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UV Absorbers Mfsorb 201/BP-2

    • Product Name UV Absorbers Mfsorb 201/BP-2
    • CAS No. 131-55-5
    • Chemical Formula C14H12O4
    • Form/Physical State Powder
    • Factory Site Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry sales3@liwei-chem.com
    • Manufacturer Anhui Liwei Chemical Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    102731

    Product Name UV Absorbers Mfsorb 201/BP-2
    Chemical Name 2,2'-Dihydroxy-4-methoxybenzophenone
    Cas Number 131-55-5
    Appearance Light yellow powder
    Molecular Formula C14H12O4
    Molecular Weight 244.24 g/mol
    Melting Point 154-157°C
    Purity ≥ 99.0%
    Solubility Insoluble in water, soluble in organic solvents
    Uv Absorption Maximum ≈ 288 nm
    Applications Plastics, coatings, adhesives, cosmetics
    Storage Conditions Store in cool, dry, well-ventilated area
    Stability Stable under recommended conditions
    Odor Odorless
    Synonyms Benzophenone-2, BP-2

    As an accredited UV Absorbers Mfsorb 201/BP-2 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging for UV Absorbers Mfsorb 201/BP-2 contains 25 kg, securely sealed in a durable fiber drum with inner plastic lining.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for UV Absorbers Mfsorb 201/BP-2: 10 metric tons (MT), packed in 25 kg fiber drums.
    Shipping The chemical UV Absorbers Mfsorb 201/BP-2 is securely packaged in sealed drums or fiber cartons, typically in 25 kg units. It should be shipped in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances. Proper labeling and handling measures ensure safe transportation and compliance with regulatory standards.
    Storage UV Absorbers Mfsorb 201/BP-2 should be stored in a cool, dry, well-ventilated area away from direct sunlight and sources of ignition. Keep the container tightly sealed and avoid exposure to moisture and incompatible substances such as strong oxidizing agents. Store at room temperature, and protect from physical damage. Ensure containers are clearly labeled and comply with safety regulations.
    Shelf Life The shelf life of UV Absorbers Mfsorb 201/BP-2 is typically two years when stored in cool, dry, and sealed conditions.
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    Certification & Compliance
    More Introduction

    Introducing UV Absorber Mfsorb 201/BP-2: Meeting Real Demands in Polymer Protection

    Factory Insight on UV Protection Needs

    We’ve seen plastic and coating failures from sunlight exposure happen all too often. Manufacturers lose money on faded outdoor furniture, car parts show brittle spots, and packaging turns yellow before products even hit shelves. As a chemical manufacturer, we work directly with processors, not just laboratories and sales teams, so we know the real-world challenges. Weathering stands among the toughest adversaries for polymers—UV rays break down polymer chains, weaken structural integrity, and change appearance quickly. Our UV absorber Mfsorb 201/BP-2 addresses these exact pain points from a production standpoint.

    Real-World Challenges in Polymer Applications

    Polymeric materials require long-term stability. Customers come to us after their products crack or yellow six months after launch. Traditional stabilizers sometimes fail to keep up with environmental stress, especially in regions with intense sunlight and high temperatures. Over the years, experience has shown that a chemical’s performance on paper often diverges from its durability on actual parts. Our teams have conducted continuous field trials and collaborated with processors to identify weak spots in plastic products—car dashboards, synthetic leathers, transparent films, garden equipment, and industrial coatings all surfaced as vulnerable categories. In these cases, BP-2 brings significant improvements when compared to legacy solutions.

    What Makes Mfsorb 201/BP-2 Stand Forward

    Mfsorb 201/BP-2 uses 2,2′,4,4′-Tetrahydroxybenzophenone at its core. What matters most is how it absorbs UV light across a broad range, protecting substrate molecules before degradation starts. Some stabilizers only cover a narrow fraction of UV radiation, leaving blind spots that turn into visible damage. Our chemists focused on maximizing absorption in the critical range of sunlight associated with polymer breakdown. We put the product through accelerated aging tests alongside unbiased market samples to check for resistance to yellowing, embrittlement, and loss of gloss on both clear and pigmented substrates.

    From a production perspective, Mfsorb 201/BP-2 offers strong solubility in common polymer matrices, which means processors can integrate it into resins and coatings without complex pre-treatment. Speaking with production engineers, the ease of mixing factors heavily into batch consistency and repeatable product quality. With some UV absorbers, viscosity spikes or incompatibility issues lead to downtime and rejected lots. Over years of feedback, we’ve refined our product’s particle size and purity to avoid such risks, transforming manufacturing lines from trial-and-error into predictable, repeatable runs.

    Specifications Built for Industry

    Our process achieves high chemical purity and controlled moisture content. We monitor these parameters from raw material handling to final packaging. Purity stands above 99%, limiting unwanted side reactions during extrusion or molding. Our finished powder shows a slight pale-yellow tint, but it’s transparent enough that optical clarity remains high even at typical loading rates. Polymer engineers who work in extrusion and molding lines appreciate consistent melting behavior and color. Moisture content stays below 0.5%—we know elevated water can destroy polycondensation polymers and cause voids, so every batch runs through moisture checks as part of our QC.

    Mfsorb 201/BP-2 disperses uniformly whether processing in polyethylene, polycarbonate, PVC, or acrylics. In heavily pigmented or filled systems, the absorber integrates without lumping or stratification. Practical feedback from molding supervisors confirms that our powder doesn’t clump in hoppers or feeders, which keeps metering smooth. The melting point exceeds 185°C—high enough for most thermoplastics without risking pre-melt or degradation. In extrusion lines, screw speed and dispersion haven’t raised alarms based on our after-sales technical visits. We also confirmed compatibility through hundreds of pilot-scale and full-line runs to address the needs of mass production, not just laboratory samples.

    Usage Insights from Our Processing Partners

    Manufacturers ask exactly how to get the best performance from Mfsorb 201/BP-2. From real production data, typical use levels land in the 0.1% to 0.5% range by weight, depending on UV intensity and expected lifespan. Outdoor use demands closer to 0.4–0.5% to withstand years of direct sunlight without visible breakdown or gloss loss. For less demanding indoor products, smaller doses maintain transparency and surface quality for years. Our technical teams run compatibility trials with both fresh and reprocessed resin—whether injection molding or film extrusion, the product maintains performance after multiple heating and cooling cycles. Dispersal puts no extra stress on extruder screws or injection barrels. Downstream, we confirm retention of protection in warehouse-stored and shipped products, closing the feedback loop from plant to end user.

    One reality we’ve faced is the shift to transparent, high-value packaging, where yellowing can tarnish expensive products nearly overnight. Beverage bottles, cosmetics jars, and electronics housings now require crystal-clear plastics that also last in retail settings. Our experience has shown that BP-2 leaves minimal hue, even at higher loading levels, so clarity isn’t compromised. This wasn’t always true for early-generation absorbers, which forced users to pick between strength and looks. Today, processors ask for both, and Mfsorb 201/BP-2 delivers based on years of formulation tweaks and field data.

    How BP-2 Compares to Other UV Absorbers

    Not every stabilizer fits every process. Some types cover only specific UV bands; others drop out in tough processing environments. Mfsorb 201/BP-2’s broad spectral protection makes a clear difference for formulators dealing with mixed substrates or unknown environmental conditions. Our production records prove its use extends across automotive body parts, industrial panels, agricultural films, indoor home goods, and consumer electronics. This versatility outperforms absorbers restricted to a single resin or weather profile.

    We sometimes meet customers still using older grades with limited water resistance or which degrade during processing. Mfsorb 201/BP-2 offers greater thermal stability for high-temperature applications—no early breakdown or release of degradation byproducts that cloud the resin. The product avoids migration and leaching issues common with certain organic absorbers, especially in demanding outdoor environments or in food-contact packaging. Our development teams directly tracked migration rates under continuous high-humidity storage and shipping, reporting stable results even after months under stress.

    On a cost-performance ratio, processors who switch from imported blends or generic powdered mixtures to our factory-made Mfsorb 201/BP-2 report more predictable product lifespans. This has let customers reduce overengineering margins, which cuts material costs and waste. Manufacturers looking to certify products for safety and shelf-life requirements—in sectors as diverse as toys, automotive, and medical devices—find it easier to meet international standards with our stable, proven absorber, confirmed by production and field performance logs.

    The Importance of Direct Manufacturing Expertise

    Few suppliers gain insight from factory lines and shipment feedback. As direct producers, we watch how real formulations perform from plant to point of sale. Field failures reach us first. Processors count on fast troubleshooting when something goes wrong—sticking, clouding, or yellowing isn’t “someone else’s” problem. Our technical service engineers run test lines and rework lots to recover batches when raw materials vary. Each year, we tweak our particle size, purity, and logistics approach based on direct plant and customer input. We build improvements directly into every drum and package leaving our sites.

    Every new batch follows strict documentation and process checks. This approach gives customers production stability when switching from batch to batch or scaling from pilot runs to full lines. Automated feeding and blending become routine, with no surprises in filter pressure or metering. We follow up with processors in automotive, electronics, agricultural, and packaging lines to learn where challenges appear. This feedback cycle keeps our product updated, not static or generic.

    FAQ Based on Common Customer Issues

    Over years of trials, a few core issues stand out: thermal stability, clarity maintenance, migration in food-contact goods, ease of compounding, and resistance to weathering cycles. Rather than generic advice, our fixes target root causes based on plant experience.

    How does BP-2 perform in high-speed extrusion or molding?

    In modern thermoplastic lines, high shear and temperature fluctuations can degrade certain absorbers or cause them to plate out. Mfsorb 201/BP-2 has survived through test runs at 230°C and above, with no clogging or drop in absorption. The melting behavior avoids pre-melt in hoppers, preserving product flow and consistency. Technicians don’t need to tinker with cycle times or screw speeds after switching to BP-2, which we check via in-line quality monitoring and after-sales support.

    Is BP-2 suitable for food packaging or toys?

    Safety requirements keep evolving. Our product avoids heavy metals and restricts migration below critical levels. Third-party testing under FDA and EU food-contact protocols show absence of regulated impurities, which means processors gain peace of mind during audits or certification. The product’s chemical stability means it doesn’t break down when exposed to fatty foods or mild acids. We invested in line trials with flexible pouches and blow-molded bottles, confirming product safety far beyond what generic additives provide.

    What about clarity for thin films or transparent parts?

    Modern packaging lines run at micron-thin tolerances. Users need additives that don’t distort light or haze clear surfaces. Mfsorb 201/BP-2 maintains high transparency even at higher dosage, thanks to precision-controlled particle size and purity. This lets specialty film producers and display manufacturers preserve clarity under tough UV conditions—results shown in test lines with PET, polycarbonate, and PMMA. Consumer complaints about yellowing or haze dropped sharply after switching to BP-2, according to customer feedback groups.

    How does BP-2 handle repeated heating cycles?

    Recycled and reprocessed plastics keep gaining ground, which subjects additives to more thermal abuse. Our trials in remelting and re-injection lines show minimal loss in absorption and no decomposition. This helps maintain protection in recycled packaging or automotive components, extending useful life and reducing replacement rates for sustainability-focused processors.

    What sets production-scale batches apart from lab samples?

    Scale brings surprises—mixing, granulation, and handling can all trip up additives that work fine in a beaker. We follow up with production audits at customer sites, checking for settlement, metering issues, or mixing inconsistencies. In full-scale compounding lines, Mfsorb 201/BP-2 integrates smoothly in pre-mixes, masterbatches, and direct addition setups. We fine-tune our raw material sourcing and moisture control to match the realities of hot, humid storage and long-haul shipping. Customers report low agitation needs, minimal filter blockage, and uniform delivery across both slow and high-speed lines.

    Environmental Focus and Regulatory Shifts

    The environmental landscape changes every year. Manufacturers demand safer, less persistent chemicals as part of their ESG commitments. Traditional UV stabilizers sometimes contain heavy metals or degrade into harmful byproducts, a growing concern for waste management and recycling. Mfsorb 201/BP-2 follows strict production rules to guarantee minimal environmental footprint—free from halogenated solvents and persistent organic pollutants. We designed recovery and safe disposal steps right into our production processes.

    Recent regulatory moves across Europe, the Americas, and East Asia have tightened controls on harmful additives in consumer and industrial products. Our product passes required safety, toxicity, and migration standards for major markets with a full compliance file available for review. Certification costs and delays often trip up launches for manufacturers using off-the-shelf or blended imports. We help customers navigate the compliance maze directly—aligning both material and documentation with up-to-date requirements.

    Supporting the Future of Polymer Applications

    Consumer needs and industry standards keep rising. Products must last longer, look sharper, and meet new regulatory benchmarks. From our manufacturing floor, Mfsorb 201/BP-2 has grown alongside evolving demands. Feedback from processors confirms it handles new and recycled resins, clear and pigmented systems, and diverse manufacturing technologies without setbacks. Real chemical engineering, rather than lab-only theory, shapes every adjustment we make. We trace every order from raw material delivery to customer shipment, offering real accountability. The result brings more reliable, longer-lasting protection for polymers in the toughest sunlight and weathering environments.

    Continuous Improvement Through Industry Partnerships

    Manufacturing doesn’t end at the factory gate. Each new installation, each changed product, exposes new demands. Technicians and engineers call us with last-minute shifts in resin suppliers, process lines, or end-use demands. Our approach focuses on partnership, not one-size-fits-all supply. Each year, joint evaluations and custom trials deepen our knowledge base, which then guides improvements in BP-2 and how it’s delivered. In the last few years, demand has shifted from basic commodity packaging to high-value engineering parts for vehicles, infrastructure, and complicated multi-layer films. Investments in lab and field testing have paid off—BP-2 balances the requirements for both high clarity and rugged, long-lasting protection.

    Our role involves more than chemical reactions or purity certifications. It means accountability in the face of product failures, direct troubleshooting, and continuous conversation with those running the lines and handling the real risks of evolving market demands. As the market expands, clarity, safety, and lasting UV resistance shape the next generation of chemically protected plastics. Mfsorb 201/BP-2 is the result of decades of direct, factory-driven experience—made for processors who expect reliable, predictable, and consistent results, batch after batch.