Browse our premium raw stock profiles and customized machining components engineered for extreme durability and precision control.
Understanding physical characteristics, homopolymer vs. copolymer variances, and mechanical capabilities for advanced engineering integration.
Polyoxymethylene (POM), commonly referred to as polyacetal, polyformaldehyde, or Delrin (a DuPont brand name), stands as a premier semi-crystalline engineering thermoplastic. In high-load, precision mechanical systems, POM is the ultimate choice for replacing structural metals due to its exceptional dimensional stability, high stiffness, low friction coefficient, and outstanding resistance to wear and fatigue. From micro-gears in consumer electronics to heavy-duty structural rollers in mining operations, understanding the chemical and physical characteristics of POM series material is vital for modern manufacturing environments.
When sourcing POM series raw stock, design engineers must choose between Copolymer and Homopolymer varieties. Copolymer POM (POM-C) offers superior chemical resistance to strong bases and thermal-oxidative degradation, along with higher resistance to hydrolysis in hot water environments. Homopolymer POM (POM-H), on the other hand, possesses slightly elevated tensile strength, stiffness, creep resistance, and hardness with a higher melting point, but is prone to centerline porosity when extruded in thick cross-sections.
| Material Property | Copolymer (POM-C) | Homopolymer (POM-H / Delrin) | Anti-Static ESD POM |
|---|---|---|---|
| Density (g/cm³) | 1.41 - 1.42 | 1.42 - 1.43 | 1.35 - 1.40 |
| Tensile Strength at Yield (MPa) | 65 - 70 | 75 - 80 | 55 - 65 |
| Flexural Modulus (MPa) | 2,800 - 3,000 | 3,100 - 3,400 | 2,500 - 2,900 |
| Water Absorption at Saturation (%) | 0.8% | 0.9% | 0.95% |
| Surface Resistivity (Ω/sq) | 10¹³ - 10¹⁵ (Insulative) | 10¹³ - 10¹⁵ (Insulative) | 10⁶ - 10⁹ (Dissipative) |
Equipped with 50,000 square meters of production capacity to satisfy OEM/ODM requirements with premium quality control.
Tianjin Beyond Technology Development Co., Ltd. is a comprehensive manufacturing enterprise specializing in engineering plastic materials and precision CNC machining. Established with a strong footprint in 2015, the company has gained more than ten years of practical experience in engineering plastics manufacturing and precision CNC machining, building robust capabilities in material processing, tolerance control, and large-scale industrial production.
BEYOND’s manufacturing base spans approximately 50,000 square meters and integrates compression molding and extrusion workshops, a precision CNC machining center, and a dedicated R&D facility. Outfitted with advanced international equipment—including compression molding and extrusion lines, gantry CNC lathes, gantry CNC milling machines, and large-scale CNC engraving systems—this integrated setup allows the company to ensure consistent quality, maintain efficient production, and deliver high-precision, large-volume, and customized products that meet the highest industrial standards.
Tianjin Beyond is committed to continuously improving its processes and technologies, providing reliable engineering plastic materials and value-added manufacturing services, serving as a dependable long-term partner for customers around the world. We operate strictly in accordance with the ISO9001 quality system, ensuring raw materials entering the factory, production processes, and finished goods undergo rigorous testing.
With certifications including ISO9001, SGS, and BV, Beyond ensures that its products conform to international requirements. We collaborate closely with top global raw material suppliers such as TICONA, LG, and Sinopec, while engaging in continuous collaborative research with academic institutions to pioneer advanced polymer formulations, ensuring our customers receive elite performance materials.
Harnessing advanced manufacturing clusters, premium raw materials, and optimized logistics for superior cost-to-performance ratios.
Our facility handles the entire lifecycle of engineering plastics. We process raw resins, extrude semi-finished rods and sheets, and run precision 3-axis, 4-axis, and 5-axis CNC machining centers under one roof, reducing secondary supplier markups.
Being a high-quality partner for global leaders like TICONA, LG, and Sinopec allows us to secure premium-grade resins at bulk price points, passing significant cost savings to our international buyers.
Located in Tianjin, a primary northern industrial hub and home to the major Port of Tianjin, we guarantee streamlined customs clearance, efficient ocean freight container shipping, and reduced inland logistics times.
Unlike standard suppliers who only provide raw sheets and rods, Beyond provides full CNC layout engineering, converting your standard CAD files (.stp, .dwg) into finished high-tolerance mechanical components.
How international enterprises leverage our POM profiles across diverse industrial landscapes.
Global procurement teams in Europe, North America, and Southeast Asia face complex engineering challenges. Material selection must satisfy strict regulatory baselines, environmental constraints, and structural performance requirements. POM series plastics are highly sought after due to their low moisture absorption, making them a superior alternative to Nylon in damp or submerged environments. They maintain precise dimensions even when subjected to continuous cyclic loads.
Used extensively in gearboxes, mechanical racks, pinions, and high-speed wear parts. The natural lubricity of POM ensures smooth actuation, reduces noise levels, and completely eliminates the need for external petroleum-based lubricants.
In semiconductor and PCB manufacturing, standard plastics accumulate electrostatic discharge (ESD) which destroys components. Our specialty ESD POM anti-static sheets prevent charge build-up, safeguarding sensitive assembly fixtures.
Copolymer POM options conform with FDA standards for direct food contact. They withstand repeated cleaning cycles with chemical solvents and hot steam without experiencing hydrolytic breakdown, ideal for food packing lines.
How we bridge the gap for localized technical support and ensure compliance with global certifications.
Procuring raw engineering plastic stock or finished machined parts from an overseas supplier presents compliance and engineering verification challenges. Tianjin Beyond bridges this gap with comprehensive localization support, ensuring that all drawings, material certifications, and environmental statements align with the buyer's local jurisdiction.
We run regular analytical tests on our POM series sheets and rods to ensure zero traces of hazardous substances. Complete RoHS compliance and REACH declarations are supplied with every raw stock shipment.
Our engineering office converts drawings between ISO metric units and US imperial standards. We machine to strict ISO 2768-m tolerances, guaranteeing that custom POM parts fit perfectly into local assembly lines.
Every shipment of extruded POM, PA Nylon, or UHMWPE sheet includes a certificate of analysis (COA) mapping density, tensile strength, and batch manufacturing parameters back to our raw materials.
Original Corporate Profile Reference: Premium products come from high-quality raw materials. Ya’an Times Biotech Co., Ltd. is located in Ya’an, Sichuan, where the altitude varies greatly from 525 meters to 7555 meters. The diverse landforms and ambient temperatures provide a proper growth environment for a large number of plants which are main sources of high-quality pure natural raw materials of our products. The raw material oils used in the production of essential oils, food and cosmetics are the second largest category of our products, such as camellia oil, eucalyptus oil, turmeric oil and pepper oil, etc. Times Biotech selects high-quality raw materials with high standards, strictly controls and supervises the whole production and extraction process, and adopts strict inspection standards to guarantee our oils to be the premium raw material oils which can be your best choice for your products.
How evolving technological landscapes demand next-generation performance modifications.
The global engineering plastics market is shifting toward modification and composite reinforcement. As industries like automotive and medical technology require lighter components, raw POM is often combined with other elements to enhance its performance. Reinforced variations containing carbon fibers, glass beads, or PTFE lubricants are becoming more popular, offering increased tensile stiffness and reduced wear coefficients. In addition, green initiatives are driving the demand for bio-based raw materials and closed-loop plastic recycling. In response, our facility continues to expand our scientific research into recycled POM polymers, ensuring sustainable material choices without compromising mechanical properties.
Formulating POM with glass fiber reinforcements (typically 10% to 30%) raises the continuous operating temperature limit and significantly increases stiffness, making it ideal for structural automotive parts under the hood.
As electronic devices shrink, mechanical parts like micro-gears must be machined to sub-millimeter scales. Copolymer POM's high structural integrity ensures clean edges and no fraying during high-speed CNC routing.
We are exploring partnerships with raw material suppliers to introduce bio-attributed POM, helping our global clients lower their Scope 3 carbon emissions without modifying their existing molds.
Clear, engineering-focused answers to common questions about POM material grades, tolerances, and properties.
From PP, HDPE, Nylon, and UHMWPE to complex gear designs, we deliver standard shapes and finished components.
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