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Medical syringe XNBR seals Description
Contents of XNBR seals for medical syringes
In the modern medical field, the use of medical syringes is ubiquitous, and their safety and reliability are directly related to the life and health of patients. As one of its core components, the performance of medical syringe seals directly affects the overall use of syringes. Among them, XNBR (acrylonitrile-butadiene rubber), as a high-performance elastomer material, is widely used in the production of medical syringe seals due to its excellent oil resistance, chemical resistance, and good mechanical properties. In this paper, XNBR seals for medical syringes will be introduced in detail, including their material properties, production process, performance advantages, and applications in the medical field.
| Product name | Medical syringe XNBR seals |
| Product material | XNBR, ACN, BD |
| Hardness (Shore A) | 20 to 90 |
| Applicable temperature °C | ordinary temperatures |
| Color | Black, orange, blue, yellow, green, custom |
| Size | Standard/ Custom |
| Advantage | Chemically resistant, abrasion-resistant, weather-resistant |
| Application | Medical syringe |
| Certification | ISO: 9001, ISO: 14001, IATF: 16949 |
XNBR material properties
XNBR is a rubber material made from the copolymerization of acrylonitrile (ACN) and butadiene (BD) as the main components. Its unique molecular structure gives XNBR excellent properties:
Oil resistance
XNBR has excellent oil resistance and can be used for a long time in a variety of oil media without significant performance degradation. This characteristic makes XNBR seals perform well in applications such as medical syringes that require contact with greasy liquids.
Chemical resistance: XNBR has good chemical resistance to a variety of acids, alkalis, and organic solvents, and can maintain stable performance in harsh chemical environments.
Mechanical properties
XNBR has high strength and elasticity and can withstand certain mechanical stresses such as tensile, compression, and bending to meet the requirements of medical syringe seals.
Processing performance: XNBR has good processing performance, and can be made into various shapes of seals through injection molding, extrusion, and other processes.
XNBR seal production process
The production process of medical syringe XNBR seals mainly includes raw material preparation, molding, vulcanization, post-treatment, and so on.
Raw material preparation
Select high-quality XNBR raw materials, and according to the product requirements add the appropriate additives, such as plasticisers, stabilisers, etc., in order to improve the performance of the seal.
Molding
Adopt injection molding or extrusion molding process to process XNBR material into the shape of seals. During the molding process, parameters such as molding temperature, pressure, and time need to be strictly controlled to ensure the dimensional accuracy and appearance quality of the seals.
Vulcanization
The molded seals are placed in the vulcanizing tank for vulcanization. Vulcanization is one of the key steps in the production of rubber products, vulcanization can make the molecular chain of XNBR material crosslinking reaction, so as to improve the strength and aging resistance of seals. During the vulcanization process, parameters such as vulcanization temperature, time and pressure need to be controlled in order to obtain the best vulcanisation results.
Post-treatment
After vulcanization, the seals need to be post-treated, including deburring, cleaning, drying, and other steps. Post-treatment can further improve the appearance quality and performance of seals.
Advantages of XNBR seals
Compared with medical syringe seals made of other materials, XNBR seals have the following performance advantages:
Excellent sealing performance
XNBR seals have good elasticity and compression deformation ability, and can closely fit the inner wall of the syringe to achieve a good sealing effect. This helps to prevent medicine leakage and bacterial invasion, safeguarding the safety of patients' medication.
Good oil resistance and chemical resistance
XNBR seals can maintain stable performance in various oil media and harsh chemical environments, and will not dissolve, deform or corrode as a result of contact with medication. This extends the service life of seals and reduces medical costs.
High strength and wear resistance
XNBR seals have high strength and wear resistance and can withstand certain mechanical stress and frictional wear. This ensures that the seals will not break or fall off during use, and improves the reliability and stability of medical syringes.
XNBR seals in medical applications
XNBR seals are widely used in the medical field due to their excellent performance advantages. In addition to medical syringes, XNBR seals are also widely used in infusion sets, blood transfusion sets, catheters, and other medical devices. These medical devices need to be in contact with various medicinal fluids, blood, and other biological fluids in the process of use, which requires the very high performance of the seals, XNBR seals can meet these requirements, providing a strong guarantee for the safety and reliability of medical devices.
Conclusion
In summary, as a high-performance rubber product, medical syringe XNBR seals play an important role in the medical field. Its excellent oil resistance, chemical resistance, and good mechanical properties make XNBR seals an indispensable part of medical devices such as medical syringes. With the continuous development of medical technology and the growing concern for medical safety, the market demand for XNBR seals for medical syringes will continue to grow. In the future, we will continue to devote ourselves to improving the performance and quality level of XNBR seals and make greater contributions to the development of the medical field.
Tips: Please provide drawings for customized products, we can complete the samples within 4-8 working days.
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