During the Spring Festival holiday, GBPI's technical service team will remain online and provide you with technical services. If you encounter any problems, please contact us. We apologize for the inconvenience caused to our customers and partners! GBPI aims to help global customers have more advanced, more accurate and more stable testing technologies and solutions, and help customers control operating costs, improve product quality, and ensure that their packaging performance testing meets international and national standards! We always implement our global commitment and provide customers with advanced testing instruments, convenient procurement solutions and a full range of services with a series of innovative technology products.

Recently, GBPI Guangzhou Biaoji warmly welcomed a delegation from Guangzhou Vocational and Technical University of Science and Technology, including Dean Chen Hua and Dr. Wu Shibin, for a visit and exchange. GBPI Guangzhou Biaoji’s General Manager Zhou Xuehui and Consultant Professor Xiang Hong, along with other senior representatives, extended a warm reception to Dean Chen and his team. This visit not only enhanced mutual understanding and consensus in industry-university-research cooperation but also laid a solid foundation for deeper collaboration in the future.    △ Group photo of Dean Chen’s delegation and representatives of Guangzhou Biaoji   Accompanied by General Manager Zhou and Professor Xiang, the delegation toured our CNAS laboratory and permeability instrument laboratory. A particular highlight of the visit was GBPI Guangzhou Biaoji’s digital platform. As a key feature of the tour, the platform enables IoT connectivity for instruments, remote operation, and serves as an educational platform for students to learn instrument operation. Dean Chen and his team gained in-depth insights into our technology, instruments, and digital systems, expressing high appreciation for GBPI Guangzhou Biaoji’s achievements in packaging testing instruments and digital innovation. They also engaged in in-depth discussions with our technical staff.   Subsequently, under General Manager Zhou’s guidance, the delegation visited our Honor Wall. Our representatives introduced GBPI Guangzhou Biaoji’s CNAS laboratory accreditation, CMA certification for inspection and testing institutions, and its recognition as a National Specialized and New "Little Giant" Enterprise and a National Standard Material Development Unit. These accolades and distinctions exemplify the company’s long-term investment and outstanding achievements in technological research and development, product innovation, and standardization.   GBPI Guangzhou Biaoji has consistently strived to establish strong collaborative relationships with universities and research institutions. Over the past two decades, the company has maintained close exchanges and cooperation with renowned universities such as Tsinghua University, Peking University, Sun Yat-sen University, Jinan University, South China Agricultural University, Wuhan University, and Guangxi University.   During this visit, both parties engaged in lively discussions on further deepening university-enterprise cooperation. They recognized the immense potential of collaboration in industry-university-research initiatives and expressed a shared vision of leveraging resources, complementing strengths, and jointly driving progress and development in the industry.  

In the fast-evolving packaging industry, particularly for items like beverage labels, shrink wraps for bottles, sausage packaging, and even cigarette boxes, ensuring the optimal shrinkage performance of films is crucial. Films must shrink tightly around products to guarantee both protection and an appealing presentation. This is where precise and reliable film shrinkage testing comes into play. At the forefront of this testing technology is the GBK-D1 Film Shrinkage Performance Tester, designed by Guangzhou Biaoji Instrument. This advanced device provides manufacturers with the ability to accurately test and analyze various shrinkage parameters of packaging films. In this blog, we'll explore the importance of film shrinkage properties, how the GBK-D1 works, and why it’s an essential tool for today’s packaging industry. What Is Film Shrinkage Testing? Film shrinkage testing measures how a plastic film responds when exposed to heat. The process involves the material shrinking tightly around the product, creating a secure fit. This is essential in packaging industries where the film serves not only as a protective layer but also as an aesthetic feature. Films used for packaging are typically made from materials like polyethylene (PE), ethylene copolymers, and blends of these polymers. These materials are chosen for their excellent ability to shrink uniformly when heated. The testing process helps to ensure that the film performs consistently under various environmental conditions, which is key for the overall quality and functionality of the product packaging. Why Shrinkage Properties Matter Shrink films play a critical role in ensuring packaging integrity. Whether it's a beverage bottle label or a sausage wrap, the film must shrink to fit the contours of the product perfectly. If the film doesn't shrink properly, it can result in packaging defects such as wrinkles, loose wraps, or uneven seals. For example: Beverage Packaging: Shrink film ensures that labels conform to bottles without wrinkles, providing a sleek appearance. Food Packaging: Shrink films for sausages, for instance, need to form tightly around the product to preserve freshness and protect it from contaminants. Cosmetics and Pharmaceuticals: For sensitive products, shrink films must maintain a tight seal to protect the contents from damage or contamination. The GBK-D1: A Game-Changer in Film Shrinkage Testing Guangzhou Biaoji Instrument's GBK-D1 Film Shrinkage Performance Tester is a highly advanced tool that addresses the limitations of traditional testing methods, offering comprehensive insights into a film's shrinkage behavior. Here’s what sets it apart: Multi-Parameter Testing While traditional testing methods, like ovens or oil baths, typically measure only the shrinkage rate, the GBK-D1 takes a more detailed approach. It evaluates multiple parameters, such as: Shrinkage Force: Measures the force required for the film to shrink. Shrinkage Rate: Tracks how quickly...

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...