|
HS Code |
119164 |
| Product Name | FORNAPLUS UV-770 UV Absorber |
| Chemical Family | Hindered Amine Light Stabilizer (HALS) |
| Cas Number | 52829-07-9 |
| Appearance | White to light yellow powder |
| Molecular Weight | 480 g/mol (approx.) |
| Melting Point | 110-130°C |
| Solubility | Insoluble in water, soluble in organic solvents |
| Purity | ≥ 99% |
| Application | UV stabilizer for polymers and plastics |
| Main Function | Provides protection against UV degradation |
| Recommended Dosage | 0.1-1.0% by weight |
| Compatible Polymers | Polyolefins, polystyrene, ABS, PVC, etc. |
| Storage Conditions | Keep in cool, dry, well-ventilated area |
| Packaging | 25 kg fiber drum or as required |
| Shelf Life | 2 years under recommended storage |
As an accredited FORNAPLUS UV-770 UV Absorber factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | FORNAPLUS UV-770 UV Absorber is packaged in a 25 kg fiber drum with inner polyethylene lining for secure storage and transport. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for FORNAPLUS UV-770 UV Absorber: 10MT per 20-foot container, packed in 25kg fiber drums. |
| Shipping | FORNAPLUS UV-770 UV Absorber is shipped in sealed, tightly closed containers, typically 25 kg fiber drums or cartons lined with plastic bags. The product should be stored and transported in a dry, cool, and well-ventilated area, away from moisture, direct sunlight, and incompatible substances. Handle with appropriate safety measures. |
| Storage | **FORNAPLUS UV-770 UV Absorber** should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. Keep container tightly closed when not in use. Avoid moisture and incompatible substances such as strong oxidizing agents. Store in original packaging or suitable, labeled containers to prevent contamination and degradation of the product. |
| Shelf Life | FORNAPLUS UV-770 UV Absorber typically has a shelf life of 12 months when stored in a cool, dry, unopened container. |
Competitive FORNAPLUS UV-770 UV Absorber 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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Day after day, our production lines handle truckloads of polyolefins, engineering plastics, and specialty resins. Anyone who has mixed up color batches or run extrusion for film knows the lengths we go to for keeping these polymers stable and good-looking under sunlight or harsh lighting. Years ago, the choices for UV stability were fewer, and we lived with trade-offs: migration problems in polyolefins, yellowing in sensitive compounds, and difficulty blending UV additives without impacting processability. FORNAPLUS UV-770 UV Absorber emerged from real-world manufacturing hurdles—tackling those old laminated film failures and chalked outdoor parts we all remember.
Our chemists and line operators here have spent thousands of hours observing how various UV stabilizers perform during extrusion, molding, and even compounded pellet storage. In the 770 grade, the goal was always clear: stop light-induced chain scission and discoloration, especially in demanding polyolefin systems, without driving up manufacturing complexity or material costs. Unlike generic benzotriazole stabilizers that sometimes fail in thicker or darkly pigmented components, FORNAPLUS UV-770 leverages the strength of the HALS (Hindered Amine Light Stabilizer) family. This difference shows itself right on the factory floor—less yellowing, fewer physical property drops after accelerated aging, and no stress over migration or exudation, even with contact-sensitive surfaces.
Our product lines don’t work on laboratory idealizations. FORNAPLUS UV-770 comes as pellets or fine powder, both optimized for consistent dosing through feeders and masterbatch lines. We push for purity and tight molecular weight control, and that pays off in fewer feeding jams, less static cling, and easier cleaning at color changes. How much do we recommend? Our process trials show 0.1 to 0.5 parts per hundred resin for most polyolefins, and we get similar results whether in BOPP film, HDPE blow-mold, LLDPE cable jacket, or injection-grade TPOs. Those numbers reflect machine realities—downtime for cleaning, melt flow consistency, and minimizing plate-out. Years spent resolving tricky plate-out issues on clear films or triple-layer extrusions taught us these details save time and money down the line.
Typical analytical work on finished goods, using FT-IR scanning and QUV weathering cycles, proves FORNAPLUS UV-770 resists leaching. Customers producing clear containers or exterior panels always ask about volatility and color drift, especially after extended UV exposure. Our in-house weathering racks and third-party lab validation show the absorber retains effectiveness for thousands of hours with minimal color shift. Those results hold in rigid items, blown film, or even foamed constructions.
Some of the most stubborn UV problems show up in polyolefin-based outdoor furniture, greenhouse films, and all-weather cable jacketing. Many products start strong, but early yellowing, brittle fracture, or surface cracking turns up much sooner without the right stabilizer. We’ve worked directly with film extruders pushing for both clarity and strength in BOPP, and wire manufacturers demanding long-term flexibility under sun and heat. FORNAPLUS UV-770 delivers on both.
Customers tell us their older UV absorbers often failed at the weld line or edge trim—places where material got thinnest or temperature fluctuated most during extrusion. Other stabilizers tended to break down under higher processing shear or migrated out of thin sections, especially after high-heat sterilization or printing. Because FORNAPLUS UV-770 is based on a HALS backbone, it keeps scavenging free radicals even after prolonged heating, drawing on the experience our team has built up handling polyolefin resins from primary cracking through finished goods. This makes it resilient both under process heat and sun exposure, reducing scrap rate on tough-to-produce profiles.
Our manufacturing plant houses both pilot lines and commercial scale lines, so we test FORNAPLUS UV-770 from small film layers up to automotive bumper runs. Production engineers want reliable dispersibility—it is no use if the additive clumps together and leaves voids or streaks. From our firsthand batch extrusion trials, the pellet version feeds cleanly at variable screw speeds, reducing the chances of cold spots or incomplete melt. In multi-layer co-extrusions, it blends smoothly with base resins as well as color and antistatic masterbatches. These operational realities shape the product far more than abstract claims.
Productivity has always mattered at our shop. Each stoppage for an unplanned clean-out or color drift means lost revenue. By sticking to high-purity syntheses and well-chosen processing aids, FORNAPLUS UV-770 keeps those lines moving. The low volatility means operators aren’t opening hoods and smelling odors, and customers downstream don’t call with migration complaints from blister-pack contact. There’s a genuine peace of mind in tracking color retention and mechanical properties in our own testing yard rather than relying on supplier wishful thinking.
Experience taught us not all HALS additives are created equal. Some grades on the market degrade under prolonged melt, or cause loss of flow in laser marking or surface printing. FORNAPLUS UV-770 sidesteps these legacy issues by building on a 2,2,6,6-tetramethylpiperidine structure, which gives it strength against oxidation while resisting thermal breakdown during mixing. In the real world, that means fewer call-backs from customers when batch performance drifts over time. Our team regularly reviews comparative data from automotive weathering standards and exterior artificial aging; over long cycles, FORNAPLUS UV-770 cushions the drop in both yellowness index and tensile strength.
Unlike competitors focused on surface passivation, our approach centers on stabilizing the polyolefin matrix itself. This prevents deep-seated microcrack formation, which commonly leads to brittle failure in high-stress outdoor items. We have records from greenhouse sheet producers documenting years-long resistance to embrittlement after switching over from older benzophenone-based absorbers. Stability after deep-dye or surface coating is another win—whether in colored pipe, lab bench film, or toy applications, we see less migration and better property retention than legacy absorber types.
Many customers come with legacy setups—some still run old single-stage extruders, others run ultra-fast blown film lines where residence time for additives is cut to a couple of seconds. We designed FORNAPLUS UV-770 for this messy reality, not just textbook conditions. Production leads have walked us through catastrophic yellowing on bright-white pipes caused by subpar UV blockers, or shrinkage lines on automotive panels showing missed stabilizer zones. Each time, feedback from those production trials found its way into our own product optimization.
We often troubleshoot right on the shop floor, monitoring resin temperature and line speed, adjusting our dosing, and evaluating the aged color chip results ourselves. It’s this hands-on approach—mixing with our own hands, logging lab data, and adapting to each machine’s quirks—that keeps improvements practical, not theoretical. For extrusion and molding, we’ve confirmed batch compatibility with colorants and flame retardants through direct tolerance trials, ensuring manufacturers don’t get unwelcome surprises halfway through a long run.
With regulations getting tougher—think EU directives on chemical migration and America’s growing focus on food-contact plastics—manufacturers now weigh more than just performance. Over the last five years, we’ve run full migration and extractables testing on FORNAPLUS UV-770 under customer-requested use conditions. Results from solvent migration, HLPC analysis, and accelerated food simulant contact show migration values below accepted safety thresholds, reflecting our commitment to responsible chemical usage. We push for closed-loop production and reduction of side-product waste in our facilities, both for cost reduction and safety. Our plant regularly upgrades containment and vent scrubbing; this serves both the bottom line and the needs of downstream users trying to reduce their product’s environmental impact.
There’s also recycling to consider. Old-style stabilizers sometimes complicated regrind streams with color or odor issues; our latest quality control tests confirm that film and blow-mold goods stabilized with FORNAPLUS UV-770 can be reprocessed twice without obvious yellowing or mechanical loss. This fact keeps our partners in compliance with environmental milestones, reduces inventory losses, and cuts landfill costs.
Nothing tests a UV absorber quite like a year spent in direct sun on a southern wall or cable install. Our long-term customers—especially film manufacturers making everything from mulch sheeting to stadium seating—demand real performance over months and years. Their annual maintenance and replacement cycles provide the truest feedback on whether additives like FORNAPLUS UV-770 live up to the promise.
One film line operator in Southeast Asia gave us a detailed two-year weathering report after switching to FORNAPLUS UV-770, noting a clear decrease in failure bands at roll edges. The operator credits this to our stabilizer’s ability to handle melt shear at high throughput, leading to more uniform aging. On another front, a cable producer in the Middle East shared data on abrasion and flexibility under midday temperatures over 50°C, reporting a measurable decline in embrittlement and cracking in jacketing layers compared to the prior system. These are real results, not lab proclamations, and our support team collects this data point-by-point from live installations rather than retrospective surveys.
Everyone feels the pressure of cheaper commodity absorbers, especially during tight procurement cycles. Yet the hidden costs of using such products—scrap, field failure, customer returns—can be far higher over time. We’ve analyzed direct competitors in parallel production on our casting and molding lines and mapped surface properties, gloss retention, and impact strength after QUV and natural aging. FORNAPLUS UV-770 continues to outperform, holding color and mechanical integrity longer, and with fewer processing surprises than low-cost alternatives.
The iterative feedback loop from our shop to yours means each issue gets logged and each solution is rolled back into our production protocols. Our engineers frequently advise on compound adjustments for challenging applications—high pigment load, mixed stabilizer systems, or short-run custom parts—so that the UV protection fits your real-world formulations. Years of manufacturing experience shaped every production batch of FORNAPLUS UV-770, from the early raw material checks to the final compatibility certificate.
Automotive suppliers bring requests for advanced weathering resistance under both sun and ozone, especially for exterior grilles and mirrors where failure means warranty claims. Here, our HALS-based FORNAPLUS UV-770 consistently checks off the requirements for gloss, color shifting, and tensile retention under rapid cycle conditions. Agrifilm converters, on the other hand, want toughness under sunlight and droplets, but also demand clean color for clear light transmission—our weathered samples show that the stabilizer doesn’t interfere with infrared and photosynthetic efficiency in greenhouse sites.
For infrastructure plastics—water pipe, urban signage, and bridge encapsulation—demand for extended colorfastness and crack suppression keeps growing. Our in-house and joint testing facilities regularly pit FORNAPLUS UV-770 against chlorine bleach, acid rain simulants, and even salt fog to confirm stability. These accelerating stresses mirror real field conditions reported back by maintenance crews and city engineers, not textbook scenarios. Our promise holds up where it counts.
We built our product through thousands of cycle runs, failure analysis on customer returns, hands-on fixes, and continual dialogue with processing engineers around the globe. Each production ton of FORNAPLUS UV-770 carries with it incremental improvements—a tweak to particle size here, a shift in reaction temperature there—derived from close attention paid to how the stabilizer integrates into daily production challenges. Data from actual resins, not just cast films in the lab, determines our final manufacturing criteria.
As regulations evolve, and as climate and customer use demands grow more complex, we continually adjust synthesis and quality control. The endgame is a UV stabilizer that not only survives the production gauntlet but also stands tough under relentless sun and real worksite abuse. FORNAPLUS UV-770 is more than a supplier’s promise—it’s the result of accumulated factory expertise, customer trust won job by job, and a manufacturing commitment to genuine performance in the field.