The Application of Water Vapor Permeability Analyzer (WVPA) and Water Vapor Transmission Rate (WVTR) in the Rubber Industry Introduction In the rubber industry, quality control and product performance are paramount. Rubber materials are used in various sectors like automotive, construction, and healthcare, where durability and environmental resistance are crucial. A key property affecting rubber’s performance is its Water Vapor Transmission Rate (WVTR)—the rate at which water vapor permeates through a material. Measuring WVTR helps manufacturers understand how well rubber materials resist moisture. To achieve this, the Water Vapor Permeability Analyzer (WVPA) becomes an essential tool. This article explores the significance of WVTR, the role of WVPA, and how these measurements benefit the rubber industry. Understanding Water Vapor Transmission Rate (WVTR) in Rubber WVTR is a measure of how much water vapor can pass through a material over a specific period. Rubber materials, though generally resistant to water vapor, have varying permeability rates based on their composition and intended use. For instance, tires, seals, and medical devices often require low WVTR to enhance durability and prevent degradation in moist environments. A high WVTR in rubber can lead to accelerated material degradation, especially in humid conditions. This can result in issues like cracking, hardening, or loss of elasticity, which compromise the material’s functionality. Therefore, understanding and controlling WVTR in rubber is essential for ensuring product longevity and reliability. The Role of Water Vapor Permeability Analyzer (WVPA) in Measuring WVTR A WVPA is a specialized instrument designed to accurately measure the WVTR of various materials, including rubber. In the rubber industry, WVPA is used to: Optimize Material Composition: By measuring the WVTR, manufacturers can modify rubber formulations to achieve desired levels of moisture resistance. For example, adding fillers like carbon black can decrease WVTR, making the material more resistant to moisture. The WVPA provides precise data on WVTR, helping manufacturers create materials tailored for specific applications. Quality Control: Regular WVTR testing ensures consistency across production batches. For industries where rubber products must meet stringent performance criteria—like automotive or medical sectors—consistent WVTR is critical. WVPA helps verify that all rubber products maintain the required WVTR values, ensuring high-quality output. Predict Product Lifespan: Understanding WVTR in rubber allows manufacturers to estimate how long a product will last under certain environmental conditions. A low WVTR is often associated with longer product lifespan, as reduced moisture absorption prevents early material degradation. Research and Development: In R&D, WVPA is essential for developing rubber materials with specific WVTR values. By experimenting with different additives...

Keywords: plastic film testing, tensile tester, quality control, mechanical performance testing, single-column electronic tensile tester In today's manufacturing industry, product quality control is of paramount importance. Whether it's plastic films, food packaging, or pharmaceutical packaging, strict quality standards are essential to ensure product safety and reliability. In this context, the GBL-L2 Plastic Film Tensile Tester, as a multifunctional quality inspection device, is gaining favor among numerous manufacturers and research institutions. The Versatility of GBL-L2 The GBL-L2 is a popular single-column electronic tensile tester with impressive versatility. This device can perform not only routine tensile tests but also peeling, heat-sealing, and tearing tests, among various other mechanical performance tests. This multifunctionality makes the GBL-L2 an ideal choice for testing a wide range of metallic and non-metallic materials. Compliance with National Standards A notable advantage is that the GBL-L2 fully meets the requirements of national technical supervision departments for testing technology. This means that test results obtained using the GBL-L2 are authoritative and credible, providing a solid foundation for product quality control. Wide Range of Applications The GBL-L2 has an extremely broad range of applications, including but not limited to: Plastic Film Manufacturing: Testing the tensile strength and extensibility of films. Food Packaging: Ensuring the sealing integrity and durability of packaging materials. Pharmaceutical Industry: Testing the integrity and safety of drug packaging. Quality Control Departments: Conducting routine product quality inspections. Research Institutions: For experiments in materials science and engineering. University Teaching: As an important tool for experimental education. Technical Advantages As a modern testing device, the GBL-L2 has several technical advantages: Precision: Advanced electronic measurement technology ensures high accuracy of test results. Reliability: Stable performance guarantees consistency and reproducibility of tests. Ease of Use: User-friendly interface design makes operation simple and intuitive. Data Processing: Built-in data analysis functions for rapid generation of test reports. Contribution to Quality Control The GBL-L2 plays a crucial role in product development and production processes: Raw Material Inspection: Ensuring raw materials meet specification requirements. Production Process Control: Real-time monitoring of material performance during production. Finished Product Quality Assurance: Final quality verification of finished products. R&D Support: Providing necessary performance data for new product development. Future Outlook As manufacturing industry requirements for quality control continue to rise, high-performance testing equipment like the GBL-L2 will play an increasingly important role. We can anticipate future development trends may include: Highe...

On the afternoon of August 15, 2024, Dean Huang Shiqing of the School of Packaging Engineering at Jinan University, along with Party Secretary Xiong Yuanyuan, Vice Dean Ma Da, Dean's Assistant Xu Xiaowen, and Office Director Zhang Chong, visited GBPI for a tour and exchange. They were warmly received by GBPI's General Manager Zhou Xuehui, Advisor Professor Xiang Hong, and other senior representatives. Accompanied by GM Zhou and Professor Xiang, Dean Huang and the delegation toured GBPI's CNAS laboratory, tri-gas instrument production workshop, and debugging laboratory. GBPI possesses CNAS laboratory and inspection and testing institution (CMA) qualifications, and is recognized as a national "specialized, refined, distinctive and innovative" small giant enterprise and a national standard material development unit. The delegation then visited the comprehensive application scenario exhibition hall, where GM Zhou introduced GBPI's solutions in food and pharmaceutical, new energy, packaging industry, paper and glass, and environmental testing fields. Through the tour, Dean Huang and his team gained an in-depth understanding of GBPI's research capabilities and innovative achievements, and positively affirmed the company's development philosophy and achievements. During the symposium, GM Zhou warmly welcomed the delegation from Jinan University. He detailed GBPI's development and core advantages, and shared the company's talent cultivation philosophy and advanced models. He stated that GBPI always considers university-enterprise cooperation as a crucial development strategy and hopes to collaborate with Jinan University's School of Packaging Engineering to research talent cultivation models for the packaging industry, provide a broader practical platform for Jinan University's faculty and students, and jointly promote high-quality development in the packaging industry. In the exchange discussion, Dean Huang Shiqing elaborated on the faculty strength, talent cultivation model, advanced research achievements, and future development plans of the School of Packaging Engineering at Jinan University. He expressed willingness to work with GBPI to strengthen communication and deepen bilateral cooperation, aiming to cultivate high-quality comprehensive talents for the packaging industry by combining scientific research innovation with industry practice. Subsequently, both parties engaged in enthusiastic discussions on industry development trends, university-enterprise cooperation, and off-campus practical training. During the meeting, both parties signed a strategic cooperation agreement on-site. Dean Huang personally presented GM Zhou with an honorary certificate as an off-campus mentor for Jinan University's School of Packaging Engineering, symbolizing closer ties between the two parties in industry-academia-research cooperation. This gesture not only recognizes Guangzhou Biaoji's research achievements in the packaging field but also highly affirms GM Zhou's p...

Y310 2.0 Oxygen Transmission Rate Tester Precautions The laboratory temperature affects the experimental results and should be controlled at (23±2)℃. Only one person should be allowed to conduct experiments in every 20㎡ laboratory. Too many people will cause the laboratory temperature to rise, which will affect the experimental data. At the same time, the temperature control and experimental process should not be frequently entered and exited to reduce the impact of changes in the test environment on the experimental data.The sample should not have creases, pinholes, or gaps.It is forbidden to wipe the instrument housing with alcohol cleaners (such as isopropyl alcohol, anhydrous alcohol, alcohol), otherwise it will cause the housing to crack or scratch.It is recommended to clean the sealing grease remaining in the cavity before loading the sample, and then apply a layer of sealing grease to ensure that there is no leakage.   Maintenance The voltage of the power supply during operation must meet the value allowed by the equipment, otherwise a voltage regulator greater than 1/3 of the actual power should be set. The current allowable value of the power supply line should be greater than 1/3 of the actual current.The instrument must be well grounded when installed.Keep the instrument test environment temperature at 23℃±2℃ and the humidity at 50±10%.The instrument must be installed on a horizontal, solid, stable, and vibration-free table. There is no airflow interference and no strong electromagnetic interference.99.999% high-purity nitrogen must be used for experiments, otherwise the sensor will be damaged.When the gas interface on the back of the instrument is empty, it must be sealed with a blind plug, otherwise it will affect the performance of the gas filter.The cavity seal will age after long-term use and affect the sealing effect, and must be replaced in time.After each experiment, you need to wipe the cavity with pure cotton paper or a clean rag to avoid dirt.When the instrument is not in use, keep it clean and dry and cut off the power supply.If the instrument is not used for a long time, it is recommended to rinse it once a week for 8 hours, and place an aluminum film before rinsing.When cleaning the instrument on a daily basis, it is recommended to use a soft cloth dipped in water or a mild detergent to clean the outside of the instrument regularly. Do not allow dust to enter the test chamber, otherwise it may damage the internal circuit or sensor of the instrument, resulting in unstable readings or no readings.

From June 14 to June 16, 2024, the 2024 China Packaging Industry-University-Research Collaborative Innovation Conference with the theme of "Promoting Collaborative Innovation of Packaging Industry-University-Research and Accelerating Green and Low-carbon Transformation and Development" was successfully held in Hangzhou. The conference conducted extensive and in-depth exchanges and discussions on the latest research results and industry trends in packaging and related fields. GBPI was very honored to be invited to participate. Mr. Zhou, the general manager of the company, took the stage to introduce the factors affecting beverage preservation and the barrier performance test methods to the participants with the theme of "The Impact of Barrier Performance of Beverage Packaging on Freshness". At the same time, he shared the latest results of our company's many major innovative products and transmittance testing technology.   Also invited to participate were a large number of well-known domestic companies such as Wahaha, JD.com, SF Express, Mengniu, Yili, Plus, Wuliangye, and Haishun Group. They discussed with GBPI on packaging innovation testing, cutting-edge technology methods, etc., and worked together to promote the high-quality development of the packaging industry.   Mr. Zhou also introduced GBPI's test cases, such as high barrier composite film pressure differential oxygen permeability test, bottle carbon dioxide permeability test, aluminum plastic film oxygen permeability test (thickness 0.1mm) and coffee capsule oxygen permeability test solutions. With professional knowledge, rich test cases, and a large number of customer testimonials, GBPI won high attention and enthusiastic response. GBPI is also the first unit in the Asia-Pacific region to develop standard materials for film air permeability, oxygen permeability, and moisture permeability. It can provide production and services for national standard materials for film barrier properties.   Speech Scene With cutting-edge technology, outstanding testing expertise, and our collaborative and dynamic team, GBPI is committed to working with leading partners in various industries. Together, we are committed to developing and launching more accurate and efficient testing instruments, aiming to provide global users with excellent solutions to meet their needs and promote industry progress.