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HS Code |
103140 |
| Product Name | UV Absorber UV-327 |
| Chemical Name | 2-(3,5-di-tert-butyl-2-hydroxyphenyl)-5-chlorobenzotriazole |
| Cas Number | 3864-99-1 |
| Molecular Formula | C17H18ClN3O |
| Molecular Weight | 315.80 g/mol |
| Appearance | Light yellow powder |
| Melting Point | 154-158°C |
| Solubility | Insoluble in water, soluble in organic solvents |
| Purity | ≥ 99% |
| Uv Absorption Maximum | approximately 303 nm |
| Application | Plastics, coatings, and polymer materials |
| Density | 1.24 g/cm³ |
| Storage Condition | Store in a cool, dry place |
| Packaging | 25 kg fiber drum |
As an accredited UV Absorber UV-327 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | UV Absorber UV-327 is packed in 25 kg fiber drums, lined with polyethylene bags, ensuring safe storage and transport. |
| Shipping | UV Absorber UV-327 is typically shipped in 25 kg fiber drums or bags with inner polyethylene liners to protect from moisture and contamination. It should be stored and transported in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and incompatible materials. Handle with appropriate safety precautions. |
| Storage | UV Absorber UV-327 should be stored in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and incompatible substances such as strong oxidizing agents. Keep the container tightly closed when not in use to prevent moisture absorption and contamination. Store in original, appropriately labeled containers, and avoid exposure to excessive humidity and temperature extremes to maintain product stability. |
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Purity 99%: UV Absorber UV-327 with purity 99% is used in polycarbonate automotive headlights, where it ensures superior ultraviolet resistance and material clarity retention. Melting Point 155°C: UV Absorber UV-327 with a melting point of 155°C is applied in high-temperature resistant polyurethane coatings, where it maintains consistent photostability during thermal processing. Molecular Weight 351 g/mol: UV Absorber UV-327 with a molecular weight of 351 g/mol is utilized in clear PVC films, where it provides optimized compatibility and reliable long-term UV protection. Particle Size ≤5 μm: UV Absorber UV-327 with particle size ≤5 μm is incorporated in transparent polyethylene packaging, where it ensures uniform dispersion and minimal haze formation. Stability Temperature 240°C: UV Absorber UV-327 with a stability temperature of 240°C is used in polyester fibers, where it offers excellent resistance to degradation during high-temperature fiber extrusion. Volatility Low: UV Absorber UV-327 with low volatility is applied in exterior architectural coatings, where it minimizes migration and ensures prolonged UV shielding under outdoor conditions. Solubility in Polymer Resin: UV Absorber UV-327 with high solubility in polymer resin is utilized in ABS engineering plastics, where it provides homogeneous protection and reduced yellowing. Light Transmittance >98%: UV Absorber UV-327 with light transmittance >98% is used in optical lenses, where it preserves transparency and protects against UV-induced discoloration. Thermal Stability High: UV Absorber UV-327 with high thermal stability is employed in polypropylene automotive interiors, where it withstands prolonged exposure to elevated temperatures without loss of efficacy. Hydrolytic Stability Excellent: UV Absorber UV-327 with excellent hydrolytic stability is utilized in outdoor polycarbonate sheets, where it resists moisture-induced breakdown and extends service life. |
Competitive UV Absorber UV-327 prices that fit your budget—flexible terms and customized quotes for every order.
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People rarely think about sunlight when shopping for plastic goods, but anyone who’s left a garden chair outside for a couple of summers knows that sun turns sturdy materials brittle. Fading, yellowing, cracking—this is what consumers face from ultraviolet exposure. In the manufacturing industries I’ve worked with, extending the life and look of plastics means using specialized additives, and that’s where UV-327 steps in. Real damage from sunlight doesn’t just hurt appearance; it impacts safety, function, and trust in the product. Over the years, I’ve watched manufacturers test dozens of additives, looking for ways to slow down damage while keeping costs in check. UV-327 tackles this problem head-on, and the science behind it deserves a closer look.
UV-327 doesn’t just show up as another chemical in the long list of ingredients. It’s a benzotriazole-type light stabilizer, and its influence runs deeper than many realize. I’ve sat in production meetings where quality concerns came up, and more than once, a bad batch was traced back to cut-rate UV stabilizers failing during actual field use. UV-327 brings stability to the table, helping plastics stand up to outdoor conditions and high heats, especially in demanding environments like automotive trim or electronic casings.
While reviewing samples alongside factory engineers, the differences become clear. Some UV absorbers break down early, either under repeated sunlight or during the plastic shaping process. UV-327’s melting point and volatility mean it sits tight in the material, hanging on even when temperatures climb. This means manufacturers don’t need to keep adding more during production, which, in my experience, lowers waste and reduces surprises in final inspection.
Walk into any plastics plant, and workers spend more time on keeping batches consistent than any other job. Whether dealing with polyethylene, polypropylene, ABS, or polyurethane, the enemy is always the same: sunlight. Fading and chalking don’t just make products look old — I’ve seen how they raise returns and complaints, and in some industries, create safety issues. For example, dashboard components exposed to heat need to stay tough and accurate in color. In cable insulation, electricians expect plastics to stay flexible and maintain properties after long exposure. These aren’t wishes; they’re baseline needs in the eyes of everyday users.
I remember visiting a factory that produced plastic films for packaging. They had tried other UV stabilizers, but the outcome reached only halfway. Edges became brittle, color quality slipped, and the shelf life dropped by months. Swapping in UV-327 improved both shelf appeal and performance, meaning retailers had less stock to throw away. Sometimes, just a small improvement in stabilizer chemistry pays back many times in the supply chain.
The UV absorber market is crowded, so people often ask: Is one really different from the next? In practice, quite a few options compete on price, but real value shows itself in long-term product performance. Take, for instance, benzophenone-based absorbers. They do clean up some ultraviolet, but their lower stability makes them disappear from plastics over time or when exposed to higher temperatures. That vanishing act leads to products aging faster and failing sooner, which brings its own headaches in warranty costs and reputation loss.
Comparisons with hindered amine light stabilizers (HALS) sometimes come up. While HALS keeps polymer chains from breaking, UV-327 actually absorbs harmful rays before they start damage. From a maintenance perspective, using both can offer a combined approach, but UV-327’s power lies in snatching up energy before the polymer takes a hit. In all the product trials I tracked, blends using a solid UV-327 base tended to outlast simple single-additive recipes, especially in products where clarity, gloss, and color fidelity matter to the end user.
Factories don’t choose additives in a vacuum. Operators care about how the material runs through their machines, how finished parts look coming off the line, and whether calls from unhappy customers increase or shrink with a new batch. With UV-327, most complaints I’ve heard stem from trying to cut corners elsewhere. If the dosing is right and material purity remains high, processing trouble shrinks and post-production failures drop. That’s worth real money on every shift.
Sooner or later, some engineer, purchasing agent, or plant manager will ask, “Is it worth the investment?” Cheap additives look good in a spreadsheet, but no one wants to answer for recalls or products that can’t stand up to summer sun. UV-327 brings peace of mind, particularly in longer-lasting products. I’ve seen companies switch after field results prove the higher up-front cost pays out over years — not just months — of product life.
Product life expectancy gets tested in the real world, not just in labs. Temperature swings, exposure to rain, urban smog, and hours of pounding sunlight all stress plastics. Looking at durability reports and project timelines, UV-327 keeps its edge thanks to high thermal stability. Industries that require frequent cycles of heating and cooling, or products that get baked in transport containers, benefit from this kind of resilience.
With some stabilizers, the big challenge is called “migration.” Over time, additives drift to the surface and either evaporate or wipe away. This leaves the plastic below exposed and vulnerable. In my review of aging tests, UV-327 attaches well within most polymer structures, so it doesn’t run off or fade quickly. Manufacturers see less need for repeated treatments or coatings, which saves time for workers and stretches budgets.
Color protection stands as a hidden victory. Manufacturers want bold hues to last, as fading gives buyers a sense that something is cheap or old, even if it’s brand new. With plastics used in everything from packaging to vehicles, UV-327 helps companies promise performance that matches the first impression at purchase.
Today’s market expects safer chemistry, because attention on both environment and health keeps growing. In my experience, no one wants to be on the hook for releasing risky components. Regulations in Europe and North America tighten every year. Additives with high toxicity or those that leach nasty chemicals out into the environment face bans and lawsuits. UV-327’s structure offers the right balance—strong enough to do the job, with a safety profile that meets strict standards for consumer and industrial products alike.
The trend toward recycling puts its own pressure point on plastics. Additives that don’t hold up over repeated melting and reforming can hinder recycling processes or create unpredictable properties in re-used materials. In test cases I’ve watched, plastics protected with UV-327 usually keep better mechanical strength and elasticity through cycles, so recycled goods don’t suffer obvious drop-offs in performance.
Every production team wrestles with costs. Additives sit in that frustrating territory between raw material prices and warranty costs. Skimp on the right light stabilizer, and returns soar; overspend, and budgets get axed from above. UV-327 hits a sweet spot in masterbatch and compound production, striking a balance between loading rate and protective effect. Workers like it, because dosing doesn’t require constant monitoring and there’s less surprise in quality control checks. In real terms, less downtime means safer jobs and fewer overtime headaches.
Color matching teams get an added bonus. Since UV-327 doesn’t throw unwanted tints into base polymers, color recipes need fewer corrections. I’ve sat with colorists who use spectral analysis, and seeing less shift from UV inhibitor means products move from R&D to production more quickly. Speed at this level often goes unnoticed by upper management, but it makes a difference on the factory floor.
People outside the plant don’t always connect their experience to a hidden stabilizer, but the effect ripples out. Outdoor furniture that keeps its bright color, toys that don’t go chalky, and automotive parts that hit the right gloss all send a message of quality. Surfaces feel smoother, stays intact under rough handling, and doesn’t crack or flake as fast as the cheaper plastics. Over the years, stories from long-term customers always circle back to satisfaction that lasts.
Some industries, like cosmetics and medical equipment, measure reputation by the little details. When a clear plastic bottle looks hazy after a few weeks, that’s a big knock against the brand, especially in the age of online reviews. I’ve worked with teams who treat a single negative post like a crisis. A UV absorber like UV-327 helps hold the line, making sure first impressions carry through until the package or product is finally retired.
After years watching trends, I see plastics chemistry getting smarter and greener, not just cheaper. Research pushes for additives that work in lighter, thinner products, or under even harsher conditions—rooftop solar panels, electronic screens, medical gear. Future improvements to UV stabilizers must address shifting safety expectations, increasing demands for recyclability, and complex blends of old and new polymer types.
Transparency in supply chains gets more attention, too. End users want to know where things are made and what chemicals touch their products. Having worked with distribution teams, I recognize the pressure to certify every material. UV-327’s proven track record helps with certifications and lowers paperwork headaches, making it easier for brands to keep trust without bottlenecks.
Perfection is always out of reach. Costs go up for any chemical that works really well, and in markets where margins are slim, buyers look for cheaper substitutes. I’ve seen batches switched out for unknown generic UV absorbers sourced from across the globe. This gamble often backfires: warranty claims multiply, and overall confidence drops. It’s a cycle that repeats until someone recalls why higher standards matter in the first place.
Finding the right loading rate takes some trial and error. Too little additive leaves plastics exposed; too much can waste money or complicate processing. Experience counts. Engineers rely on production record-keeping—I’ve watched seasoned staff scribble down results and tune recipes batch by batch. Shortcuts create confusion and mistakes, so sticking with proven materials like UV-327 means more predictable scaling from pilot runs up to mass production.
Instead of chasing the lowest price, some plants begin with small doping runs, testing out UV-327’s blend with their specific plastics and colorants. Data from weathering trials and accelerated sunlight chambers helps teams tune their formulas. Teams who share data with suppliers often come up with better recipes, as feedback moves up and down the chain. These partnerships save time and reduce drama down the road.
Continuous training makes a difference. Workshops on additive dosing, quality assurance, and troubleshooting help operators spot early warning signs and fix process hiccups before goods ship to customers. From experience, shifting focus to prevention rather than reaction cuts costs in the long haul. Teams that use robust stabilizers like UV-327 have more time to dial in process efficiency, rather than chasing down defects.
Looking at the bigger picture, the plastics industry stands at a turning point. Waves of regulation, customer feedback, and new markets raise the bar. Some companies dive ahead by documenting their additive choices and sharing sustainability stories with buyers. Others are forced to change after negative press or regulatory action.
In many markets, outdoor plastics help shape infrastructure, from road safety devices to electrical enclosures. Using better UV protection like UV-327 doesn’t just delay replacement costs; it keeps products safer and more dependable for longer periods. People might not notice when infrastructure just works, but they complain loudly when cracked plastics create risks or eyesores in the community.
Any claim about product longevity or performance needs more than marketing words. In manufacturing circles, third-party validation through real-world trials, certifications, and customer testimonials shapes reputation. UV-327 has track records in diverse settings, which matters more than promises on a data sheet. Over time, supply chains shed unreliable additives in favor of those with proven backstories.
New entrants to the market sometimes focus only on price or ease of sourcing. In my time working with both established brands and fresh startups, the companies that weather market shifts best keep their focus on end-product reliability and strong supplier relationships.
UV-327 provides more than sun resistance—it opens up chances for plastics to last longer, look better, and contribute less to waste and recalls. As the world leans into longer-lasting goods, every stabilizer matters more. Those companies who look beyond the sticker price, invest in real quality, and keep their recipes updated with science stand to build stronger, more trusted brands.
Consumers demand performance, safety, and environmental responsibility. Regulators keep up the pressure as well. It pays—both in trust and in dollars—to invest in proven ingredients. UV-327 shows how practical improvements at the molecular level ripple out to keep products performing, companies growing, and communities safer.