Jiangsu Minfluo New Material Technology Co., Ltd. specializes in the research, development, manufacturing, and sales of fluoropolymer extruded tubing, with a strong focus on the medical catheter industry. Backed by Mingke Group and supported by a professional technical team, the company is committed to providing one-stop medical catheter solutions for medical device manufacturers worldwide. Equipped with a comprehensive mold workshop, physical, chemical, and biological laboratories, as well as advanced international extrusion and testing equipment, the company ensures product safety, reliability, and consistency through a complete quality management system certified to ISO 9001 and ISO 13485 standards. Driven by technological innovation and stringent quality control, Jiangsu Minfluo is dedicated to advancing medical device development and strives to become a trusted global supplier of fluoropolymer medical tubing solutions, helping safeguard human health through high-quality medical materials.
25 years in fluoroplastics: integrated R&D, production and sales, empowering global customized precision manufacturing for medical devices
Our fluoropolymer extrusion specialists bring over 25 years of experience and deep knowledge of medical device regulations.
We maintain extensive knowledge in raw materials and operate dedicated laboratories for product development.
Our sales teams in China, Thailand and Europe provide worldwide coverage and responsive customer support.
At a temperature of 200℃, what are the fundamental differences between FEP heat shrink tubing and PTFE heat shrink tubing? In the fields of electronics and electrical engineering, chemical engineering, and healthcare, FEP heat shrink tubing and FEP heat shrink tubing are both common high-performance protective materials. Both possess characteristics such as high temperature resistance, corrosion resistance, and high insulation. However, their performance varies significantly in an environment of 200℃. Many purchasers often struggle when choosing the type: should they opt for FEP or PTFE? Below, we will help you compare them from two key aspects. Thermal resistance and stability at high temperatures Both can be used for a long time at high temperatures, but the specific temperature range and their performance under high temperatures are different. Long-term usage temperature limit: The long-term usage temperature of FEP heat shrink tubing is typically between -80℃ and +200℃. The long-term usage temperature limit of PTFE heat shrink tubing can reach +260℃. If your application environment is constantly close to or exceeds 200℃, PTFE is a more reliable choice. However, if the working temperature is 200℃ or below, FEP is fully capable of handling the task. Dimensional stability at high temperatures: The thermal expansion coefficient of PTFE is relatively large at high temperatures. When heated and contracting, a higher temperature is required, and the dimensional stability after contraction is better. The FEP heat shrink tube, due to its lower melting temperature of the material itself, needs to be confirmed whether the wall thickness and fit after heat shrinking meet the requirements for long-term insulation or sealing when used at 200℃ for a long time. Jiangsu Mingfu has been deeply engaged in the field of fluorine material extrusion tubes. The team has over 25 years of extrusion experience and can recommend suitable material solutions based on your actual working conditions. Cost-benefit consideration: The price of FEP heat shrink tubing is usually lower than that of PTFE heat shrink tubing. If 200℃ is already your maximum usage temperature limit, FEP is a more cost-effective choice; if there is temperature fluctuation in the application or if long-term tolerance to an environment close to 250℃ is required, PTFE has a greater temperature tolerance margin. II. Transparency and Appearance Inspection One notable advantage of FEP heat shrink tubing is its native transparency, while PTFE heat shrink tubing is usually semi-transparent or white opaque. The transparency advantage of FEP: The most obvious feature of FEP heat shrink tubing is its inherent transparent texture. There is no need for additional coloring to directly observe the internal components and pipeline conditions. This means that during electrical maintenance and medical pipeline inspections, one can directly see whether the covered objects are corroded, damaged, or displaced, making it easier to detect problems at an early stage. PTFE heat shrink tubing, due to its semi-transparent or opaque properties, cannot achieve this function. Application scenario differences: For situations where regular visual inspection of the internal condition is required (such as in electronic wiring harnesses and precision sensor protection), the transparent characteristic of FEP heat shrink tubing is an added advantage. For scenarios where only simple protection is needed and no internal observation is required (such as in chemical pipeline joint seals), PTFE heat shrink tubing can also handle the job. Summary and Selection Suggestions When purchasing heat shrink tubing, it is recommended to make the selection based on the following principles: Check the temperature limit: For long-term use, the temperature should be below 200℃. The FEP heat shrink tubing is sufficient and offers better cost-effectiveness; if the temperature frequently approaches 250℃ or higher, PTFE heat shrink tubing should be chosen. Check if transparency is required: If a visual inspection of the internal condition is necessary, the transparent property of the FEP heat shrink tubing cannot be replaced; if only sealing or insulation protection is needed, PTFE is equally reliable. Choose based on the contraction ratio rather than the demand: Both can offer different contraction ratios (such as 2:1, 4:1). The choice can be made according to the outer diameter of the covered object and the final fitting requirements. Jiangsu Minfluo New Material Technology Co., Ltd. specializes in the field of fluorine material extrusion tubes. It has obtained ISO9001 and ISO13485 certifications for medical device quality management systems. The company offers FEP heat shrink tubes, FEP fluid tubes, PTFE multi-chamber tubes, and Pebax tubes, among others. It can recommend material options based on the working conditions. Please feel free to communicate your specific requirements and request sample tests. Official website: http://www.minfluo.com
↗ 2026/6/18How to choose a Pebax tube? Not only should you consider the material, but also these several "invisible" processes. Pebax tubes (polyether block amide tubes) are widely used in high-end medical fields such as cardiovascular intervention, endoscopy, and minimally invasive surgical instruments due to their excellent flexibility, fatigue resistance, and biocompatibility. When purchasing, what you care about is not only the material and size of the tubes, but also their stability between batches, the imaging effect, and their performance in actual instrument assembly. Below, from the production perspective, we will introduce how we control these aspects. Precision Extrusion and Dimension Control The performance of the Pebax tube primarily depends on the stability and accuracy of the extrusion process. Wall thickness uniformity: Pebax tubes are commonly used in interventional devices. The tube walls are extremely thin (sometimes only 0.1-0.2mm), and the uniformity of the wall thickness directly affects the compressive strength and bending performance. We continuously monitor the outer diameter and wall thickness through a high-precision extrusion production line and an online diameter measurement system to ensure that the dimensions are within the set tolerance range. The smaller the size fluctuations in different sections of the same batch, the better the compatibility during the assembly of the devices. Internal surface finish: For the Pebax tubes used for delivering drugs or guiding wires, the inner wall must be smooth to reduce friction and the risk of thrombus formation. We optimize the extrusion molds and processing temperatures to minimize melt fractures and surface defects. Endoscopy inspection is a routine quality check for each batch of tubes. Material batch traceability: The hardness of different grades of Pebax materials (such as Pebax 33 series, 55 series, 72 series) varies significantly, and they are suitable for the flexibility and support requirements of different devices. We record the grade and batch number of each incoming material, and conduct random inspections of the melt index to ensure material consistency. II. Sensitivity and Post-Processing Techniques The interventional catheter usually needs to be visible under X-ray, which is typically achieved by embedding a contrast layer in the catheter wall or by adding a contrast agent. Development layer processing: The processing accuracy of the development layer (such as platinum-iridium alloy rings, barium sulfate filling layers) and its adhesion to the Pebax substrate directly affect the clarity of development and long-term reliability. We ensure the accuracy of the development layer position, uniform thickness, and no layering through co-extrusion or secondary coating processes. Post-processing and sterilization compatibility: The Pebax tubes may require heat treatment (such as shaping, annealing) to eliminate internal stresses, stabilize dimensions, or surface coating treatment (such as hydrophilic coating) to enhance lubricity. We will assess the compatibility of the tube materials based on the usage environment and sterilization method of the customer's devices (such as ethylene oxide sterilization, irradiation sterilization), and provide corresponding processing solutions or suggestions. Performance verification: Before each batch of pipes is shipped, we will randomly sample them in proportion and conduct bending fatigue tests, burst pressure tests, and evaluation of the imaging effect under actual usage scenarios to ensure that the performance meets expectations. Summary and Selection Suggestions When purchasing Pebax tubes, the following steps are recommended for confirmation: Clarify the usage and performance requirements of the equipment: What level of bending resistance is needed? Is development required? Is a hydrophilic coating necessary? What type of sterilization method is expected to be used? Confirm dimensions and tolerances: Provide the target values for the outer diameter, inner diameter, and effective length, as well as the acceptable tolerance range. Sample testing: Conduct actual assembly tests on your equipment assembly line to evaluate size compatibility, flexibility, and anti-knotting properties, and simulate clinical usage environments to verify performance. Jiangsu Minfluo New Material Technology Co., Ltd. has been deeply engaged in the field of fluorine materials and high-performance medical tubing extrusion. It has obtained ISO9001 and ISO13485 certifications for medical device quality management systems, and provides precision tubing made of materials such as FEP, PTFE, and Pebax. We welcome communication regarding specific requirements and sample testing. Official website: http://www.minfluo.com Su Sidedong0510-818148680515-827269990515-8259666 Email:Alan.su@minfluo.comAddress:No. 30, Chunhui Road, Hedie Town, Shaoyang County, Jiangsu Province
↗ 2026/6/18The FEP heat shrink tubing doesn't shrink properly, and the equipment protection is all in vain - these three aspects must be closely monitored. The FEP heat shrink tubing (polyperfluorobutylene heat shrink sleeve) features high resistance to high and low temperatures, corrosion resistance, excellent insulation properties, and a non-sticky surface. It is widely used in electronic and electrical insulation, wire harness protection, chemical sealing, medical devices, and other fields. As a purchaser, what you care about is not only whether the heat shrink tubing can "shrink", but also its uniformity of shrinkage, material consistency, and long-term reliability. Below, from the production perspective, we will introduce how we control these aspects. Precision Extrusion and Irradiation Crosslinking The quality of FEP heat shrink tubing primarily depends on the precision of the extrusion process and the uniformity of the irradiation cross-linking. Wall thickness and outer diameter accuracy: The initial wall thickness and outer diameter uniformity of the heat shrink tube directly affect the adhesion and insulation effect after shrinking. We continuously monitor the dimensions of the pipe using high-precision extrusion equipment and an online diameter measurement system to ensure that the outer diameters and wall thicknesses of the same batch and different sections are within the set tolerance range. The smaller the size fluctuation, the more consistent the tightness of the wrapping after shrinking. Irradiation cross-linking control: The FEP heat shrink tubing needs to undergo irradiation cross-linking to achieve the "shape memory" effect. The uniformity of the irradiation dose is crucial - insufficient dose will result in insufficient contraction, while excessive dose may make the tubing brittle. We ensure the stability of the contraction performance of each batch of products by controlling the irradiation process parameters and conducting regular inspections of the cross-linking degree. Material purity and batch traceability: The purity of FEP material directly affects the electrical performance and corrosion resistance of the heat shrinkable tube. For each batch of incoming materials, we record the brand and batch number, and conduct random inspections on the melt index and impurity content to ensure material consistency from the source. II. Verification of Shrinkage Performance and Reliability The core function of the FEP heat shrink tubing is to uniformly contract and tightly adhere to the covered object when heated. The stable realization of this performance relies on strict factory tests. Shrinkage rate and uniformity test: Before each batch of products is shipped, a sample will be randomly selected for free shrinkage and directional shrinkage tests. We check whether the axial and radial shrinkage rates of the pipe materials within the specified temperature range are within the promised limits, and observe whether the surface is smooth, and if there are any cracks or wrinkles after shrinkage. The degree of wall thickness increase after shrinkage is also an important parameter for measuring product quality. Electrical and withstand voltage test: For the FEP heat shrink tubing used for insulation protection, we will conduct dielectric strength tests to verify its insulation reliability under the rated voltage, ensuring no breakdown and no leakage. Temperature resistance and aging verification: Through high-temperature aging tests and low-temperature impact tests, the performance of the pipe material under extreme temperatures is simulated to ensure that its physical and electrical properties remain stable throughout its service life. Summary and Selection Suggestions When purchasing FEP heat shrink tubing, it is recommended to follow the steps below for confirmation: Clarify the application scenarios and performance requirements: Is it for insulation protection, chemical sealing or wire harness protection? Does it need to be transparent for observing the internal conditions? What is the expected temperature range of use and what are the contact media? Confirm dimensions and shrinkage ratio: Provide the outer diameter and length of the covered object, as well as the target shrinkage ratio (such as 2:1, 4:1), to ensure the matching of the appropriate specifications. Sample verification: Conduct shrinkage tests under actual heating conditions to check whether the fit, surface quality and electrical performance meet the standards. Jiangsu Minfluo New Material Technology Co., Ltd specializes in the field of fluorine material extrusion tubes. It has obtained ISO9001 and ISO13485 certifications for medical device quality management systems. The company offers precision tubes such as FEP heat shrink tubes, FEP fluid tubes, PTFE multi-chamber tubes, and Pebax tubes. Please feel free to communicate your specific requirements and request sample tests. Official website: http://www.minfluo.com Su Sidedong0510-818148680515-827269990515-8259666 Email:Alan.su@minfluo.comAddress:No. 30, Chunhui Road, Hedie Town, Shaoyang County, Jiangsu Province
↗ 2026/6/12PTFE multi-chamber tube: A comprehensive introduction to high-performance and multi-functional precision tubing technology The PTFE multi-chamber tube is a precision pipe material created by leveraging the properties of polytetrafluoroethylene and integrating the multi-channel one-piece molding process. Unlike ordinary single-chamber pipes, it can be divided into multiple independent chambers, enabling simultaneous transmission of multiple media, cable storage, or functional zoning within a single pipe. It combines structural integration with material stability, and is an indispensable basic component in industries such as industry, healthcare, and precision equipment. In terms of core performance, the PTFE material endows the multi-chamber pipe with numerous excellent characteristics. This pipe material exhibits excellent temperature adaptability, capable of operating stably in a wide range of high and low temperature environments. It does not soften or deform under high temperatures and does not crack under low temperatures, and can adapt to various working conditions with large temperature fluctuations. At the same time, it has excellent chemical stability, with an overall material that is relatively inert and is unlikely to react with most acids, bases, organic solvents, and corrosive gas media. Long-term use will not result in corrosion, aging, or deterioration, and it is suitable for various transmission scenarios involving corrosive media. In addition, the inner wall of the PTFE multi-chamber tube is smooth and has a low friction coefficient. When the medium passes through, the resistance is smaller, and there is less possibility of residue or blockage. The fluidity of transportation is excellent, and it is easy to clean and maintain. The overall insulation performance of the pipe material is good, and it has reliable electrical insulation protection capabilities. It can be adapted to the cable protection scenarios of electrical and precision equipment. At the same time, the multi-chamber structure formed by one-piece molding is regular, with uniform wall thickness, good mechanical stability, good pressure resistance and deformation resistance, and it is unlikely to cause cavity deformation or intercommunication during long-term use, ensuring the stability of equipment operation. Compared to the use of multiple single-chamber pipes, the core feature of PTFE multi-chamber pipes lies in their high degree of integration. The single-pipe multi-channel design significantly simplifies the piping layout, saves installation space for equipment, reduces the risks of messy pipelines, wear and interference, and simplifies the installation and subsequent operation processes. Each chamber is independent and does not interfere with each other, enabling the simultaneous completion of various operations such as different medium transportation, guidewire passage, drainage, and pressure application. This effectively improves the equipment's operational efficiency and adaptability to working conditions. Additionally, the material is non-toxic and harmless, has good biocompatibility, supports conventional sterilization treatment, and is suitable for strict clean usage scenarios. Thanks to its comprehensive performance advantages, PTFE multi-chamber tubes have a wide range of applications. In the medical field, they are mainly used in various precision catheters for interventional procedures, enabling simultaneous operations such as drug administration, drainage, and guidewire passage, meeting medical cleanliness and safety standards. In the industrial sector, they can be used for environmental protection fluid treatment, chemical medium transportation, and automated equipment pipeline systems, suitable for corrosive, high and low temperature working conditions. In the aerospace, precision instruments, electronic and electrical industries, they can be used as cable protective tubes and precision medium transmission pipelines. Relying on their insulation, weather resistance, and stability characteristics, they ensure the long-term reliable operation of precision equipment. Overall, the PTFE multi-chamber tube, thanks to its dual advantages of material and structure, combines practicality, stability and adaptability. It can be applied to various complex working conditions and is an extremely cost-effective high-performance pipe accessory in modern precision manufacturing, medical field and industrial upgrading.Jiangsu Minfluo New Material Technology Co., Ltd. specializes in the research, development, manufacturing, and sales of fluoropolymer extruded tubing, with a strong focus on the medical catheter industry. Backed by Mingke Group and supported by a professional technical team, the company is committed to providing one-stop medical catheter solutions for medical device manufacturers worldwide. Equipped with a comprehensive mold workshop, physical, chemical, and biological laboratories, as well as advanced international extrusion and testing equipment, the company ensures product safety, reliability, and consistency through a complete quality management system certified to ISO 9001 and ISO 13485 standards. Driven by technological innovation and stringent quality control, Jiangsu Minfluo is dedicated to advancing medical device development and strives to become a trusted global supplier of fluoropolymer medical tubing solutions, helping safeguard human health through high-quality medical materials.Official website: http://www.minfluo.com/En_index.htmlContact person：Alan Su 137 7606 2198 Email: Alan.su@minfluo.com Address: No. 30, Chunhui Road, Hedde Town, Shaoyang County, Jiangsu Province
↗ 2026/6/4PTFE extruded pipe: An in-depth introduction to high-performance industrial pipes suitable for various scenarios! PTFE extruded pipe is a functional pipe material processed by the extrusion method using polytetrafluoroethylene resin as the core raw material. It is also a widely used fluoropolymer product in the industrial field. Relying on the unique molecular structure characteristics of polytetrafluoroethylene, this pipe material has overcome the performance limitations of ordinary plastics and metal pipes. With stable, durable, and highly adaptable features, it is widely used in various industries such as chemical, electronics, food, medical, and aviation, and has become the preferred material for fluid transportation and insulation protection in complex working conditions. In terms of product features, the most prominent advantage of PTFE extruded pipes is their extremely strong chemical inertness. The entire pipe material does not react with most acids, bases, salts, organic solvents, strong oxidants, etc. It can withstand the long-term erosion of various corrosive fluids and will not experience corrosion, aging, or deterioration. It perfectly meets the usage requirements of various corrosive conditions. At the same time, the surface of the pipe material has a natural non-adhesive property, and the medium is not easy to adhere to the pipe wall or form deposits. This not only ensures the smoothness of fluid transportation but also significantly reduces the cost of pipeline cleaning and maintenance. The strong temperature adaptability of the PTFE extruded pipe is its core performance highlight. Unlike ordinary pipe materials which are prone to deformation and cracking under high and low temperatures, this pipe material can maintain a stable physical form and usage performance in extremely cold and hot environments. It will not harden and crack at low temperatures, nor will it soften and deform or release harmful substances at high temperatures. It can adapt to most industrial operation scenarios with alternating high and low temperatures, and its environmental tolerance is extremely outstanding. In addition, the PTFE extruded tube has excellent insulation properties, with good dielectric stability that is not affected by temperature and frequency changes. It can be used as insulation protection tubing for electrical equipment and precision electronic instruments, effectively avoiding issues such as leakage and interference. At the same time, the friction coefficient of the tube is extremely low, the fluid transportation resistance is small, the transportation efficiency is stable, and the material has moderate flexibility and good bending performance. It has strong installation adaptability and can be suitable for complex pipeline layout scenarios. Moreover, the PTFE extruded tube of compliant grade is pure, non-toxic, and harmless, and has good biocompatibility, which can meet the usage standards for clean scenarios such as food and medicine. Due to its multiple performance advantages, PTFE extruded pipes have a wide range of application scenarios. In the chemical industry, they are mainly used for laying pipeline routes for transporting corrosive chemical raw materials and waste liquids; in the electronics and electrical field, they are mostly used for insulating protective lines of precision equipment and fluid cooling pipelines; in the food and pharmaceutical industry, relying on their clean characteristics, they are used for transporting food slurries and pharmaceutical liquids; in the high-end manufacturing fields such as aviation and automobiles, they can meet the transportation needs of special fluids and hydraulic media. At the same time, in the fields of environmental protection, semiconductors, and precision instruments, they are also often used for building high-precision and high-stability pipeline systems. Overall, PTFE extruded pipes, with their comprehensive advantages such as corrosion resistance, resistance to high and low temperatures, excellent insulation properties, cleanliness and safety, and strong adaptability, have made up for many shortcomings of traditional pipes. They are indispensable high-performance pipes in modern industry. With the upgrading of processes in various industries, their application scenarios are still continuously expanding.Jiangsu Minfluo New Material Technology Co., Ltd. specializes in the research, development, manufacturing, and sales of fluoropolymer extruded tubing, with a strong focus on the medical catheter industry. Backed by Mingke Group and supported by a professional technical team, the company is committed to providing one-stop medical catheter solutions for medical device manufacturers worldwide. Equipped with a comprehensive mold workshop, physical, chemical, and biological laboratories, as well as advanced international extrusion and testing equipment, the company ensures product safety, reliability, and consistency through a complete quality management system certified to ISO 9001 and ISO 13485 standards. Driven by technological innovation and stringent quality control, Jiangsu Minfluo is dedicated to advancing medical device development and strives to become a trusted global supplier of fluoropolymer medical tubing solutions, helping safeguard human health through high-quality medical materials.Official website: http://www.minfluo.com/En_index.htmlContact person：Alan Su 137 7606 2198 Email: Alan.su@minfluo.com Address: No. 30, Chunhui Road, Hedde Town, Shaoyang County, Jiangsu Province
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