POM C9021 Acetal Homopolymer With Excellent Dimensional Stability
Product Spotlights
As a leading manufacturer in advanced engineering plastics, Shanghai Yunshan Plasticizing Co., Ltd. is proud to introduce our premium POM C9021 Acetal Homopolymer. Engineered for applications where precision and long-term performance are non-negotiable, this high-performance polymer delivers unmatched dimensional stability, making it the material of choice for demanding industrial components. Sourced and produced with rigorous quality control in Shanghai, our POM C9021 offers a reliable solution to enhance the durability and functionality of your products.
Our POM C9021 stands out in the competitive market due to its exceptional balance of properties. It is specifically formulated to maintain its shape and size under varying environmental conditions, a critical factor for precision parts. Below are the core characteristics and advantages:
- Superior Dimensional Stability: Exhibits minimal shrinkage and warpage, ensuring parts maintain tight tolerances throughout their service life, even under thermal cycling and load.
- High Stiffness and Strength: Provides excellent mechanical properties, including high tensile strength and rigidity, suitable for load-bearing components.
- Low Friction and High Wear Resistance: The inherent low coefficient of friction and good wear characteristics make it ideal for gears, bearings, and sliding parts, reducing the need for lubrication.
- Good Chemical Resistance: Resists a wide range of solvents, fuels, and neutral chemicals, ensuring long-term performance in harsh environments.
- Excellent Fatigue Endurance: Withstands repeated loading and unloading cycles, perfect for dynamic applications like snap-fits and living hinges.
- Easy Processing: Designed for efficient injection molding and extrusion, offering good melt flow and fast cycling times, which can improve your production efficiency.
To provide a clearer overview, here are some typical property ranges for our POM C9021:
| Property | Typical Value | Test Method / Notes |
| Density | 1.41 - 1.42 g/cm³ | ISO 1183 |
| Tensile Strength (Yield) | 65 - 70 MPa | ISO 527 |
| Flexural Modulus | 2800 - 3200 MPa | ISO 178 |
| Melting Point | Approx. 175 °C | ISO 3146 |
| Water Absorption (24h) | 0.20 - 0.25 % | ISO 62 |
| Mold Shrinkage | 1.8 - 2.2 % | Flow direction |
These properties translate into significant benefits for your business:
- Enhanced Product Reliability: Parts made from POM C9021 perform consistently, reducing failure rates and warranty claims.
- Design Freedom: Its stability allows for the design of complex, high-precision components that are difficult to achieve with other materials.
- Cost-Effectiveness: The combination of easy processing, low wear, and long part life can lead to lower total cost of ownership.
- Wide Application Scope: Suitable for automotive (fuel system components, door handles), consumer electronics (gears, rollers), industrial machinery (pump housings, conveyor parts), and precision instruments.
Shanghai Yunshan Plasticizing Co., Ltd. leverages its strategic location in one of China's industrial hubs to ensure a consistent supply of high-quality raw materials and efficient logistics. Our commitment is reflected in our dedicated production lines for engineering plastics and our focus on meeting specific client requirements. By choosing our POM C9021, you are not just purchasing a polymer; you are investing in a partnership with a manufacturer dedicated to providing material solutions that enhance your product's market competitiveness through superior dimensional stability and mechanical performance. Contact us today to discuss how this reliable acetal homopolymer can be integrated into your next project.
Frequently Asked Questions (FAQ)
Q1: What is the main advantage of POM C9021 over other acetal copolymers?
A: The primary advantage of this homopolymer grade is its superior dimensional stability and higher mechanical strength (stiffness and tensile strength) compared to many copolymer versions, making it preferable for high-precision, load-bearing applications.
Q2: Is POM C9021 suitable for food contact applications?
A: The standard natural grade is not specifically certified for food contact. For such applications, special food-grade compliant grades are available upon request, subject to specific regulatory requirements.
Q3: What are the recommended processing conditions for injection molding?
A: Typical melt temperatures range from 190°C to 210°C, with mold temperatures between 80°C and 100°C. It is crucial to ensure the material is thoroughly dried before processing to prevent defects.
Q4: How does the dimensional stability perform in humid environments?
A: POM C9021 has low water absorption, which contributes to its excellent dimensional stability even in humid conditions. Its properties remain more stable compared to many other hygroscopic engineering plastics.
Q5: Can this material be colored?
A: Yes, POM C9021 in natural form can be easily colored with compatible masterbatches during the molding process to achieve a wide range of colors as per customer specifications.
Q6: What is the continuous use temperature of POM C9021?
A: It can typically withstand continuous use in environments up to approximately 90-100°C, although mechanical properties may gradually decrease near the upper limit.
Q7: Is it resistant to UV exposure?
A: Standard POM homopolymer has limited resistance to prolonged UV exposure and may degrade or discolor. For outdoor applications, UV-stabilized versions are recommended and can be supplied upon request.
Q8: Do you provide technical data sheets and material samples for testing?
A: Absolutely. We provide comprehensive technical data sheets and are happy to supply sample quantities for your evaluation and prototyping needs. Please contact our sales team to arrange this.
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