|
HS Code |
837960 |
| Chemical Name | Polyoxymethylene |
| Common Name | Polyacetal |
| Type | Homopolymer |
| Density G Cm3 | 1.42 |
| Melting Point Celsius | 175 |
| Tensile Strength Mpa | 60-70 |
| Elongation At Break Percent | 10-50 |
| Flexural Modulus Mpa | 2500 |
| Impact Strength Izod J M | 70-90 |
| Water Absorption Percent 24h | 0.2 |
| Maximum Service Temperature Celsius | 100 |
| Dielectric Strength Kv Mm | 20 |
| Coefficient Of Linear Thermal Expansion 1 C | 110 x 10^-6 |
| Hardness Rockwell M | 90 |
| Color | Natural (opaque white), can be colored |
As an accredited HOMO POLYACETAL(POM) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The Homo Polyacetal (POM) is packaged in a 25 kg net weight, moisture-resistant, white polyethylene bag labeled with product details. |
| Container Loading (20′ FCL) | **Container Loading (20′ FCL):** HOMO POLYACETAL (POM) is typically loaded as 16-18 metric tons packed in 25kg bags on pallets or loose. |
| Shipping | HOMO POLYACETAL (POM) is shipped in tightly sealed, moisture-resistant bags or containers to prevent contamination and moisture absorption. Typically transported in 25 kg bags or bulk containers, it should be stored in a cool, dry place, away from direct sunlight and strong oxidizing agents, ensuring safety and product integrity during transit. |
| Storage | Homo Polyacetal (POM) should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat to prevent degradation. Keep it in tightly sealed containers to protect from moisture absorption. Avoid storage near strong acids, bases, and oxidizing agents. Ensure the storage area is equipped with suitable fire extinguishing equipment as POM is combustible. |
| Shelf Life | Homo Polyacetal (POM) typically has an indefinite shelf life if stored in cool, dry conditions away from direct sunlight. |
Competitive HOMO POLYACETAL(POM) 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
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We have been in the chemical manufacturing field for decades, starting when polyacetal engineering plastics were just emerging as the answer to a new set of industrial problems. Our team has seen the broad shifts in the global plastics market: the evolution of automotive electrification, food packaging safety standards, and the constant push for stronger, more reliable, and process-friendly materials. Through it all, we’ve connected closely with end-users in technical workshops, listened to what works on actual factory floors, and adapted our manufacturing line to those realities.
The process to make homo polyacetal (POM)—also called polyoxymethylene—is exacting. Our team emphasizes process hygiene, careful temperature control, and resin purity every step, starting from raw material selection. We draw on years of operational experience, running our reactors and extruders to get consistent melt flow, so the polymer chains line up well, giving finished parts extra resilience and strength. Those qualities don’t appear by luck or accident; they arrive only with disciplined production and many rounds of hands-on quality checks.
Industrial users care about performance, reproducibility, and cost-effectiveness. Our main homo POM line delivers a consistent melt flow rate and mechanical property set—toughness coupled with natural lubricity, which cuts down on both premature failure and maintenance hours in moving plastic parts. Our standard granules are off-white, with optional color compounded grades based on demand.
For customers producing precision gears, pump components, sliding bearings, or snap-fit parts, we offer grades spanning a range of melt indexes, so mold-filling under high-speed conditions goes smoothly but still leaves parts with the right balance of rigidity and impact resistance.
We publish reliable spectroscopic analysis and batch test results because users making intricate housings or tight-tolerance clips need high purity, low moisture pickup, and the absence of contaminants. We always welcome plant production audits from downstream factories — our lines are engineered for transparency and repeatable quality, so you can see what’s behind your resin order.
When we talk to customers—from automotive system suppliers to electronics molders—the need for an engineering plastic that balances machinability with dimensional stability comes up year after year. Homo POM delivers exactly that, time after time. Its simple, high molecular weight structure brings low friction and strong wear resistance, so gears or bushings keep working through thousands of cycles without sticking, heating up, or twisting out of shape.
Homo polyacetal handles Acetal’s usual chemical resistance in a straightforward way, fighting off most oils, greases, solvents, and common fuels found in mechanical assemblies or under the hood. Its limited water absorption keeps part sizes predictable, even after years of field service or in humid climates, and users can trust that assemblies hold their original snap-fit or press-fit tightness.
Downstream processors frequently remark on the way our homo POM granules deliver a steady, smooth feed into injection machines. Low warp and reduced sink marks, even for thicker-walled parts, cuts back on production rejects and the headaches that follow.
Market demand sometimes moves back and forth between homo and copolymer POM, but each material carves out its own territory. Our homo polyacetal stands out for its elevated stiffness, surface gloss, and high fatigue endurance—qualities that copolymer grades can’t quite match. When users machine tiny gears requiring precise tooth engagement, the rigidity and clean finish of homo POM is difficult to achieve with alternatives.
Copolymer POM grades compete well in applications needing a bit more thermal stability under hot water or hot air, or where a slight improvement in toughness at low temperatures makes the difference. Still, where there’s a need for crisp machining, resistance to fatigue cracking under repeated loading, and low creep in clutch parts or actuator links, our homo POM grades lead.
Customers with experience across both types often tell us: copolymers handle aggressive pH environments better, but strict tolerances and clean surface features emerge best from homo POM. In automotive HVAC levers, printer drive gears, door lock cams, conveyor chain links, the sharpness and repeatability of a well-calibrated homo polyacetal resin let downstream production lines run longer between stops.
Drawing on decades of applied experience, we see our homo POM grades become the standard in precision parts: micro gears inside automotive actuators, seat belt mechanisms, consumer electronic hinges, and countless food contact components like beverage valve bodies and dosing pumps. Users in the food industry rely on our careful production to meet migration standards and avoid taste or odor transfer, while automotive engineers point out the improvements in NVH (noise, vibration, harshness) when our polymer replaces metals or brittle plastics in gear trains.
Medical device OEMs contact us for stable, high-purity lots that can take repeated disinfection without crazing or crevice formation. In water supply applications—like metering valves and filter heads—installers praise the dimensional stability after dozens of freeze-thaw cycles, along with resistance to scale or biological fouling over years of use.
We field ongoing requests for technical data, plant tours, and resin samples from partners building lightweight drone parts, smart appliance linkages, or industrial feeding systems. The feedback reinforces what long-time users have learned: the combination of easy machinability, consistent mechanical properties, and a glossy, low-friction surface solves real-world production and design problems.
Molders and fabricators tell us that the ease of processing often makes or breaks a shift. Our homo polyacetal flows evenly into detailed cavities, forms tight corners, and releases from molds cleanly. Routine purging schedules control buildup, and our resin grade’s controlled molecular weight distribution means machinists face less burring and less need for secondary finishing.
Enthusiastic feedback comes in from toolmakers machining precise bushings, valve seats, or gear racks with our material. Shavings stay tight, surfaces emerge smooth, and part breakage rates drop compared with less consistent engineering plastics. There's rarely a need for complex drying protocols or extensive oven cycling; the resin’s natural low affinity for water means fewer surprises and better up-time.
Blending and compounding also go faster. Additive compatibility is predictable; filled and lubricated POM compounds mix well and keep their flow rates and mechanical strengths in line with the requirements of the application. Part design support is part of our DNA: we put technical teams on site when new launch programs demand tweaks to resin formulation or molding conditions to solve short shots or flow lines.
One global printer manufacturer recently adopted our high-stiffness grade to mold minute drive gears for an updated feed mechanism. They eliminated the deformation that previously caused printer jams during heavy duty cycles. Our technical service engineers, working closely during their production trial, helped fine-tune the venting and gating in their multi-cavity molds, taking full advantage of our resin’s flow and shrinkage profile.
An automotive supplier building seat adjuster paddles replaced a previous copolymer grade with our homo POM, reporting measurable improvement in paddle snap retention and a clear reduction in squeaks over a thousand adjustment cycles. Customers in the food and beverage equipment segment point to successful long-term use in beverage valves: repeated actuation in high-humidity, warm conditions with no POM swelling, warping, or taste issues.
Each production line and every toolroom teaches us new lessons. Our direct engagement with end-user teams—maintenance, toolmaking, QC labs—lets us refine our grades in ways that spreadsheets or lab reports never can. Resilience in downstream injection lines, productivity gains, and fewer warranty returns drive our approach to continuous improvement.
Chemical manufacturing draws increasing scrutiny regarding sourcing, environmental management, and traceability. We design our processes to create transparency from the raw feedstock to the finished POM granule. Each batch produced receives a unique identifier to support lot traceability, critical for the automotive, electronics, and appliance segments that demand tight supply chain certification.
Our factory teams invest in emission controls, solvent recovery, and water reclamation systems engineered to minimize the environmental impact. Materials teams source acetal feedstocks from proven, audited partners. We've adopted closed-loop cooling and cleaning cycles to reduce water and power use per kilogram produced.
Sustainability does not mean compromise. Our homo POM process has been fine-tuned over years for high conversion efficiency, so less waste heads to disposal, and throughput keeps climbing. Safety and environmental audits shape both line upgrades and annual operating plans; our internal teams meet regularly to share lessons from each compliance round, discussing both what works and where redundancy or new systems bring added value.
Our philosophy: consistency trumps grand claims. Every pellet leaving our plant is backed by process oversight—records from each batch, operator checks, and regular outside sampling keep the line on track. We’ve invested in melt flow rate analyzers, particle contamination detection, and gloss measurement, not because the market asked but because we know from years of experience where problems arise.
Line operators and maintenance teams share data directly with our technical managers. If a blend shift, color deviation, or unexpected mechanical test result appears, the full team investigates and identifies root causes by hands-on sampling, not just paperwork. End-user feedback gets fed into our continuous improvement cycle.
Being a direct manufacturer, we trace each issue back to its source, fix problems rapidly, and learn from each event rather than pushing responsibility downstream. Our legacy with global and regional OEMs rests not just on chemical or mechanical test numbers, but on daily performance in real-world manufacturing conditions.
Our longest partnerships began with a customer calling technical support or sending a team to our manufacturing site. These conversations—often informal, always direct—bring improvements. Die designers show us worn-out parts, small manufacturers bring real-cycle test failures, and multinational suppliers share lessons on tolerances, outgassing, or field wear. Our internal engineers and polymer chemists run hands-on trials, sample variations, and provide direct feedback—no long waits, no intermediaries.
We know how valuable those discussions are. Many product tweaks, small and large, come straight from end-users. They teach us about mold venting, metal-to-plastic conversion challenges, and how even ambient humidity in a warehouse or the smoothness of a conveyor affects finished part quality.
No marketing team or outside copywriter can deliver the same depth of knowledge. We document what we see, invite users to walkthroughs, and take every customer complaint as a direct input to future product and process changes. It’s not a cadence or a “customer-centric strategy”; it’s how we work, how we stay in business, and how we keep our reputation sharp.
Anyone who manufactures engineering plastics at scale will face surprises—an unexpected reactor upset, a bad raw material batch, or a tricky mold that exposes limitations in resin flow or part shrinkage. We don’t hide those moments. Instead, we invite field engineers and customer QC teams to visit, watch our processes, and help us drill down to causes.
We hold daily plant meetings, encourage operator feedback, and celebrate quick fixes and root-cause analysis equally. A technical hotline links us directly with customer mold rooms; if a problem pops up in a shift, we log it, sample the affected resin, and send technical staff both to the customer floor and back to lab analysis.
Our ability to bridge the gap from chemistry to processing to finished part quality keeps customers coming back. We recognize downtime costs our users real money—if a gear skips, a valve jams, or a batch of housings fails pressure test, blame and finger-pointing won’t get the line moving again. Only hands-on investigation, transparency, and a direct manufacturer-to-user link brings issues to resolution.
Our teams work closely with resin R&D and application engineers around the world. Material science keeps moving—lighter, tougher, more sustainable is the ongoing challenge. We're piloting production trials with bio-based acetal monomers to cut our reliance on traditional fossil sources, and we run field tests for next-generation stabilizers that could extend part life in aggressive environments.
Automation and digital line monitoring keep raising our quality ceiling. In-line spectrometry, camera-driven contamination checks, and robotic pellet transfer cuts both labor skill requirements and defect rates. Our latest upgrades give more production data per shift—so if something strays from target, real-time alarms reach the control room, not hours later.
We know end-users want greater transparency, verified supply chain sustainability, and direct access to technical help. Our development path includes improved product documentation portals, on-site training for key customers, and faster response times from our field support staff.
Our future plans include more investment in closed-loop recycling: we're determined to reclaim scrap, build out post-industrial collection programs, and develop new grades from recycled POM—without sacrificing the mechanical standards our users count on.
As the producer of homo polyacetal, we stand behind each batch that leaves our facility. We serve not only as suppliers but as technical partners, troubleshooting advisors, and innovation collaborators. Every success story from the field, every improvement in line consistency or end-use part quality, has roots in our factory's day-to-day discipline and the lessons we've drawn from experienced users worldwide.
We remain focused on what brings real value: a product that molds and machines reliably, stands up to field stresses, and supports new manufacturing trends—from 3D printing prototypes to lightweight, enduring consumer goods. We invite you to visit, ask questions, and discover what a committed manufacturer-to-customer relationship with homo polyacetal can accomplish.