|
HS Code |
983479 |
| Chemical Name | 2-(2H-benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol |
| Cas Number | 52829-07-9 |
| Appearance | light yellow powder |
| Molecular Formula | C29H29N3O |
| Molecular Weight | 435.57 g/mol |
| Melting Point | 133-137°C |
| Solubility | insoluble in water, soluble in organic solvents |
| Odor | slight |
| Application | UV absorber for plastics, coatings, adhesives |
| Light Stability | excellent |
| Maximum Absorption Wavelength | ≈ 357 nm |
| Density | 1.19 g/cm³ |
| Storage Temperature | room temperature |
| Purity | ≥ 98% |
| Flash Point | >200°C |
As an accredited Light Stabilizer UV90 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Light Stabilizer UV90 is packaged in 25 kg net weight fiber drums with inner polyethylene bags for moisture protection and secure storage. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): Light Stabilizer UV90 is loaded in 20 kg fiber drums, totaling 9 metric tons per 20’ FCL container. |
| Shipping | Light Stabilizer UV90 is shipped in tightly sealed, original containers to prevent moisture and contamination. It is typically packaged in fiber drums or HDPE containers, each clearly labeled. During transport, the product should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances. |
| Storage | Light Stabilizer UV90 should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight, moisture, and incompatible substances such as strong acids or oxidizers. Avoid high temperatures and sources of ignition. Handle with appropriate personal protective equipment and keep the storage area clearly labeled to prevent accidental contamination or misuse. |
| Shelf Life | Light Stabilizer UV90 has a shelf life of two years when stored in tightly sealed containers under cool, dry conditions. |
Competitive Light Stabilizer UV90 prices that fit your budget—flexible terms and customized quotes for every order.
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As a manufacturer deeply invested in advancing polymer longevity, we recognize the relentless challenge ultraviolet light poses to plastic and coating performance. Light Stabilizer UV90 reflects a direct response to years of customer field feedback and our own lab observations. This product, designed with the oddity and unpredictability of outdoor environments in mind, has earned its place in polyolefin and engineering resin applications. We engineered UV90 for projects that need components to endure year-round sunlight, especially in climates prone to high UV index readings.
Many stabilization products on the market either focus on blocking UV at the surface or sacrificially degrade themselves. UV90 takes a different approach. During its development, we relied on a molecular weight profile that encourages both migration and permanence within the host polymer. This balance helps protect both the outer layer and the interior matrix. The stabilization process doesn’t exhaust itself prematurely. For producers, this means a product that resists yellowing, chalking, and surface cracking. Operators who've had batches returned due to fading or embrittlement know the costs of inferior stabilization. We've seen customers cut warranty claims nearly in half with proper use of UV90, particularly in high-value construction and agricultural films.
Over thousands of hours under simulated and real-world exposure, UV90 has maintained its integrity in polyolefin blends from film extrusion to sheet molding. It’s free-flowing, integrates easily at recommended loading levels (typically between 0.1% and 0.5% by weight), and shows compatibility with most common masterbatch carriers. The active ingredient exhibits high thermal stability, reducing risk of volatilization during high-temperature processing. We formulated UV90 to show minimal interaction with pigments, so color matching remains true—critical for appliance housings or automotive trim.
Often, clients working in outdoor furniture have dealt with a race between UV-induced fading and consumer satisfaction. Our own in-house trials, mirroring accelerated weathering devices with simultaneous heat and condensation cycles, guided our dosage guidelines. These standards are not arbitrary—they derive from actual resin performance in sunlight-baked regions. Customers in the southern United States, India, and Australia provided feedback on gloss retention and tensile strength after a year outdoors, supporting the decision to keep the hindered amine content at a precise ratio for durable protection.
From the outset, we designed UV90 with wide process window flexibility. It disperses rapidly, fits into both continuous and batch operational setups, and tolerates screw speeds suitable for large-volume extruders. Process engineers who’ve run lines for both clear and filled films have noted the reduction in die build-up compared to older stabilizers. Our own plant used to see lost time during color changes; UV90 helped cut cleaning cycles by resisting agglomeration along die lips and calendar rolls.
This stabilizer doesn’t have pronounced odor or cause visible blooming, which has been a sticking point for packaging makers. If your production involves frequent grade changes, you’ll appreciate not seeing haze or surface scurf after transitions. UV90 doesn't complicate batch formulation steps. Mix it at the let-down ratio your recipes demand, and it won’t react unpredictably with antistatic or antifogging agents. We've built our product line with the knowledge that operational downtime for quality troubleshooting hurts margins worse than a few extra cents per kilo in material costs.
We routinely test our own polymer blends for FTIR signatures after outdoor exposure. Films incorporating UV90 show a slower formation of carbonyl peaks, the chemical sign of polymer breakdown. We publish side-by-side comparison data from regional client samples who agree to the release. In one case, a polyethylene geomembrane embedded with our stabilizer retained 80% of its elongation at break after 2,000 hours of QUV-B exposure—a metric many specifiers reference for infrastructure grading.
Many customers once relied on legacy benzophenone or benzotriazole additives. These types address only the overt absorption of harmful wavelengths, sacrificing other important properties in the process. Hindered amine light stabilizers (HALS) change the industry standard, offering persistent free-radical scavenging throughout the plastic’s lifetime. Our UV90 takes this strategy a step further by tuning molecular size to resist migration out of the polymer during high-UV, high-heat service. Migration not only wastes material, it leaves polymer exposed at the surface—the exact spot you need protection.
Unlike standard HALS powders or granular blends sourced from offshore, UV90 is produced under controlled conditions that let us manage trace impurity levels and batch-to-batch variability. We have found even small variations in purity (down to 100 ppm) can impact melt flow and pigment interaction in some host resins. Our technical staff track these values every shift, and our internal product development team regularly conducts comparative tests against new imports and evolving local market competitors.
Some stabilizers—especially imported lower-grade types—show up in applications through increased plate-out or pigment interaction. Our own extrusion lab tracks haze development and surface resistance with different grades, and UV90 remains clean over processing campaigns that stretch across hundreds of line hours. This attention to side effects is a direct answer to problems we’ve encountered during years of line-side troubleshooting with customers. Polypropylene tapes and injection-molded parts can suffer from product spoilage due to additive-initiated discoloration; UV90 addresses these issues practically.
Our partners making greenhouse glazing and outdoor signage need confidence against extreme sunlight, repeated temperature swings, or chemical splash. In projects where failure demands not just replacement but regulatory reporting, we’ve seen UV90 maintain clarity and mechanical integrity through inspection cycles. Clients in coastal regions who face salt fog combined with UV attack rely on products that don't accelerate cracking or stress whitening. Our own accelerated salt fog/UV dual-exposure tanks have demonstrated service lifetimes greater than those based solely on standard UVB lamps—because real life seldom mimics laboratory shortcuts exactly.
We've supported manufacturers producing sports equipment, playground sets, and traffic safety gear—products out in the elements year-round. The biggest risk in these markets comes not from sudden failure, but from gradual embrittlement that slips past early visual checks. Our clients have sent us parts for analysis that resemble failures seen on unprotected or under-dosed batches, and we frequently trace root causes back to incorrect stabilizer selection rather than formulation error. UV90 stands out in these reviews by slowing microcrack development internally, well before external chalking shows.
As a chemical supplier with hundreds of metric tons moving into global markets annually, we handle regulatory demands at the formulation and finished-good level. UV90 meets established environmental safety standards, which we've confirmed with routine batch audits and independent lab verification. Additive compliance shifts yearly—both in Europe and across Asia. We keep up by adjusting process chains, qualifying alternate raw material sources, and submitting our products for third-party review. Many stabilizers on the market today struggle to achieve both price competitiveness and this level of scrutiny. Our customers, especially those exporting products, stay compliant because we keep our own certifications current.
Customers stepping up their product quality often need hands-on support through the conversion to higher-performance stabilizers. Our technical specialists spend time in production halls, not just in conference rooms, to troubleshoot line issues and recommend specific dosing and blending methods. We've learned that advice from the lab looks good on paper but has to stand the test of extruder start-ups, resin variability, and operator experience. Switching to UV90 often means adjusting feeder rates or pre-mixes, especially where resin grade changes frequently. We help manufacturers monitor resulting haze, gloss, and tensile properties batch by batch.
We share this knowledge directly because we understand how quickly cost savings can disappear in the face of production scrap or field failure. UV90 users benefit from a troubleshooting link back to our formulation chemists—real humans, not automated responses. Each time a new quality issue appears in a customer’s finished goods, we work together to isolate if the source sits in the resin, compounding, or additive blend. In the vast majority of cases, proper stabilizer selection eliminates repeat problems, and we keep detailed records of product changes and solutions for future reference. With decades in this field, we’ve seen how little tweaks, like drying conditions and blend ratios, influence final performance.
People outside of manufacturing often overlook the economic impact of choosing the right stabilizer. The initial cost per kilo of a specialty product such as UV90 might not look attractive alongside generic or bulk-market alternatives. Our experience proves, over long production campaigns, that fewer process interruptions, lower scrap rates, and higher customer satisfaction outweigh the up-front savings from low-performance additives. We've watched competitors lose longstanding contracts after persistent product returns or complaints from end-users—a direct hit to both reputation and margin.
Building facades, farm supply films, electrical conduit, and garden equipment—each demands a slightly different balance of UV protection with mechanical property retention. We've designed UV90 to fit a broad array of these scenarios, streamlining procurement and reducing the need for multiple stabilizer SKUs in a single facility. Procurement managers and technical buyers will recognize the value in long-term batch consistency as much as any laboratory statistic. As finish and color nuances have grown more exacting year by year, especially in consumer-facing products, stabilizer quality stands out as a differentiator.
Feedback from global partners drives continuous improvement. Large-scale film converters in southern Europe observed how UV90-curated blends extended field life by years in vineyard and greenhouse covers. Rather than relying on lab tests alone, we followed up with real-world installations and routine panel sampling, documenting subtle changes in tensile, clarity, and surface finish over each change of season. Agricultural applicators reported not just longer service—but reduced breakdown in mulch residues, addressing both property performance and environmental clean-up costs.
Injection molders making auto trim for tropical climates often struggle with pigment shade drift after UV exposure. Our direct collaboration with their color-matching teams showed how UV90 held original tone longer, taking process variables like cycle time and resin type into account. As OEM brands shift to longer-lasting, recycled-content specifications, we continue adapting our production process to ensure UV90’s chemistry maintains consistent color and gloss values—whether in virgin or secondary polyolefins. This has direct implications for sustainability programs and in-life recycling yields.
Another sector where we see unique needs lies in construction films and membranes for tunnels and bridges. Structural engineers and purchasing officers routinely drop by our pilot testing center to review new stabilization options, as construction project penalties for failing early tests can dwarf small material differences. With UV90’s tailored migration resistance, vapor barriers and waterstop films retain flexibility and color across both humid and cold climates, reducing the risk of structural degradation linked to UV-induced polymer loss.
Regulatory frameworks, especially RoHS, REACH, and regionally specific health standards, have grown more detailed in the last few years. Our customers often face abrupt shifts in approved chemical lists or updated emissions requirements. We maintain flexibility in our sourcing and synthesis steps so UV90 never surprises at audit time. We routinely update dossiers and proactively test for newly targeted impurities. Clients whose products risk rejection at customs or recall on compliance grounds have an ally in a manufacturer who takes such regular, transparent reporting as business as usual.
Market trends don’t stay still. Over the past decade, we’ve observed the growth of demand for both high-clarity and natural-look plastic products, more susceptible to photodegradation. We reformulated UV90, tracking changes in polymer starting materials as well as updates in pigment chemistry, so the stabilizer doesn’t accelerate yellowing in transparent goods—a recurring challenge even for name-brand additives. Whenever a sector requests lighter environmental footprints, such as construction with recycled-content plastics, we offer an established, thoroughly tested stabilizer. This spares manufacturers the risk of field failures as new resins and supply chains enter circulation.
Technical innovation in stabilization rarely succeeds in isolation. Our development team works closely with compounders, processors, and end-users to spot problems early. Resin variability and pigment changes can undermine even the best stabilizer, so frequent communication gives us both an extra layer of protection. We share batch performance histories, conduct joint trials using customers' own process equipment, and help develop custom recommendations for unique resin-pigment performance pairs.
In some markets, competition demands extra scrutiny of product lifecycle and environmental impact. We hold regular review cycles on UV90, documenting any ingredient or process changes with a mindset trained on long-term transparency. Expert collaboration, especially in regions with stricter green-label requirements, proves that stabilizer manufacturing isn’t just chemistry—it’s partnership. At every step, our experiences underline that manufacturers investing in better stabilization not only improve profitability, but future-proof their customer relationships as regulatory and consumer standards keep evolving.
We don’t treat light stabilizers as mere raw materials, but as critical components woven into a manufacturer’s promise of product performance. Light Stabilizer UV90 demonstrates our commitment—backed not only by technical credentials but by hands-on, real-world experience across multiple industries. With decades of direct manufacturing know-how, ongoing feedback from our worldwide customers, and an open stance toward changing standards, we support manufacturers seeking not just a stabilizer, but peace of mind in every finished part.