and multi-layer co-extruded film provides a wide range of protective properties.   Structure Performance Application NYCON/TIE/PE High strength, better barrier properties Weight packaging, liquid packaging, electronic light industry product packaging PE/TIE/NYLON/TIE/PE High strength, better barrier properties Weight packaging, milk powder, electronic light industrial product packaging   PE/NYLON/PE/NYLON/PE/EVOH/PE High strength, high barrier Toothpaste tubes, preserved food, pharmaceutical packaging     The quality and technical requirements of different types of packaging films and morphological structures are very different, for example, the quality difference between cast film and blown film.    In blown film, the elongation rate is lower than that of cast film due to the process, and in blister packaging, there is a certain requirement for elongation rate, so cast film is usually used. We have customers in Zhongshan and...

On March 31, Xiong Xiaoming, President of Guangdong University of Technology, led a group of five key teachers from the College to visit Guangzhou BSI, and Zhou Xue Cheng, General Manager of the company and various technical backbones attended the exchange meeting. General Manager Zhou led President Xiong and his party to visit the CNAS laboratory , introduced the qualification capability and testing scope of CANS laboratory, and focused on the industrial digitalization construction results of the digital laboratory. Manager Huang introduced to President Xiong the development history, strategic direction and core advantages of Biaoji. The two sides then had an in-depth discussion and exchange on strengthening school-enterprise cooperation, mutual support, complementary advantages and resource sharing between schools and enterprises. President Xiong said at the meeting that the college and GBPI can start a comprehensive cooperation, hoping to take the opportunity of today's visit to establish a close contact with GBPI through the school-enterprise cooperation platform, so as to directly understand the development needs of enterprises on the one hand, and effectively improve the relevance and applicability of the college's personnel training on the other. GBPI has always been committed to promoting the win-win model of school-enterprise cooperation, deepening communication and cooperation with universities and research institutions, building bridges for talent mining and training, and concentrating efforts to promote the technical development of the industry. In the future, GBPI will continue to plow deeper and strive for innovation to lead the development of the industry.

On March 22, 2022, a group of leaders from Southern Metropolis Daily visited GBPI headquarters to conduct special research on "Specialized and New" enterprises, and was received by the management team, including General Manager Zhou Xuehui. It is reported that this series of research activities is to promote and appeal to the relevant departments to pay attention to the development problems of the specialized and small giant enterprises and remove obstacles for the development of the specialized and small giant enterprises. During the investigation and research, accompanied by our company's general manager Zhou, the crowd visited the production workshop of various instruments, CNAS laboratory and digital laboratory. During the seminar, Mr. Zhou expressed a warm welcome to the research and guidance team and introduced the development history of GBPI over the past 20 years, as well as its current strategic direction, core advantageous products and the newly launched digital laboratory business, and truthfully reported the challenges faced by the enterprise in the process of development, such as the overall situation and relevant initiatives in recruiting talents, retaining talents and using talents well. Afterwards, the guests and hosts exchanged the current development status of the packaging testing industry, analyzed the problems in the development of GBPI, and discussed the enterprise cases with reference significance. Finally, Mr. Zhou said that GBPI, as one of the first high-tech enterprises rooted in Huangpu Development Zone, has been continuously increasing its investment in technology research and development, striving for a new journey and building a new era, making the enterprise bigger and stronger while contributing its share of strength in environmental protection, food and pharmaceutical industries with more advanced testing technology.

On March 10, 2022, Shan Lipo, director of the Small and Medium Enterprise Development Promotion Center of the Ministry of Industry and Information Technology, led the team, Zhao Yi, deputy director of the Industry Promotion Center (Guangzhou) of the Small and Medium Enterprise Development Promotion Center of the Ministry of Industry and Information Technology, Cheng Yougen, deputy director of the Guangdong Provincial Bureau of Small and Medium Enterprises, Guangzhou Industry and Information Technology Co., Ltd. Ye Huadong, Director of the Small and Medium Enterprise Bureau of the Information Technology Bureau, Guo Xiong, Director of the Private Economy Division of the Guangzhou Bureau of Industry and Information Technology, Director of the Small and Medium Enterprise Department of the Guangzhou Bureau of Industry and Information Technology, Yi Huaiyu, Deputy Director of the Huangpu District Bureau of Industry and Information Technology, Huangpu Tan Jianwei, Director of the Small and Medium Enterprise Department of the District Bureau of Industry and Information Technology, and other leaders visited Guangzhou Biaoji Packaging Equipment Co., Ltd., Zhou Xuecheng, Chairman of GBPI, Zhou Xuehui, General Manager of GBPI, and company executives warmly welcomed and accompanied them throughout the process. Shan director and his party first came to the laboratory and production workshop of barrier performance testing instruments on the second floor, visited the production workshop and laboratory of water vapor transmission rate tester, gas transmission rate tester and oxygen transmission rate tester, and observed the live demonstration of IOT interoperability of products, which were highly evaluated by leaders at all levels. After that, the delegation visited the production workshop and digital laboratory of basic instruments. They learned about the components of the digital laboratory system in detail, including: connection to ERP system, automatic generation and printing of QR code based on sample information, one-click entry of sample information by scanning QR code with a code gun, automatic collection of test data, support for data screening of the same batch number, one-click generation of test reports, laboratory management functions, remote expansion support, etc. During the seminar, Mr. Zhou reported the development history of GBPI, the advantages of its products and the difficulties faced by the company at present, and the experts and leaders spoke highly of the achievements of GBPI in the industry and its digital product innovation. On the spot, he suggested GBPI to declare the qualification of National Key Specialized and New Enterprise and provided the way to declare the qualification. Director Shan pointed out that the benign development of enterprises must establish good school-enterprise cooperation, formulate a talent training plan suitable for the development of enterprises, solve the problem of supplying talents for enterprises, and...