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POM White Plastic Compound
High-Stiffness Acetal Resin for Precision Machining and Wear-Resistant Applications
Our POM white plastic compound, also known as polyoxymethylene or acetal, is a high-performance thermoplastic engineered for excellent dimensional stability, low friction, and superior mechanical strength. With a natural white finish, this compound is ideal for applications that require precision machining, tight tolerances, and clean aesthetics.
At XHH Seals, we supply high-purity POM compounds suitable for CNC turning, injection molding, and extrusion processes. Our formulations ensure outstanding stability and machinability for a wide range of engineering parts, especially in the sealing and bearing industries.
Technical Specifications
Mechanical
| Mechanical properties | Standard | Unit | |
| Yield stress/stress at break | DIN EN ISO 527-2 | MPa | 70 |
| Elongation at break | DIN EN ISO 527-2 | % | 35 |
| Tensile modulus of elasticity | DIN EN ISO 527-2 | MPa | 3000 |
| Charpy impact strength | DIN EN ISO 179 | KJ/㎡ | >140 |
Thermal
| Thermal properties | Unit | ||
| Coefficient of thermal expansion | 1/K * 106 | 120 | |
| Upper service temperature, short term | °C | 140 | |
| Upper service temperature, continuous | °C | 100 | |
| Flammability according to UL94 | 3 mm | HB |
Electrical
| Electrical properties | Standard | Unit | |
| Dielectric strength | DIN EN IEC 60243 | kV/mm | 20 |
| Volume resistivity | DIN EN 62631 | Ω*cm | >1014 |
| Surface resistivity | DIN EN 62631DIN EN 62631 | Ω | >1013 |
General
| General properties | Standard | Unit | |
| Density | DIN 1183 | g/cm³ | 1,41 |
| Water absorption, saturation in water at 23℃ | DIN EN ISO 62 | % | 0,8 |
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