On February 28th, Prof. Xiao Xing from Tsinghua University visited GBPI Guangzhou for a visit, exchange and lecture, and was warmly received by GBPI Chairman Zhou Xue Cheng and Sales Director Yang Vivi from Foreign Trade Department 1. GBPI Chairman Zhou Xuesheng led Professor Xiao to visit the barrier performance testing instrument laboratory, basic instrument production workshop, digital laboratory, application scenario comprehensive exhibition hall and other venues. At the site, Chairman Zhou Xue Cheng explained the various series of instruments of Biaoji, a piece of instrument in which cohesion of technology and innovation, showing the advanced packaging material testing technology. Afterwards, Prof. Xiao gave a speech on "Building a Moat with Technology and Operating a Business with Financial Thinking" at the conference. The atmosphere was warm and the applause was incessant, and this speech benefited GBPI employees greatly. As an expert professor with high reputation in academic field and corporate governance field, Prof. Xiao Xing has brought GBPI cutting-edge information on corporate management and innovative development ideas, which has broadened the way forward for GBPI. GBPI, with the attitude of continuous learning and progress, will forge ahead and gather solid strength from all walks of life to make packaging better!

Abstract: Water vapor transmission rate is an important performance index to characterize the solar backsheet's barrier performance to external water vapor (moisture), which directly affects the working condition and service life of solar cells. This paper uses the W413 2.0 infrared water vapor transmission rate tester developed by Guangzhou Biaoji Packaging Equipment Co., Ltd. to test the water vapor transmission rate of solar backsheet samples, and introduces the test standard, test process and test results for reference of major enterprises in selecting water vapor barrier testing equipment and test methods. In the field of solar photovoltaic power generation, solar backsheets play an important role. Usually, the solar backsheet is located at the outermost layer of the solar cell module's backside, thus playing a protective and supporting role for the solar cell module. The backsheet should have reliable electrical insulation, water vapor barrier, aging resistance, mechanical strength and toughness to keep the solar cell in the best working condition and maintain a service life of 25 years. Water vapor barrier performance is one of the important indicators to measure the performance of solar backsheet. If the solar backsheet has poor water vapor barrier performance, water vapor penetrating into the encapsulation system through the backsheet will affect the EVA bonding of the encapsulation film, causing the backsheet and the encapsulation film EVA to delaminate, causing the cell to be oxidized and thus seriously reducing the cell power generation efficiency and the service life of the module. As the solar cell set is placed outdoors for a long time, the humidity is greater on rainy days and water vapor has a greater impact on the solar PV module. Therefore, it is very important to conduct water vapor transmission rate test on solar backsheet to evaluate its water vapor barrier performance. 01 Testing standards The equipment used in this test is the W413 2.0 infrared method water vapor transmission rate tester developed by GBPI. The equipment is equipped with self-developed high-precision infrared moisture sensor, with ultra-high stability and ultra-low failure rate, wide range, high sensitivity, resolution up to 0.0001 g/(m2-24h); using semiconductor refrigeration chip two-way automatic temperature control technology, temperature control accuracy of 0.1 ℃; using dual airflow humidity method to control humidity, humidity stability, humidity accurate to ± 2% RH. Meanwhile, the instrument is equipped with 3 chambers, independent data, can meet the high throughput testing needs, high testing efficiency. This testing equipment conforms to many domestic and international standards such as GB/T 26253, YBB 00092003, ASTM F1249, BS EN ISO 15106-2, JIS K7129, etc. Testing principle: W413 2.0 water vapor transmission rate tester adopts the principle of infrared method. The pre-treated specimen is fixed in the middle of the test chamber, and the test chamb...

Standard test method for water vapor transmission rate of plastic films and sheets using modulated infrared sensors The purpose of this test method is to obtain reliable values of WVTR for plastic films and sheets. WVTR is an important characteristic of packaging materials that is directly related to shelf life and stability of the packaged product. The data from this test method is suitable as a reference test method if the buyer and seller agree on sampling procedures, standardization procedures, test conditions and acceptance criteria. 1.1 This test method covers the procedures for determining the rate of water vapor passage through flexible barrier materials. The method applies to sheets and films up to 3 mm (0.1 in.) thick, consisting of single or multiple layers of synthetic or natural polymers and foils, including coated materials. It provides for the determination of ( 1 ) water vapor transmission rate (WVTR), ( 2 ) film permeability to water vapor, and ( 3 ) water vapor permeability coefficient for homogeneous materials. Note 1 - Water vapor permeability and water vapor permeability values must be used with caution. the inverse relationship between WVTR and thickness and the direct relationship between WVTR and water vapor partial pressure difference may not always be applicable. 1.2 This standard is not intended to address all safety issues, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory restrictions prior to use. GBPI's  Moisture Vapor Transmission Analyzer is used to test the water vapor transmission rate (WVTR) of films or sheet materials. It is suitable for testing the water vapor transmission performance of films, sheets, papers, packaging parts and many other materials in the fields of food, pharmaceuticals, medical devices, daily chemicals, photovoltaic electronics, etc. It is an ideal configuration instrument for off-line or on-line testing of the barrier performance of packaging materials by the majority of production units in the packaging industry. Testing principle W413 2.0 water vapor transmission rate tester adopts the principle of infrared method. The pre-treated specimen is fixed in the middle of the test chamber, and the test chamber is divided into high humidity side and low humidity side, compressed air flows on one side of the film, dry nitrogen (carrier gas) flows at a fixed speed on the other side, due to the existence of humidity gradient, water vapor will penetrate from the high humidity side to the low humidity side, the water vapor through the specimen is carried to the infrared sensor by the flow of dry nitrogen, and the water vapor transmission rate of the specimen is obtained by the electrical signal output from the sensor. Water vapor transmission rate of the specimen and other parameters. GBPI specializes in the production of package testing instruments, with many ...

In the production process of rubber, plastic and other products, in order to prolong the service life of the product and have good anti-oxidation, smoothness, flexibility and other properties, antioxidants, anti-blocking agents, plasticizers and other additives are often mixed. In addition to this, it is difficult to completely react the individual monomers used to prepare the product. Experiments have shown that these additives and residual monomers will slowly migrate outward in rubber, plastic and other products. When rubber and plastic products are in direct contact with food and medicine in packaging or other forms, these substances are likely to migrate. In food and medicine, food safety incidents such as "liquor plasticizer incident" and "toxic plastic wrap incident" are all related to the migration of harmful substances in packaging. Monitoring of Migratory Substances in Articles. Pacifiers are mostly used by infants and are in direct contact with the milk powder and oral cavity. The functional development of various organs of infants is not perfect. There are more migratory substances in the pacifier, which is more harmful to the baby. The total amount of control to ensure the safety of infant food intake. Each country has national standards, such as Thailand Thailand mandates TIS 1025-2562 (2019) as a new standard for pacifiers. This will take effect on December 13, 2021. On June 16, 2021, the Ministry of Industry of Thailand published a regulation in the Government Gazette requiring TIS 1025-2562 (2019) as a standard for pacifiers (the regulation). This industry standard is mainly based on EN 1400:2013+A1:2014 and contains requirements related to the materials, construction, performance, packaging and product information of such products. It is built with reference to information from the manufacturer, the user and the following documents: EN 1400:2013+A1:2014 "Children's use and care articles - Pacifiers for infants and young children - Safety requirements and test methods" EN 71-3:2013+A2:2017 'Safety of toys - Part 3 "Migration of certain elements" EN 12868:2017 'Children's use and care articles - Method for determination of the release of N-nitrosamines and N-nitroso substances from elastomer or rubber teats and pacifiers DIN 53160-1:2010 "Determination of colour fastness of commonly used articles - Part 1: Artificial saliva test" ISO 105-A03:1993 'Textiles - Tests for colour fastness - Part A03: Grey scales for assessing dyeing' Ministry of Health Circular (No. 369) BE 2558 (2015) Re: Bottles and Containers for Infants and Young Children. TIS 1025-2562 (2019) also requires certain nipple materials/components to comply with certain chemicals/tests involving: Migration of 17 elements Release of N-nitrosamines and N-nitroso species 2-mercaptobenzothiazole release Antioxidant release formaldehyde release Bisphenol A (BPA) release Color fastness Volatile compound content Test methods and instruments The AUTO ZF3600 total migration and ...

I. Overview A packaging system is the sum of all packaging components that contain and protect a pharmaceutical product, including packaging components that come into direct contact with the drug and secondary packaging components. This technical guide is mainly applicable to the packaging system of chemical injection. The packaging system for injectables should be able to maintain the integrity of the product contents while preventing microbial invasion. Package integrity, also known as container-closure integrity, refers to the ability of the packaging system to prevent the loss of contents, microbial invasion, and the entry of gases (oxygen, air, water vapor, etc.) or other substances to ensure that the drug continues to meet safety and quality requirements. package integrity test , or container-closure integrity test, CCIT, is a package leak test (including physicochemical or microbiological testing methods) that detects any rupture or seam, some of which can determine the size and/or location of the leak. This technical guide is drafted with reference to relevant domestic and international technical guidelines and standards, focusing on the selection and validation of sealing inspection methods for injectable packaging systems, with the aim of facilitating the research and evaluation of chemical injectables at this stage. The drafting of this technical guide is based on the current knowledge of the issue, and will be revised and improved with the continuous improvement of relevant regulations and the improvement of technical requirements of drug research. II. General considerations The main types of leaks in injection packaging systems include: 1) microbial intrusion; 2) drug escape or external liquid/solid intrusion; and 3) change in headspace volume content, e.g., headspace inert gas loss, vacuum disruption, and/or external gas entry. The sealing quality requirements of the injection packaging system can be divided into: 1) the need to maintain sterility and product component content, without maintaining the headspace volume; 2) the need to maintain sterility, product component content and headspace volume; 3) the requirement to maintain sterility of multi-dose packaging, that is, after the package is opened, to prevent microbial invasion and leakage of drugs during use. Research related to the sealing of the injection packaging system should be carried out according to the product characteristics. Injectable packaging system sealability meets the requirements, which usually means that the packaging system has passed or can pass the microbial challenge test. A broad sense means that there are no leaks that would affect the quality of the drug product. Based on scientific studies and risk assessment, the maximum allowable leakage limits should be determined taking into account the packaging composition and assembly, the product contents, and the environment to which the product may be exposed during its life cycle. A packaging system is con...