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As a specialized supplier of high-performance engineering plastics, Shanghai Yunshan Plasticizing Co., Ltd. is proud to offer Celanese C27021 Wear Resistant Acetal Copolymer (POM). This premium material is engineered specifically to address the critical challenges of friction, wear, and abrasion in dynamic mechanical components. Located in the industrial hub of Shanghai, we combine global material expertise with local supply efficiency to deliver solutions that enhance the durability, reliability, and performance of your sliding parts, ultimately reducing maintenance costs and improving product lifespan.
In demanding applications where parts are in constant motion—such as gears, bearings, bushings, guides, and seals—ordinary materials can fail prematurely. C27021 stands out by offering a significantly enhanced wear resistance profile compared to standard acetal copolymers. This translates directly into longer service life, reduced downtime for equipment, and lower total cost of ownership for our B2B clients in manufacturing and assembly.
The core value of this product lies in its balanced property set: exceptional wear resistance is coupled with the inherent advantages of POM, including high strength, rigidity, good fatigue endurance, and excellent dimensional stability. It is a material designed not just to survive, but to perform reliably under continuous mechanical stress.
Detailed Product Characteristics & Technical Specifications:
Superior Wear and Abrasion Resistance: The C27021 grade is formulated with modifications that drastically reduce material loss due to sliding friction. This is critical for components operating without external lubrication or in harsh environments.
High Mechanical Strength and Stiffness: It maintains the high tensile strength and rigidity characteristic of acetal copolymers, ensuring parts can withstand significant loads without deformation.
Excellent Fatigue Endurance: The material can endure repeated cyclic loading, making it ideal for parts like gears and linkages that experience constant stress variations.
Low and Stable Coefficient of Friction: Provides smooth sliding characteristics, which can contribute to smoother operation and reduced energy consumption in mechanisms.
Good Chemical Resistance: Resists a wide range of solvents, oils, and mild chemicals, preserving integrity in industrial environments.
Outstanding Dimensional Stability: Low moisture absorption and high creep resistance ensure that parts maintain their precise shape and dimensions over time and under load.
Predictable Processing: As a thermoplastic, it is suitable for efficient injection molding and extrusion, allowing for the production of complex, high-volume parts with good reproducibility.
Key Advantages & Benefits for Your Application:
Extended Component Lifecycle: Parts made from C27021 last longer, reducing the frequency of replacement and associated labor costs.
Enhanced Equipment Reliability: More durable sliding parts mean less unexpected failure and downtime for entire machinery systems.
Potential for Design Simplification: The improved wear performance may allow for designs with less reliance on complex lubrication systems.
Cost-Efficiency over Long Term: While the material may have a premium, the total cost savings from reduced maintenance and replacements are significant.
Performance in Dry or Limited-Lubrication Conditions: Excellent performance even where lubrication is minimal, contaminated, or undesirable.
| Property | Typical Value/ Range | Test Method / Notes |
|---|---|---|
| Tensile Strength | 60 - 70 MPa | High structural load capacity |
| Flexural Modulus | 2800 - 3200 MPa | Provides high stiffness |
| Coefficient of Friction (Dynamic) | Low | Against steel; promotes smooth sliding |
| Wear Resistance Index | Significantly Improved | Compared to standard POM grades |
| Melting Point | ~ 165 °C | Typical for acetal copolymer |
| Specific Gravity | ~ 1.41 g/cm³ |
Note: Specific values for C27021 can vary based on processing conditions. Detailed technical data sheets are available upon request.
Shanghai Yunshan Plasticizing provides not just the material, but support. Our role as a supplier in Shanghai's robust industrial network ensures reliable access to this specialized grade. We understand that implementing a new material requires confidence. Therefore, we are prepared to offer technical consultation regarding processing parameters, potential design adjustments, and compatibility with your existing production systems to facilitate a smooth integration of C27021 into your manufacturing process.
Choosing Celanese C27021 Wear Resistant Acetal is an investment in the longevity and reliability of your mechanical products. It represents a proactive step towards reducing operational costs and enhancing customer satisfaction through more durable goods. For manufacturers facing challenges with part wear, this material offers a proven, high-performance solution.
Contact us to discuss how C27021 can be applied to your specific component challenges, request samples for testing, or obtain detailed specifications. Let us help you turn wear resistance into a competitive advantage.
Frequently Asked Questions (FAQ):
Q: What makes C27021 "wear-resistant" compared to a standard POM?
A: This grade incorporates specific polymer modifications or additives that enhance its ability to withstand abrasive and frictional forces, reducing material loss and surface degradation during sliding contact.Q: Is this material suitable for applications without lubrication?
A: Yes, its improved wear properties make it a strong candidate for "dry running" or limited-lubrication applications, though performance should be validated for specific conditions.Q: Does the wear resistance affect other properties like strength or stiffness?
A: No, the modification is designed to enhance wear resistance while largely preserving the excellent mechanical strength, stiffness, and dimensional stability inherent to acetal copolymers.Q: Can we process C27021 with our existing injection molding equipment for POM?
A: Generally, yes. Processing conditions (temperature, screw speed, etc.) may need slight optimization compared to standard POM, but it uses the same fundamental thermoplastic processes.Q: What are the most common industries and applications for this grade?
A: It is widely used in automotive (window regulators, seat components), industrial machinery (conveyor guides, bearing bushings), consumer appliances (gears in printers, drives), and any mechanism with repetitive sliding motion.Q: Is the material color customizable?
A: The base material is typically natural/white. Colors can be added through masterbatch during processing, subject to request and feasibility.Q: How do we evaluate if C27021 is right for our part?
A: We recommend starting with a sample to run comparative wear tests (e.g., pin-on-disc) against your current material under simulated operating conditions. We can assist in defining a test protocol.Q: What packaging and quantities are available?
A: Standard packaging is in 25kg bags. Both sample quantities and bulk orders are available to meet your development and production needs.
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