リャンロンジャパン List of Products and Services

RIASORB UV-326 is a general-purpose powdered ultraviolet absorber. It has significant absorption peaks around 310nm and 350nm, protecting many resin products from light-induced degradation. Additionally, RIASORB UV-326 is widely used as a UV absorber in various polyolefins, showing low volatility even at high temperatures, and no clear signs of thermal decomposition during biaxial extrusion or injection molding. RIASORB UV-326 also has the characteristic of being less likely to form colored substances due to reactions with metal ions during the polyester curing process. This product has been added to the 30th SVHC (Substances of Very High Concern) under the European REACH regulation. For details regarding alternatives to UV-326 or regulatory information, please contact us. ■Application: Various resins Films Adhesives Sealants Flooring, etc.

• Engineering Plastics
• plastic
• Other polymer materials

This is a UV absorber widely used in various polymers. Its high UV absorption performance prevents discoloration and deterioration of physical properties in polymers. Additionally, it has good solubility in solvents and has a light color itself, making it widely used in applications that require solvent solubility and transparency. This product has been added to the 30th SVHC (Substances of Very High Concern) under the European REACH regulation. For details on alternatives to UV-329 and regulatory information, please contact us. ■Application: Various resins Films Adhesives Sealants Flooring, etc.

• Engineering Plastics

RIASORB UV-P protects plastics and other organic materials from degradation caused by ultraviolet rays, delaying yellowing and deterioration of physical properties. Recommended applications include PVC, PVDC, PS, polyester, acrylic resin, polyurethane, PC, cellulose esters, and more. By combining it with antioxidants and HALS, it is also possible to provide plastics with even higher light and heat resistance. It offers an excellent balance of heat resistance and cost, making it suitable for high-temperature processing resins like PC. UV-P is one of the main products among Rianlon's ultraviolet absorbers, with a very high production volume. We can also provide proposals regarding supply stability and cost advantages. Please feel free to contact us using the inquiry button below! ■Application: ABS Polyurethane Engineering plastics, etc.

• Engineering Plastics
• Other polymer materials
• plastic

RIASORB UV-1577 is a powder ultraviolet absorber with a triazine structure. Like UV-400, it is a UV absorber that has a peak absorption in the UV-B region (around 280nm and 340nm), characteristic of triazines. RIASORB UV-1577 is suitable for various engineering plastics such as PC, PMMA, and polyester, as well as various polymer alloys like PC/ABS and m-PPE, and can also be used in transparent or translucent products. RIASORB UV-1577 has a relatively high molecular weight and excellent compatibility with resins, which means it has low volatility even when added in high concentrations to resins. We are confident that triazine-based ultraviolet absorbers will provide overwhelming cost satisfaction. Please feel free to contact us using the inquiry button below! ■Application: Paints Coatings Engineering plastics, etc.

• paint
• Engineering Plastics
• plastic

RIASORB UV-1130 is a high-performance UVA that is liquid, making it excellent for handling when used in liquid products such as paints. It is difficult to volatilize and has excellent heat resistance. It is used in automotive paints, industrial paints, and other coatings in combination with hindered amine light stabilizers (HALS) such as RIASORB UV-292 and RIASORB UV-123. It is used in an additive range of 1.0% to 3.0% depending on the application and required performance. RIASORB UV-1130 exhibits synergistic effects when used in combination with hindered amine light stabilizers, contributing to the prevention of discoloration, maintenance of gloss, prevention of cracks and bubbles, and prevention of interlayer delamination. ■Application: Paints Coatings, etc.

• paint
• Coating Agent
• Other optical parts

RIASORB UV 384-2 is a liquid benzotriazole-based UV absorber primarily used in coatings. It is suitable for applications exposed to high temperatures or extreme conditions for extended periods, such as automotive paints and industrial coatings. Being a liquid product, it is also widely used in water-based paints. RIASORB UV 384-2 exhibits a synergistic effect when used in combination with HALS such as RIASORB UV-292, contributing to the prevention of discoloration, maintenance of gloss, prevention of cracks and bubbles, and prevention of interlayer delamination in coatings. The recommended addition amount of RIASORB UV-384-2 is 1-3 wt%. ■Application: Coatings Paints, etc.

• paint
• Coating Agent
• Other polymer materials

RIASORB UV-928 is a new type of benzotriazole-based ultraviolet absorber developed specifically for high-performance paint applications. It has a relatively wide absorption wavelength range, effectively protecting coatings and materials. Additionally, it possesses high solubility, compatibility, heat resistance, and durability, making it suitable for high-temperature processing such as powder coatings and coil coatings. RIASORB UV-928 demonstrates a synergistic effect when used in combination with hindered amine-based light stabilizers, contributing to the prevention of color change, maintenance of gloss, prevention of cracks and bubbles, and prevention of interlayer peeling in paints. In Japan, UV 384-2 and UV-1130 are often used for paint applications. As Ryanglon Japan, we recommend UV-928 for paint applications due to its superior absorption efficiency compared to the two products mentioned above. Furthermore, UV-928 is a powder product (non-hazardous according to fire laws), so it does not require a hazardous materials storage facility like UV-1130 and UV 384-2. We can also provide data on ultraviolet absorption wavelengths and other information, so please feel free to contact us.

• paint

Low volatility benzotriazole ultraviolet absorber RIASORB UV-234 is a heat-resistant ultraviolet absorber suitable for use in high-temperature processing of materials such as PC, polyester, POM, PA, PPS, m-PPE, TPU, and spandex. While RIASORB UV-234 is also used in molded products, it excels in resistance to volatilization, has high ultraviolet absorption performance, and demonstrates excellent compatibility with various resins, making it suitable for use in films, sheets, and fibers. ■Application: Polyester Polycarbonate Various films Various engineering plastics Coatings, etc.

• Engineering Plastics
• plastic
• Other polymer materials

RIASORB UV-360 is a low-volatility ultraviolet absorber used in various polymers. RIASORB UV-360 is widely used in acrylic resins, PET, polycarbonate, and more. ■Application: PMMA PC PA POM m-PPE

• plastic
• Engineering Plastics
• Other polymer materials

RIASORB UV-1164 is a triazine-based ultraviolet absorber with very high UV absorption performance. It also has a wide absorption wavelength range, demonstrating high effectiveness for photosensitive materials. RIASORB UV-1164 has excellent compatibility with polymers, is resistant to discoloration and volatilization, and exhibits superior heat and light resistance, effectively contributing to stabilization in PE and PP films, tapes, sheets, and other resins such as PA, PET, ASA, PET-G, PMMA, PBT, and PC. The recommended addition amount of RIASORB UV-1164 varies depending on the required performance, but is generally between 0.05-1.00 wt%.

• plastic
• Engineering Plastics
• Other polymer materials

RIASORB UV-405 is a powder triazine-based ultraviolet absorber for coatings. It is designed to meet the high performance and durability required for automotive and industrial acrylic powder coatings. RIASORB UV-405 is recommended for applications that demand relatively advanced performance, such as high-performance automotive powder coatings and high-performance industrial powder coatings. For outdoor use, it exhibits a synergistic effect when used in combination with hindered amine light stabilizers. The necessary amount of RIASORB UV-405 for optimal performance should be determined based on the substrate, the underlying formulation, and the required performance. ■Application: Short-wavelength ultraviolet absorption applications Photographic paper Powder coatings Coatings, etc.

• Other optical parts
• Other polymer materials
• paint

RIASORB UV-400 has two significant absorption peaks around 290nm and 330nm, which is one of the major characteristics of triazine-based ultraviolet absorbers. It possesses excellent heat resistance under high-temperature and harsh environmental conditions. Its high light stability and minimal coloring make it an optimal UVA for paints with strict color requirements. RIASORB UV-400 does not interact when used in amine-based or metal-catalyzed paints. The recommended applications for RIASORB UV-400 are solvent-based and water-based automotive and industrial paints. When used in combination with hindered amine light stabilizers, it exhibits a synergistic effect, contributing to the prevention of paint discoloration, maintenance of gloss, prevention of cracks and bubbles, and prevention of interlayer peeling. We are confident that triazine-based ultraviolet absorbers will satisfy you at an overwhelming cost. Please feel free to contact us using the inquiry button below! ■Application: Various engineering plastics Paints, etc.

• Engineering Plastics
• paint
• Coating Agent

RIASORB UV-460 is a solid triazine-based ultraviolet absorber. Its extremely high ultraviolet absorption capability provides excellent protective effects for coatings and light-sensitive substrates and materials. In particular, it excels in ultraviolet absorption performance on the long-wavelength side, and when used in combination with benzotriazole-based ultraviolet absorbers, it can absorb a wide range of ultraviolet light. RIASORB UV-460 is especially suitable for photographic paper and printing varnishes and inks. Additionally, it is recommended for use in photographic materials such as color negative films, bookbinding inks, overprint varnishes for packaging, industrial paints, consumer paints such as wood stains and DIY paints, industrial coatings, and furniture varnishes, as well as floor paints. ■Application: Long-wavelength ultraviolet absorption applications Photographic paper Printing varnish Paints, etc.

• Other optical parts
• Other polymer materials
• Glass

■Introduction to Rianlon Rianlon Corporation has been engaged in development and sales activities for over 20 years, conducting business with many customers around the world in the field of resin additives. Many of these customers are renowned manufacturers leading their respective industries globally. All of our production bases are located overseas, but we (Rianlon Japan Co., Ltd.) are responsible for serving customers in Japan. Domestically, we have conducted quality evaluation tests and have been adopted by major paint manufacturers, engineering plastic manufacturers, as well as those related to adhesives and general-purpose plastics. Regarding quality control, we have a systematic quality assurance system in compliance with ISO 9001, so you can feel assured. ■About Our Products (HALS Products) We have listed our lineup of HALS products below. In 2019, Rianlon acquired the largest HALS and intermediate manufacturing company in Asia. With a strong supply chain from upstream raw materials, we can confidently recommend our products in terms of supply.

• Engineering Plastics
• paint
• Other polymer materials

RIASORB UV-123 is a liquid HALS with an amino ether group, primarily used for coatings. A characteristic of this structure is its low basicity, which minimizes reactions with acidic components in coatings. This product is mainly used in automotive coatings, industrial coatings, and decorative/wood coatings. In automotive coatings, it significantly improves weather resistance when used in combination with UV absorbers such as RIASORB UV-1130 and UV-928, effectively contributing to discoloration prevention, gloss retention, and interlayer adhesion prevention. Additionally, Rianlon has a strong supply chain for HALS products due to its acquisition of Kaiya Chemical through M&A in 2018. Since manufacturing is done from upstream raw materials, we are confident in our supply stability and competitiveness in the market. *Kaiya Chemical = Manufacturer of HALS intermediates HALS products are confidently recommended by Rianlon Japan as well. Please feel free to contact us using the inquiry button below! ■Application: Automotive coatings and paints Industrial coatings and paints Wood coatings

• paint
• Coating Agent

RIASORB UV-292 is a high-performance light stabilizer that excels in volatility resistance and heat resistance. As it is a liquid product, it is primarily used in liquid products such as paints. Its main applications include exterior wall and exterior coatings, automotive paints, and waterproof coatings. The recommended addition amount varies depending on the performance requirements of each company, but it is generally 0.1-2.0 wt%. Additionally, there is a synergistic effect when used in combination with ultraviolet absorbers such as RIASORB UV-1130. However, caution is needed as thiol ether-based antioxidants may have antagonistic effects. Furthermore, Rianlon has a strong supply chain for HALS products due to its acquisition of Kaiya Chemical through M&A in 2018. Since we manufacture from upstream raw materials, we are confident in our supply stability and competitiveness in the market. *Kaiya Chemical = Manufacturer of HALS intermediates We can propose additives tailored to your applications, so please feel free to contact us! ■Application: Automotive coatings and paints Industrial coatings and paints

• paint
• Coating Agent

RIASORB UV-770 is used in many polymers such as PP, PE, TPO, EPDM, PS, ABS, TPU, PA, and POM. Due to the minimal difference in effects based on thickness, it is widely used from films to molded products. By using it in conjunction with antioxidants, thermal stability can be enhanced, and a synergistic effect can be expected when used with ultraviolet absorbers. Caution is necessary when used in combination with thioether-based compounds such as DSTP and DLTP due to antagonistic effects. Due to its basic nature, if there are concerns about the acidity of the material itself, we recommend UV-622. If liquid HALS is available, UV-123 is also recommended. ■Application: Polyolefins EPDM ABS PU PA POM

• Engineering Plastics
• plastic
• Other polymer materials

RIASORB UV-622 is a low-basicity N-R type HALS. HALS protects polymers from UV-induced photodegradation and thermal decomposition caused by long-term heat by capturing radicals generated within the polymer. RIASORB UV-622 has high compatibility with polymers, excellent volatility resistance, migration resistance, and extraction resistance, as well as outstanding thermal stability during processing. RIASORB UV-622 has a low melting point and is used in PP, PE, PS, unsaturated polyester, PMMA, PVC, and elastomers. It interacts minimally with pigments and demonstrates high weather resistance in outdoor applications when combined with phenolic antioxidants, phosphorous antioxidants, and HALS or UV absorbers of different molecular weights. UV-622 has an alkyl group coordinated to the piperidine ring, resulting in a lower basicity structure compared to N-H types like UV-770. If there are concerns about the acidity of the polymer or formulation, the use of UV-622 is recommended. Caution is necessary when used in combination with thioether-based antioxidants such as DSTP and DLTP, as they may have antagonistic effects.

• Engineering Plastics
• plastic
• Other polymer materials

■Application: Polyolefin PU PA POM, etc.

• Engineering Plastics
• plastic
• Chemicals

RIASORB UV-119FD can enhance the color yield of pigmented polyolefin products. Due to its high molecular weight structure, it is a light stabilizer suitable for all applications requiring low volatility and high migration resistance. RIASORB UV-119FD exhibits excellent stabilization effects for pure PP, PE, and olefin copolymers, as well as mixtures with EPR, EPDM, ERR, EVA, EAA, EVOH, and filled PP. It is also usable with elastomers such as SBS, SIS, SEBS, and with ABS and styrenic resins. ■Application: PP PE Various other resins

• Engineering Plastics
• plastic
• Other polymer materials

It is a low molecular weight, water-soluble polymerization inhibitor. It contributes to improving the storage stability of paints, inks, and the like.

• Other polymer materials