|
HS Code |
598385 |
| Product Name | UV Absorber 360 |
| Chemical Name | 2,2'-Dimethyl-4,4'-dihydroxybenzophenone |
| Cas Number | 103597-45-1 |
| Molecular Formula | C17H18N2O4 |
| Appearance | Light yellow powder |
| Molecular Weight | 314.34 g/mol |
| Melting Point | 153–157°C |
| Solubility | Soluble in organic solvents, insoluble in water |
| Uv Absorption Maximum | Approx. 360 nm |
| Application | UV stabilizer in plastics, coatings, and adhesives |
| Odor | Odorless |
| Purity | ≥99% |
| Storage Conditions | Store in a cool, dry, well-ventilated area away from direct sunlight |
As an accredited UV Absorber 360 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | UV Absorber 360 is packaged in a 25 kg fiber drum with an inner polyethylene bag, ensuring moisture protection and safe handling. |
| Container Loading (20′ FCL) | UV Absorber 360 is shipped in 20′ FCL containers, typically packed in 25kg fiber drums, ensuring safe, moisture-free transport. |
| Shipping | UV Absorber 360 is typically shipped in tightly sealed, fiber drums or HDPE containers with inner polyethylene bags to prevent moisture and light exposure. Each container usually weighs 25 kg. The product should be stored and transported in cool, dry, and well-ventilated areas, away from incompatible substances and direct sunlight. |
| Storage | UV Absorber 360 should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and incompatible substances such as strong oxidizers. Keep the storage area free from moisture and avoid extremes of temperature. Always ensure the container is properly labeled and handle according to standard chemical safety guidelines. |
| Shelf Life | UV Absorber 360 typically has a shelf life of 24 months when stored in a cool, dry, and well-sealed container. |
Competitive UV Absorber 360 prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@liwei-chem.com.
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Tel: +8615365186327
Email: sales3@liwei-chem.com
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We’ve worked for years formulating additives that shield materials from sun damage. Polymer manufacturers, coating engineers, and even textile finishers face the daily challenge of making sure their products look fresh and last longer outdoors. Over the years, customer feedback and field analysis told us that regular, low-grade stabilizers often break down too soon and let discoloration or surface chalking creep in after only a season or two.
UV Absorber 360 stands as our direct answer to that problem. It is our specialty light stabilizer offering broad-spectrum protection tailored for demanding environments. As a chemical manufacturer, we have focused on practical, real-world issues that surface after plastics, paints, or fibers get hit by UVA and UVB rays for months or years. We see outdoor furniture lose its brightness. Polycarbonate skylights sometimes become brittle and yellow, cutting into our customers’ profits when warranty claims pile up. After putting different absorbers to the test in our own onsite weathering chambers, the clear winners set the stage for this product.
The foundation of UV Absorber 360 lies in its benzotriazole backbone. Through years of lab tweaking, this compound delivers strong absorption between 300 and 400 nm, targeting the wavelength range that does the most harm to polymers and colorants. Years ago, when we tried conventional benzophenone UV absorbers, we found them lacking in migration resistance, especially in high-temperature extruded plastics. The small molecular size sometimes led to bleeding or fogging. Our approach for 360 improved thermal stability, increased molecular weight slightly, and cut down on volatility without making dispersion too complex.
After stress-testing 360 alongside rival products under intense xenon arc lamps, we measured better color retention in polycarbonate and polyurethane systems. For polypropylene garden chairs, just a small dose noticeably delayed chalking under the summer sun. In clear lacquer coatings, it noticeably slowed loss of transparency and surface yellowing. Unlike “barebones” absorbers, UV Absorber 360 resists leaching, so it sticks around in the matrix, giving lasting protection without reapplication or fading boosts each year. Our own factory trials have shown the product holds up well both in thin films and molded components.
We have watched this chemistry help many sectors meet their durability goals. Polycarbonate sheet producers like it because it lets architectural panels stay transparent after years on rooftops. Polyurethane foam makers see longer-lasting flexibility and color in outdoor cushions. In the world of automotive coatings, adding 360 helped paint finishers boost their weathering scores, which means fewer callbacks and repairs for car dealers. Outside the lab, we hear about packaging films keeping their gloss, and even synthetic textile yarns resisting fading through tough cycles of sun and rain.
UV absorber demand changed over the past decade, and customers ask for longer life and reduced maintenance. Many industries moved to lighter-colored plastics or advanced pigments, which often get hit faster by sun damage. In all these applications, we work side by side with manufacturers, either blending UV Absorber 360 into masterbatches, or using it in final compounding. Film converters use it in PET and BOPP. Outdoor paint formulators disperse it into aqueous and solventborne resins because it stays transparent, doesn’t drift to the surface, and doesn’t clog lines. Flexible PVC and acrylic products get an edge in clarity and weather resistance. Our real-world trials give us confidence in every batch leaving the reactor.
Years ago, the industry was flooded with low-cost alternatives that called themselves “universal UV absorbers." Some of these products provided short-term protection or looked good on paper, but faded quickly or leached out under heat and rain. We’ve seen too many coatings blister or discolor because of underpowered stabilizers or poorly matched chemistry. UV Absorber 360 tackles these issues with two main strengths: low volatility and robust light absorption in the critical 320-385 nm spectrum.
Our molecule resists migration better than the basic benzophenone stabilizers or older benzotriazoles. Classic absorbers like UV326 had their place, but they evaporated, migrated, or produced fog in car interiors. 360 fixes this with a higher molecular weight, keeping it where it matters—embedded inside plastic or resin. In our production, we check ash content, purity, and absorbance profiles, cutting out unwanted side products or fines that can change behavior in finished formulations.
Some customers ask us, “Will UV Absorber 360 affect processing?” From our side, the answer is no. Heat stability in extrusion and injection molding runs well up to 320°C. The product drops in easily, and downstream users see consistent results without unexpected viscosity spikes or gel issues. In waterborne systems, it disperses with normal high-speed mixers. Over multiple batches, we confirm there’s little interaction with titanium dioxide or organic pigments, reducing the risk of haze or loss of vibrancy.
As a chemical manufacturer, we are in control of every step, from raw material sourcing to final QC. Routine monitoring lets us spot and fix small variations in purity and moisture. Over the years, we have worked with large-volume clients as well as small specialty blenders, learning from their line trials. Some formulated new colorfast outdoor textiles. Others pushed us to develop products with lower dusting and improved pellet forms. We adapted our crystallization process to cut down on agglomerates, making it easier to handle both by hand or in silo feeders.
One of our proudest results is the low impurity content in our final batches. By using closed handling systems and stronger filtration, we avoid the dust and side reactions found in cheap imported goods. Our team makes regular site visits, offering formulation advice or trouble-shooting with customers who face unique drying, mixing, or extrusion hurdles. This hands-on approach builds real trust with the people using our UV Absorber 360 in their own plants.
UV absorber technology meets more scrutiny today, so our team pays close attention to regulatory compliance and safe handling. Components in 360 fall under global standards for non-hazardous chemicals. We track whether residuals or byproducts pop up in final goods—especially for food-contact plastics and materials aimed at sensitive end-users.
Because of increased focus on green chemistry, we took care to avoid persistent, bioaccumulative structures. Our waste streams get monitored and treated, and all reactor cleanouts follow strict plant protocols. For bigger buyers, we sometimes run lab tests to confirm low migration in toys, packaging, or medical devices. Over years of audits, we have had zero major non-conformances related to 360.
Warehouse staff requested better dust control several years ago, especially for large mixing jobs. We responded by improving pelletization lines and adding more localized exhaust. The result led to a cleaner work environment and fewer employee complaints about powder residues. On the application side, customers appreciate that UV Absorber 360 doesn’t carry a strong odor and can mix into finished goods without bringing in extra regulatory hurdles.
We manufacture UV Absorber 360 at our primary site, which prioritizes steady supply chain logistics, on-time deliveries, and export packaging designed to handle heat and rough handling. Some seasons, tight raw material markets push up prices or limit output of key precursors. Through long-term supplier partnerships and multi-stage QA audits, we keep disruptions to a minimum. Bulk packaging lines get checked before each campaign, and any issues are stopped at source, not at the consignee’s dock.
Alongside manufacturing, our R&D lab keeps looking for next-generation performance. Over the past few years, we have tweaked side groups on the molecule to further reduce migratory tendencies. We have partnered with pigment and resin producers to test over a dozen co-formulations, generating comparative weathering data. User experience tells us reliable additive blends save time and costs, especially when multiple stabilizers can be loaded in a single masterbatch.
Several customers came to us after seeing unpredictable results with imported generic absorbers. They reported shades shifting from batch to batch, and inconsistent shelf life in clear films or foamed sheets. Our quality analytics close the feedback loop, letting us trace every batch—so if a problem does occur, we can spot and resolve the root cause without delay. By sticking to ISO-aligned process control, and updating calibration schedules for our analytical labs, we can back up our claims with continual product data, not just sales materials.
Selecting a stabilizer boils down to trust gained through experience—not just pretty brochures. Years ago, a major customer in the outdoor lighting industry switched to UV Absorber 360 after seeing visible yellowing with their legacy product by the second summer. After trialing our material in a pilot extrusion line, their panels retained full transparency through two years of Florida sunlight. Another global polymer compounder picked us for clear packaging films. After using 360, they saw less shrinkage and no visible surface fog, even in shipping containers under high heat.
We document every success by aging samples in real-time outdoor racks and accelerated QUV chambers, tracking yellowing index, gloss retention, and material integrity over months. If a customer reports fading or embrittlement, we analyze both incoming raw material and their finished product to pinpoint potential mistakes in compounding, dosing, or drying. Our willingness to dive into problems hands-on sets us apart from mass producers, and that earns us ongoing loyalty from technical managers and line operators alike.
UV Absorber 360 doesn’t just target plastics. Outdoor wood finishes show less graying, and fiberglass-reinforced laminates maintain their strength longer. In synthetic turf, color life extends even in harsh climates, reducing maintenance cycles. Our broad welcome for customer feedback means we adjust our drum closures, label formats, and even moisture scavenger blends to match the real needs found in downstream plants. If users mention handling issues, we feed insights straight to process engineering and get a solution out fast.
Market needs keep evolving, and environmental pressures push us to stay responsible and transparent. Over the past years, manufacturers demanded higher performance from less total additive, aiming to meet tougher outdoor warranties but with thinner, lighter materials. We see new trends in bioplastics, natural fiber blends, and water-based coatings, all demanding absorbers with lower interaction, greater permanence, and a lighter environmental footprint. UV Absorber 360 has adapted to these shifts. New blending techniques let us offer pre-mixed forms for direct dosing, cutting the risk of overdosing and saving cycle time on the shop floor.
We put effort into minimizing packaging waste, using returnable containers and bulk bins wherever possible. Life cycle analysis metrics shape both our product design and onsite utilities management—a process that starts with those who run the reactors, right through to the team loading pallets on trucks. It’s our aim to support technical innovation while making sure our impact on people and the environment remains low.
After decades of direct involvement from process design to plant commissioning, we know that UV absorber performance doesn’t come together by chance. Success is driven by the combination of reliable raw materials, careful plant operation, and honest feedback from the application field. Our team walks the factory floor, talks with process engineers, and listens to feedback from everyone who touches, blends, or mixes our product into their workflow.
With UV Absorber 360, every formulation grew from practical tests, end-user input, and careful attention to the trade-offs that matter—low haze, strong hold under sun, minimal migration or fogging, and consistent, measurable protection as the years go by. We understand the reality of outdoor exposure and the downstream costs of early product failure. Through manufacturing oversight, continuous learning, and staying open to improvement, we bring this specialty additive to market not just as a commodity, but as a result of collaboration at every link in the supply chain.
By sharing what we learn from every production run and every partner trial, we keep raising the bar for light stabilization—always focusing on the details that extend product lifetimes, preserve appearance, and eliminate the costly headaches of premature fading, chalking, or brittle failures. For anyone ready to bridge the gap between laboratory promise and real-world endurance, UV Absorber 360 delivers a proven answer from a manufacturer who knows the journey from raw chemical to finished product, inside and out.