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As a specialized manufacturer with extensive experience in high-performance engineering plastics, Shanghai Yunshan Plasticizing Co., Ltd. is proud to introduce our premium POM C9021 High-Performance Resin. Engineered specifically for demanding mechanical applications, this acetal copolymer resin delivers the exceptional dimensional stability, low friction, and outstanding wear resistance required for precision components like gears and bushings. We understand that reliability in motion-critical parts is non-negotiable for our B2B clients, which is why our POM C9021 is formulated to provide consistent performance, reduce maintenance cycles, and enhance the longevity of your final products.
Our commitment at Shanghai Yunshan Plasticizing is to supply materials that empower innovation and efficiency in manufacturing. Sourced and processed with stringent quality controls, this resin is a trusted solution for engineers and designers seeking a balance between high mechanical strength and excellent processability. Choosing our POM C9021 means investing in a material that helps minimize energy loss through friction, ensures quiet operation, and withstands repetitive stress, making it an ideal choice for automotive, industrial automation, consumer appliances, and other precision engineering fields.
Core Technical Specifications & Advantages:
The superior performance of POM C9021 resin stems from its optimized polymer structure. Below are the key characteristics that define its capability:
Exceptional Mechanical Properties: Offers high stiffness and rigidity, providing excellent load-bearing capacity for gears and structural bushings without significant deformation.
Superior Tribological Performance: Inherently low coefficient of friction and high resistance to abrasion make it perfect for moving parts in contact, reducing wear and the need for external lubrication.
Remarkable Dimensional Stability: Very low moisture absorption ensures that parts maintain their precise dimensions and tolerances even in varying humidity conditions, which is critical for gear meshing and assembly.
Good Chemical Resistance: Resists a wide range of chemicals, including fuels, solvents, and neutral detergents, ensuring longevity in harsh operational environments.
Excellent Fatigue Endurance: Can withstand repeated cyclic loading, making it highly suitable for gears and bearings subject to continuous motion.
Ease of Processing: Designed for efficient injection molding and extrusion, allowing for high-speed production of complex, precision parts with excellent surface finish.
Detailed Parameter Table:
| Property | Test Standard | Typical Value | Unit |
|---|---|---|---|
| Tensile Strength (Yield) | ISO 527 | 62 | MPa |
| Flexural Modulus | ISO 178 | 2600 | MPa |
| Izod Impact Notched (23°C) | ISO 180 | 7.5 | kJ/m² |
| Coefficient of Friction (Dynamic) | - | 0.15 - 0.35 | - |
| Melting Point | ISO 11357 | 165 | °C |
| Water Absorption (Saturation) | ISO 62 | 0.8 | % |
Benefits for Your Application:
For Precision Gears: Ensures quiet, efficient power transmission with minimal backlash and high resistance to wear, leading to longer gear life and reduced noise pollution in assemblies.
For Bushings & Bearings: Provides a self-lubricating surface that reduces friction, lowers operating temperatures, and eliminates the need for frequent grease replenishment, lowering maintenance costs.
For Manufacturers: The excellent flow characteristics and fast cycling times during injection molding translate to higher production output, lower energy consumption per part, and improved overall manufacturing efficiency.
For Product Designers: Enables the design of lighter, more compact mechanisms due to its high strength-to-weight ratio, allowing for innovation in product size and functionality.
Operating from our facility in Shanghai, a major hub for industrial supply and logistics, Shanghai Yunshan Plasticizing Co., Ltd. leverages its strategic location to ensure reliable and timely delivery of materials to both domestic and international partners. Our focus on consistent quality and technical support for high-performance polymers like POM C9021 has established us as a dependable supplier in the engineering plastics sector. We invite you to experience the difference that a precisely formulated material can make. For technical data sheets, samples to test in your application, or to discuss custom formulations, please contact our team. Let us help you build more reliable, efficient, and durable mechanical components with our high-performance POM C9021 resin.
Frequently Asked Questions (FAQ)
Q1: What is the main difference between POM C9021 and other POM grades?
A1: POM C9021 is an acetal copolymer known for an excellent balance of properties. It typically offers better thermal stability and hydrolysis resistance compared to some homopolymer POMs, along with good mechanical strength and processability, making it a versatile choice for precision parts.
Q2: Is this resin suitable for food contact applications?
A2: The standard POM C9021 grade is not specifically designed or certified for direct food contact. For such applications, specialized food-contact compliant grades would be required, which can be discussed as a customization option.
Q3: Can I use POM C9021 for parts exposed to high temperatures?
A3: POM C9021 has a continuous use temperature of up to approximately 90°C. For applications involving sustained higher temperatures, alternative high-temperature engineering plastics should be considered.
Q4: Does it require drying before processing?
A4: Yes, like most engineering plastics, POM C9021 is hygroscopic. It is recommended to dry the resin before processing (e.g., 2-4 hours at 80-90°C) to prevent surface defects and ensure optimal mechanical properties in the finished part.
Q5: Is it possible to add colors or additives like glass fibers?
A5: Absolutely. Our POM C9021 resin can be compounded with a wide range of color masterbatches. Additives such as glass fibers, PTFE, or silicone for enhanced lubrication are also available upon request to tailor the material for specific performance needs.
Q6: What are the typical tolerances achievable for molded gears?
A6: When processed correctly, POM C9021 can achieve tight dimensional tolerances, often in the range of ISO IT7-IT9 for gear features, thanks to its low shrinkage and excellent dimensional stability. The exact achievable tolerance depends on part design, mold quality, and processing parameters.
Q7: How does its wear resistance compare to metals like bronze?
A7: While metals like bronze are excellent bearing materials, POM C9021 offers a compelling alternative with self-lubricating properties, lower density, and corrosion resistance. In many non-extreme load/speed applications, it can provide comparable or superior wear life without external lubrication, reducing system complexity.
Q8: What is the minimum order quantity (MOQ) for this resin?
A8: Our standard MOQ is one pallet, but we are flexible and can discuss sample quantities for testing and evaluation. Please contact our sales team for specific packaging options and quantity-based pricing.
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