| Customization: | Available |
|---|---|
| After-sales Service: | Any Time |
| Warranty: | 1 Year |
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PMI foam HF has been specially developed for radome applications. It is characterized by a lower dielectric constant and dielectric loss in the wide frequency range of 2-18GHz, with a dielectric constant of 1.05-1.13. At the same time, PMI foam HF has a lower cell size, which helps to further reduce the amount of surface resin absorption, reduce the weight of the part, and improve the wave transmittance.
For radar, radomes, miniature antennas, etc., PMI foam HF is suitable for autoclaves, RTM, VARI and most composite manufacturing processes such as molding, the molding process conditions can reach 180°C/0.1MPa.
| Type | Units | 50HF | 75HF | Test Method |
| Density | kg/m3 | 50±10 | 75±10 | ISO 845 |
| Compressive Strength |
MPa | 0.83 | 1.65 | ISO 844 |
| Tensile Strength |
MPa | 1.65 |
2.20 | ASTM D638 |
| Elastic Modulus |
MPa | 75 | 100 | ASTM D638 |
| Elongation At break |
% | 2.8 | 2.9 | ASTM D638 |
| Flexural Strength |
MPa | 1.55 | 2.80 | ASTM D790 |
| Shear Strength |
MPa | 0.85 | 1.25 | ASTM C273 |
| Shear Modulus |
MPa | 28 | 45 | ASTM C273 |
| Thermal conductivity | W/(m*K) | 0.030 | 0.031 | - |
| Compressive Creep |
% | ≤2.0 | GB/T 15048 | |
| Bubble cell size | μm | 50-150 | ZKHT/MT-21 | |
| Temperature Resistance |
ºC | ≥200ºC | DIN 53424 | |
| HF | Size(mm) | Sheet thicknesses are available |
| 50 HF | 2500*1250 | 1-120 |
| 75 HF | 2500*1250 | 1-100 |
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