|
HS Code |
700234 |
| Product Name | Long-Term Weather Resistant UV Additive UV7187 |
| Appearance | White powder |
| Chemical Type | Hindered Amine Light Stabilizer (HALS) |
| Molecular Weight | High |
| Melting Point | 110-140°C |
| Solubility | Insoluble in water, soluble in organic solvents |
| Dosage Recommendation | 0.1-1.0% by weight in polymer |
| Thermal Stability | Up to 300°C |
| Light Stability | Excellent long-term UV protection |
| Compatibility | Suitable for polyolefins, PVC, PS, ABS, PU, and engineering plastics |
As an accredited Long-Term Weather Resistant UV Additive UV7187 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The Long-Term Weather Resistant UV Additive UV7187 is packaged in a 25 kg blue plastic drum with secure, tamper-evident sealing. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Long-Term Weather Resistant UV Additive UV7187: typically 10-12 metric tons packed in 25kg bags. |
| Shipping | **Shipping Description:** Long-Term Weather Resistant UV Additive UV7187 is packaged in sealed, UV-protected containers to prevent degradation. It should be transported as a non-hazardous chemical, kept away from extreme temperatures, moisture, and direct sunlight. Ensure upright placement during transit to avoid leaks or spills. Complies with standard chemical shipping regulations. |
| Storage | Long-Term Weather Resistant UV Additive UV7187 should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. Keep the container tightly sealed when not in use. Store away from incompatible substances and moisture. Recommended storage temperature is between 5°C and 35°C. Avoid prolonged exposure to air and high humidity. |
| Shelf Life | The shelf life of Long-Term Weather Resistant UV Additive UV7187 is 12 months when stored in a cool, dry, unopened container. |
Competitive Long-Term Weather Resistant UV Additive UV7187 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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Every day, sunlight takes a toll on plastics. Manufacturers see this during production lines, after shipments, and on finished parts sitting outdoors. Customers come back with requests: Reduce cracking, stop the fading, cut down on maintenance. Over time, even quality polyolefins, engineering plastics, or coatings lose their durability and appearance under UV. From experience in our own outdoor test fields and real-world feedback, we knew early solutions weren’t enough for long-haul needs. That need drove the development of UV7187, our long-term weather resistant UV additive, designed right in our chemical manufacturing plants using lessons drawn straight from years spent troubleshooting and refining UV protection for plastics and coatings.
A typical UV stabilizer offers some help for a season or two, often in gentle indoor settings. Once that product lands in subtropical sun, or starts seeing daily cycles of rain and drying, the weaknesses become obvious. UV7187 started on our pilot lines as a blend of both hindered amine light stabilizers (HALS) and advanced UV absorbers. This specific formulation came from batch testing in aggressive field trials—sessions where rivals yellowed and cracked within months. On plastics and coatings with UV7187, the color stays close to the original, and physical properties like tensile strength barely budge after the same time outside.
This UV additive fits for applications like outdoor furniture, automotive trim, construction materials, agricultural films, and power cable sheathing—products that spend years under direct sunlight, battered by wind and rain, and in many cases, see chemical cleaners. Our in-house testing skips gentle weathering labs and puts trial parts in realistic, high-stress settings. Our clients include manufacturers who got sick of field failures after a year and returned to us for something actually tested under those conditions.
So, what sets UV7187 apart from standard UV packages? Many generic additives claim “weather resistance” but start losing performance after several months outdoors. Standard benzotriazole-type or triazine-type UV absorbers break down or migrate within polymers, failing to stop the yellowing, or they fail to defend against the slow chain scission that robs plastics of their flexibility and impact strength. We’ve engineered UV7187 as a multi-component system, focusing on two things: long-lived protection against both UV-induced color loss and polymer degradation, and strong resistance to washout and migration inside tough resins.
In our field studies and customer production runs, a problem kept showing up with many commercial UV solutions: additives would leach to the surface, migrate out over time, or simply be consumed by the polymer’s oxidation. After two, sometimes three years of direct sun, the plastics would show cracks, brittleness, and color shift, often long before product replacement schedules. In response, we spent several development cycles re-formulating UV7187 with higher molecular weight stabilizers and co-additives that anchor inside the polymer matrix. That means less blooming to the surface, less loss during extrusion or molding, and most importantly, retention of strength and appearance for years.
On our pilot lines, we measure tensile elongation, impact strength, and color retention over thousands of hours in sunlight and repeated water cycles. After five years in open-air racks in regions with 3,000 hours of sunshine annually, plastics with UV7187 still keep their mechanical and optical properties well within original manufacturers’ tolerances. Most basic UV packages fall out after twelve to twenty months—something that came through loud and clear in both our own and customer tests.
Plastics and coatings producers, especially those exporting to South America, the Middle East, and Southeast Asia, came to us specifically after seeing failures at the two-year mark. By swapping in UV7187, these same clients reported product returns dropping to near zero, and the replacement intervals on farm films, architectural sheets, and outdoor gear stretching out by another two years or longer. Less frequent field failures and fewer complaints translated directly into better commercial reputation and cost savings for their operations.
Every additive affects how a polymer runs on a line. Our chemical engineers sit down with production supervisors to understand melt flow changes, pigment interactions, heat stability, and how much downtime a new formulation can cause. Earlier versions of UV systems, or off-the-shelf “weather packages,” caused everything from yellowing during compounding to screw build-up and unpredictable surface gloss.
Through hundreds of production trials, UV7187 earned its place as a trouble-free partner to PE, PP, ABS, PC, TPO, and PVC resins. We designed the additive’s melt profile and compatibility so lines run consistently, pigments disperse evenly, and surface finish stays smooth. No clumping, no unwanted surface hazing or phase separation. In the plant, that translates into less scrap, fewer shutdowns, and predictable outputs.
In practice, that’s meant cable manufacturers reporting longer extrusion runs and fewer surface defects. Pipe manufacturers saw less yellowing from heat during the intensive high-throughput production runs. Coating customers applying UV7187 to architectural sheets managed to maintain gloss and adhesion, while also passing accelerated weathering tests year after year.
We don’t just rely on accelerated lab aging or marketing claims. Our field test racks include real product samples, not just coupons, and we work with customers to pull, inspect, and mechanically test these pieces over multi-year periods.
In one comparative trial in a subtropical city with over 2,700 annual sunlight hours, UV7187-treated HDPE pipes retained color and flexibility after three years, with elongation falling less than 15% from baseline. Standard pipes with market UV absorbers lost up to half their flexibility and faded visibly within the same window. Polycarbonate glazing sheets treated with UV7187 stayed transparent and free from surface cracking after four seasons, compared to yellowing and microcracking seen in cheaper formulations after just one spring-summer-winter cycle.
Customers in the agri-films business found that with our additive, field films held mechanical strength and light transmission long enough to support multiple crop cycles, instead of degrading halfway through the season. In outdoor electrical enclosures, overall impact resistance and enclosure ratings didn’t change, even after years facing peak UV. Those results come from documented proof, not rubber-stamped accelerated testing or batch run claims.
Some industries simply can’t afford to have products fail in the field. Agricultural film producers, infrastructure construction teams, automotive part molders, and civil engineers care less about novelty and more about consistent, predictable performance. The feedback loop from these demanding users helps drive our continuous improvements to UV7187.
For example, automotive suppliers demanded a UV package that could keep textured components from chalking and fading, even in tropical or desert deployments. Building materials manufacturers required an additive that would help outdoor panels keep both gloss and strength in the face of acid rain, airborne particles, and year-round sun.
By listening directly to those users, running tests on our own end, and cross-checking those results on customer sites, we closed the gap between lab performance and real-world requirements. UV7187 was shaped by these partnerships, not just lab experiments.
Plastic waste and material loss aren’t just environmental concerns—they’re real costs for manufacturers, distributors, and users. Many companies started with basic UV blockers or low-cost light stabilizers, only to add up higher expenses down the road from field failures and warranties. Replacing products after sun-induced cracking or discoloration means more plastic in landfills, higher labor costs, and poorer brand reputation.
With UV7187, the longer lifetime of finished goods translates to fewer replacements, lower maintenance costs, and less pressure on waste streams. Some customers cut replacement frequencies in half. In agricultural applications, this means less downtime for sheet changes, and for infrastructure or building products, it means lower total environmental impact per installed meter or square foot.
From our plant’s perspective, every extra year of service reduces the carbon footprint per use, thanks to the reduced need for fresh production and shipping. These aren’t abstract claims—our own cost analyses and field data confirm the savings. Many customers use life cycle analysis tools to track how every year gained in field life boosts long-term sustainability metrics.
Years of running compounding lines, injection molding equipment, and extrusion presses taught us the quirks and limitations of generic UV additives. Not all stabilizers behave the same. Some migrate to the surface, some cause haze or muddle pigment brightness, and others lose their effect two summers in. For outdoor goods that must last, these small failures add up to costly batch rejections, unplanned warranty claims, and equipment downtime.
We keep an in-house team working directly with production plants—ours and those of industrial customers. That hands-on approach led to tweaks such as fine-tuning the molecular structure of UV7187’s stabilizers to keep additives in the polymer matrix longer, and adjusting the granule format so dosing is simple, accurate, and dust-free on the plant floor.
Our quality system traces every lot’s raw material back through our own reactors, so we can pinpoint performance problems and adjust the process before larger issues arise. That deep process control prevents blends from shifting, which matters for customers whose own production windows barely allow for re-testing.
On the user end, visual performance matters as much as mechanical properties. A patio chair, window profile, or solar panel frame that yellows or cracks after a summer disappoints the customer and damages the brand. Our clients—be they OEMs for outdoor furniture, or Tier 1 automotive parts suppliers—expect the finished product to look and perform like new for several seasons.
UV7187 outperforms generic UV blockers in keeping whites bright, car interior trims fade-free, and outdoor signage readable. Even with repeated washing, water exposure, and sun, the color-hold on finished goods tells its own story. Several large outdoor furniture firms, after switching to UV7187, reported sharp drops in after-sales complaints about discoloration, and their products held up better in showroom displays months after unboxing.
Maintenance teams appreciate not needing to replace cracked components or chase elusive sources of color change. In regions with harsh freeze-thaw cycles, polyethylene and polypropylene parts protected with UV7187 remain flexible and less prone to brittle fracture—a feature especially prized by rural infrastructure projects where replacement means hours of travel and labor.
We know that every resin, process, and end-use product brings its own specific needs. Unlike abstract academic recommendations, we base our usage guides on actual line trials, ongoing technical support, and repeat sampling with our customers. For heavy-gauge applications like large sheet extrusion or thick-walled pipes, we’ve helped optimize UV7187 dosing to get the balance between economics and performance—never too high to destabilize pigment, never so low as to invite premature degradation.
Transparent, pigmented, or filled compounds all need a slightly different stabilization approach. Our technical team works directly with mixers, extrusion, and molding operators at customer plants to ensure that Masterbatch or direct addition delivers the right dispersion and stability. The result: less process tweaking, more consistent finished product properties, and fewer troubleshooting calls from the field.
For expanded foams, specialty elastomers, PVC profiles, or multi-layer film, our team has guided producers in adjusting both additive levels and process parameters, based on real plant data and failure analysis—not textbook formulae. Each change builds on performance evidence and production realities.
Not every market offers gentle conditions. Regions with high UV index, rapid temperature swings, monsoon exposure, or airborne salinity put extra demands on plastics and protective coatings. Many so-called “outdoor grade” UV systems crumple when facing these challenges. UV7187 saw continuous evaluation in tropical, desert, mountain, and coastal climates through real deployments—not just lab racks.
Our team has documented performance of films, pipes, siding, and molded components in coastal Saudi Arabia, central Africa, and equatorial Latin America. In many cases, test samples and actual manufactured goods spent years outside with little evidence of chalking, embrittlement, or fading. These results bridge the gap between controlled test conditions and the uncertainties of field deployment.
Some clients in the renewable energy sector, for example, started using UV7187 on tracker panels. They reported sustained mechanical integrity and surface color, even as other plastics right next to them broke down from alternating rain and baking heat. That kind of field data, coming from operators who know their failed parts by heart, brings confidence that lab-tested formulations won’t let them down miles from the nearest troubleshooting tech.
Choosing a UV additive for outdoor goods isn’t a small decision. Many managers look at up-front material costs and are tempted to cut corners with basic weather packages. From the manufacturing standpoint, the cost of a subpar additive isn’t just in returned units: it’s lost contracts, wasted batch runs, unhappy end-users, and deteriorating brand trust.
We built UV7187 for companies that plan to stand by their products for years. By keeping replacement and warranty claims low, manufacturers get more predictable long-term costs, and users—be they a building contractor or farm operator—avoid hassle. Products built with UV7187 stand out on the job site or the store shelf well after cheaper goods have faded.
In our production lines and customer audits, the feedback is clear: longer field life isn’t theoretical. It’s a proven result that keeps business running smoothly, avoids downtime and strengthens both manufacturer and user reputations.
Manufacturing chemical additives isn’t about one-time batches or one-size-fits-all blends. Our technical and support teams use the feedback loop from field failures, customer requests, and our own test racks to keep UV7187 updated with new requirements. When customers needed protection against higher acid rain or smoke particle exposure, we adapted the co-stabilizer blend. Where processors aimed for low-VOC or food-contact applications, we ensured UV7187 met those health and safety targets.
This kind of close collaboration only works because our business model gives us end-to-end process oversight—from raw material selection through to customer technical visits. That deep involvement means quick implementation of improvements, traceable quality, and confidence that every kilo shipped meets the same real-world testing as our early production runs.
Every kilo of additive that leaves our plant carries the benefit of hard-won field data, direct manufacturing experience, and continual product evolution. UV7187 stands apart from run-of-the-mill UV stabilizers because it actually protects outdoor goods through harsh sun, wet/dry cycles, and multiple years of use. Our field-tested approach, manufacturing insight, and commitment to user feedback shape a product that gives manufacturers and end-customers relief from rapid product aging and failures. That’s an outcome that plant managers, quality supervisors, and end-users can see, touch, and rely on.