Sunresin Nuclear-Grade Ion Exchange Resin Passes Product Appraisal, Supporting Reliable Nuclear Power Water Chemistry Control
Sunresin has successfully passed the product appraisal for its domestically developed nuclear-grade ion exchange resin, marking an important milestone in the development of high-performance chemical materials for nuclear power applications.
The appraisal was jointly organized by Sunresin, the Nuclear Power Institute of China, and Hainan Nuclear Power. After a comprehensive technical evaluation, the appraisal committee concluded that Sunresin’s nuclear-grade ion exchange resin has reached an internationally advanced performance level, with its uniform particle size control technology recognized as a leading technical advantage.
The product has already been applied in commercial nuclear power plants and shows strong application potential in radioactive waste treatment and other nuclear technology-related fields.
Critical Material for Nuclear Power Water Treatment
Nuclear-grade ion exchange resin is a key functional material used in the primary circuit and auxiliary systems of nuclear reactors. It plays an important role in maintaining water chemistry stability, reducing the migration of corrosion products, and controlling radioactivity levels in reactor water systems.
Compared with conventional water treatment resins, nuclear-grade resins must meet much stricter requirements in purity, stability, mechanical strength, particle uniformity, and long-term operational reliability. The resin must perform consistently under demanding nuclear power conditions while minimizing impurity release and supporting safe system operation.
For nuclear power plants, reliable ion exchange resin performance is directly connected to water quality control, equipment protection, radioactive contaminant management, and overall system stability.
Breakthrough in Uniform Particle Resin Technology
Sunresin has long focused on adsorption and separation materials, including ion exchange resins for high-purity and nuclear-grade applications.
In 2019, Sunresin achieved a key breakthrough in jetting-based uniform particle technology and realized the mass production of uniform polymer beads with independent intellectual property rights. This technology provided an important foundation for the development of high-end uniform particle products, including nuclear-grade resin, electronic-grade ultrapure water resin, and uniform chromatography media.
Uniform particle technology is especially important for nuclear-grade resin applications. Better particle size distribution can improve resin bed performance, reduce pressure drop fluctuation, enhance flow distribution, and support more stable operation in demanding water treatment systems.
Based on this technology platform, Sunresin further developed nuclear-grade ultrapure water resin for nuclear power applications and carried out systematic performance evaluation and engineering validation.
Full-Cycle Validation for Nuclear Power Applications
The development of Sunresin nuclear-grade ion exchange resin covered the full application cycle, including product design, process development, performance evaluation, engineering application verification, and radioactive waste resin solidification studies.
The product completed comprehensive out-of-reactor performance evaluation as well as commercial nuclear power plant application verification. This real operating condition validation is particularly important because nuclear-grade materials must not only meet laboratory indicators, but also demonstrate stability and reliability in actual nuclear power systems.
The successful appraisal confirms that Sunresin nuclear-grade ion exchange resin is ready to support broader application in nuclear power water chemistry control and related nuclear technology fields.
Expanding Applications in Nuclear Power and Radioactive Waste Treatment
Beyond primary circuit and auxiliary system water purification, nuclear-grade ion exchange resin also has important application potential in radioactive waste treatment and nuclear technology-related industries.
In nuclear power operation, ion exchange resin can be used to remove ionic impurities and radioactive contaminants from process water streams. After use, spent resin must also be treated safely, making lifecycle performance and waste treatment compatibility important factors in product development.
Sunresin’s work included evaluation of radioactive spent resin cement solidification formulas, helping support a more complete application and disposal pathway for nuclear-grade resin.
This reflects the company’s capability not only in resin manufacturing, but also in application-oriented development for the full lifecycle of nuclear water treatment materials.
Sunresin Supporting High-End Nuclear Materials Development
The successful product appraisal represents an important step for Sunresin in high-end nuclear-grade ion exchange resin technology.
As a company focused on adsorption and separation materials, Sunresin will continue strengthening cooperation with professional nuclear power institutions and industry partners to expand the application scope of nuclear-grade resin technologies.
Moving forward, Sunresin will continue advancing high-performance ion exchange materials for nuclear power water treatment, ultrapure water production, radioactive waste treatment, and other high-purity applications.
By combining functional material innovation with application validation and engineering experience, Sunresin is committed to supporting safer, more reliable, and more sustainable nuclear power development.
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