High-performance Engineering Polymer Acetal Copolymer POM Candidate for Equipment or Car Parts
Low moisture absorption results in excellent dimensional stability and makes POM an excellent candidate for parts that must exhibit tight tolerances in moist environments.
EXCEED CHEM provides a variety of POM grades that span a wide array of applications & industries, due to their high-performance thresholds.
Our POM project utilizes international leading technology and stable POM production processes. Most key advanced equipment is imported from abroad, featuring high-tech capabilities, superior safety performance, and exceptional stability. Through our advanced processes and equipment, the POM project has obtained 4 national utility model patents and 1 invention patent.
POM (polyoxymethylene) is a high-performance engineering plastic with diverse applications:
- Wear-resistant transmission components: Used for gears, bearings, and other parts, effectively replacing metal materials
- Automotive industry: Manufacturing fuel system components, half shafts, and other parts that require oil resistance and lightweight properties
- Electronic appliances: Insulated enclosures, switches, and components requiring both strength and arc resistance
- Precision instruments: Fatigue-resistant, dimensionally stable parts suitable for high-precision applications
Our annual production capacity reaches 40,000 t/a, with modified POM equipment capacity of 1,000 t/a. Zhonghao Company's copolyoxymethylene portfolio includes 4 general grade products (K90, K130-1, K270-1, K520) and numerous special grade products such as high-strength K30, weather-proof, and anti-impact variants to meet diverse customer requirements.
| Product Name | Acetal Copolymer (POM) | Type | K270 | |
| Test Items | Unit | Standard Value | Test Results | Standards |
| Melt Mass-flow rate | g/10min | 16＜ x ≤35 | 26.7 | ISO 1133-1 |
| Melting Temperature | ℃ | ≥ 160 | 165 | ISO 11357-3 |
| Density | g/cm³ | 1.38-1.43 | 1.405 | ISO 1183-1 |
| Yield Stress | Mpa | ≥ 60 | 63.9 |
ISO 527-1 ISO 527-2 |
| Strain at Break | % | ≥ 15 | 34 | |
| Tensile Modulus | Mpa | ≥ 2400 |
2513 |
|
| Charpy Notched Impact Strength | kj/m² | ≥ 3.0 | 4.1 | ISO 179-1 |
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