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Description
Description
The Premium Acetal H Black Rod is a high-performance thermoplastic made from a semi-crystalline homopolymer. This material is known for its excellent dimensional stability, low moisture absorption, and high wear resistance, making it suitable for demanding applications.
With slightly higher tensile and impact strength compared to other copolymer rods, this rod is ideal for mechanical engineering, vehicle construction, and precision engineering applications. It excels in processes such as billeting, precision grinding, and CNC turning.
Technical Specifications
| Specification | Measurement |
|---|---|
| Material | Acetal H |
| Shape | Rod |
| Colour | Black |
| Density (g/cm³) | 1.42 |
| Water absorption (%) | 0.2 |
| Yield stress (MPa) | 75 |
| Elongation at break (%) | 30 |
| Notched impact strength (kJ/m²) | 10 |
| Ball indentation hardness (MPa) | 160 |
| Shore hardness (scale D) | 83 |
| Tensile modulus of elasticity (MPa) | 3200 |
| Melting temperature (°C) | 175 |
| Thermal conductivity (W/(m*K) | 0.31 |
| Thermal capacity (kJ/(kg*K) | 1.5 |
| CLTE (10⁻⁶K⁻¹) | 100 |
| Service temp long term min (°C) | -50 |
| Service temp long term max (°C) | 90 |
| Service temp short term max (°C) | 150 |
| Heat deflection temperature (°C) | 110 |
| Dielectric constant | 3.8 |
| Dielectric strength (kV/mm) | 25 |
| Volume resistivity (Ω*cm) | 10¹⁵ |
| Surface resistivity (Ω) | 10¹⁵ |
Applications
The Premium Acetal H Black Rod is designed for a variety of applications, including:
- Mechanical engineering
- Vehicle construction
- Precision engineering
FAQ
Q: What is the maximum short-term service temperature for this rod?
A: The maximum short-term service temperature is 150°C.
Q: Is this material FDA compliant?
A: Yes, natural Acetal H conforms to FDA21 CFR 177.2470.
Q: What are the typical applications for Acetal H?
A: It is ideal for mechanical engineering, vehicle construction, and precision engineering.