The UV-curing industry is evolving rapidly as performance demands increase and regulations tighten. There is growing pressure to reduce operating costs, move to more energy-efficient UV sources, minimise migration and use tailored UV materials. Together, these trends are pushing UV-curing into automated, continuous production systems that improve quality control, reduce waste and enable flexible manufacturing.   Advanced UV-LED A major and ongoing trend is the shift from UV mercury lamps to UV-LED lamps, driven by the need to improve environmental compliance and energy efficiency. UV-LED lamps provide specific wavelength emissions, typically between 365–405 nm, lower power consumption, reduced heat output and longer equipment lifetimes, ultimately lowering operational costs. For more detail on UV-mercury versus UV-LED lamps, you can read our technical post here:   To further support the transition towards mercury-free UV-curing, advances in UVC-LED technology are being developed to deliver surface curing effects beyond the capability of existing UVA-LED systems. While recent progress has improved light extraction and efficiency, further research is required to address UVC-LED lifetime limitations driven by thermal stress and optical degradation. Advances in UVC-LED technology will offer additional benefits, especially in medical and hygiene applications, by enabling compact, mercury-free UVC-curing modules for germicidal uses such as surface treatment and sterilisation of packaging.   Advanced UV-Curing Materials To support the move to mercury-free UV-curing, new photoinitiators are being developed that are formulated to absorb efficiently within the narrower wavelength range of UV-LEDs, together with complementary resins that optimise the curing reaction for fast, reliable cure. There has also been significant growth in the development and commercial availability of speciality oligomers designed to meet dynamic performance requirements such as adhesion, hardness, flexibility, refractive index, and chemical and thermal resistance across different UV applications. In parallel, bio-sourced monomers and low-VOC (low volatile organic compound) and low-migration photoinitiators are being introduced to improve handling and product safety, particularly for safety-sensitive applications such as packaging, cosmetics, electronics and medical devices.   Automated UV-Curing UV-curing equipment is gradually being integrated into smart-factory concepts that use sensors, process control and automation to ensure consistent cure. These systems monitor lamp output and adjust curing parameters in real time. The compact size and lower thermal footprint of LED curing units make them easier to embed into digital printing lines, casting or 3D-printing systems and continuous-flow production lines. As a result, UV-curing systems are becoming more interoperable, data-driven and seamlessly integrated, improving quality control, reducing waste and enabling more flexible production.   These emerging innovations are driving UV-curing towards instant, mercury-free and more sustainable processes that deliver precision, safety and advanced material performance.   How Anstar supports UV-LED curing At Anstar, we offer a complete UV-curing toolbox to support the transition from UV-mercury to UV-LED. Our UV-mercury/LED dual-cure JRCure photoinitiator range  combines low-migration, low-yellowing and low-odour products with speciality polyester and polyurethane acrylate oligomers  and high-grade reactive diluent monomers .   For example, JRCure 1508 is a difunctional polymeric thioxanthone photoinitiator with high efficiency and low viscosity, delivering true dual-curing under both mercury and UV-LED lamps, with absorption wavelength of up to 430 nm. Its polymeric nature supports low migration in inks and adhesives and makes it suitable for food packaging applications. To further optimise formulations, high-purity CTFA with low viscosity and low odour can be used as a reactive diluent to enhance flow, adhesion and final appearance (read more on Anstar CTFA grades here):   Together, these systems enhance curing speed, long-term performance and surface quality, delivering excellent adhesion, chemical resistance and mechanical strength in coatings, inks and adhesives. They provide a carefully tuned balance of hardness and flexibility, with good weatherability, surface durability and wetting for demanding applications such as inks, coatings, 3D printing and cosmetics.   We also provide technical guidance and starter formulation support to help customers transition to UV-LED curing technologies. Discover how Anstar’s UV-curable materials can support next-generation UV curing. Visit our website or contact us to explore how we can support your raw material requirements.

Dental fillings have come a long way from the days of manual mixing and slow chemical curing. Today, UV- and visible-light-curing resins are standard in restorative work, enabling dentists to treat patients more efficiently and achieve better long-term outcomes. This technology has transformed dental practice by combining speed, safety, and durability, delivering both clinical precision and patient comfort. How UV Curing Works in Dentistry   The principle is simple: when a light source is applied, the photoinitiator(s) activates and triggers polymerisation of the resin system. Within seconds, the liquid material hardens into a strong, durable layer that bonds securely to the tooth.   UV-curing technology in dentistry offers great advantages for both patients and dental professionals. However, there are a few nuances to keep in mind, for example controlled curing rates are essential to prevent heat build-up that could damage sensitive oral tissues. Using specially designed oligomers and monomers helps reduce shrinkage and mechanical stress during the curing process. Above all, biocompatibility is non-negotiable, as all materials must be safe for long-term contact inside the mouth. Compared to traditional chemically cured systems, UV curing offers clear advantages: Speed and Efficiency Precision Durability Aesthetics and safety For dental formulators, success depends on carefully balancing several factors. These include matching photoinitiators with light sources to achieve optimal curing depth and speed; selecting oligomers and monomers that limit shrinkage while maintaining mechanical strength. Additionally, ensuring compliance with stringent regulatory requirements, such as ISO 10993 biocompatibility standards. Innovation in dental UV curing continues to accelerate. Some key developments include: Dual-cure systems that combine light and chemical activation for reliable curing in shadowed areas Next-generation oligomers are designed to further reduce shrinkage stress and improve physical properties Bioresorbable UV adhesives for temporary applications such as implants A growing focus on sustainability and green chemistry, with formulators seeking safer and more environmentally responsible raw materials   How Anstar Can Help At Anstar, we support formulators in the dental and medical sectors with a comprehensive range of raw materials designed for light-curing systems. Our portfolio includes: Specialty acrylates and methacrylates tailored for high-performance applications Photoinitiator systems optimised for dental and medical workflows Advanced oligomers that provide strength, flexibility, and reduced shrinkage By combining technical knowledge with a reliable supply chain, we act as more than just a distributor – we are a partner for innovation. Whether you are developing next-generation dental composites, adhesives, or speciality coatings, Anstar can help you meet both performance and regulatory demands.   UV-curing has redefined dentistry, setting new standards for speed, safety, and reliability. As the industry continues to evolve, formulators face the challenge of optimising reactivity, safety, and aesthetics while meeting stringent regulatory requirements.   Anstar is here to help you navigate this journey – supplying the right raw materials and expertise to drive your next innovation in dental and medical light-curing technologies.

As Anstar continues to expand, we are delighted to welcome two new members to our team.   Dr Henry Spurr joins us as a Technical Sales Manager, bringing a wealth of sales and technical acumen. His experience will help Anstar continuously improve our service to customers. "Henry is originally from Buckinghamshire. He attended The University of Leeds where he achieved a degree in Chemistry followed by a PhD in Analytical Chemistry. He has a background in R&D, sales and consultancy across various industries, including nonwovens textiles, coatings and food technology. He joined Anstar in April 2024 as a Technical Sales Manager and is passionate about applying his technical and analytical strengths to keep driving Anstar’s success." Also joining the team is Chardae Campbell-Ryce as our Executive Assistant. She brings a dynamic combination of skills and enthusiasm, essential for enhancing our organisation and streamlining operations. "Chardae, originally from London, studied Criminology and Psychology at Leeds Beckett University. Throughout and following her degree, she gained experience in a range of customer-facing and finance roles. Joining Anstar in 2024 as the Executive assistant, she has a passion for efficiency and organisational management and is committed to supporting Anstar in becoming the next leading chemical distributor."   We are confident that our new joiners will be outstanding additions to our team and instrumental in our continued success.   If you're interested in joining our dynamic team, please visit our LinkedIn page where you can view current job openings. https://uk.linkedin.com/company/anstar-limited