negligible absorption in the high frequency range

ROHACELL® HF

With its extremely low dielectric constants and particularly favorable transmission properties in the high frequency region, ROHACELL® HF has been specially designed for antenna applications.

Applications range from miniature antennas in cell phones to large fixed ship-based and stationary antenna structures. Other advantages of ROHACELL® HF in such applications are its extremely fine cell structure that ensures minimal resin uptake, and problem-free compatibility with metallic facing materials due to the absence of corrosive effects.

ROHACELL® HF is also used in radomes and mammography plates.

Fine-cell materials can be processed by hand lay-up, prepreg, or vacuum infusion techniques at pressures up to 0.3 MPa and temperatures up to 130°C.

Sales range for ROHACELL® HF (mm)

ROHACELL®
Size [mm]
Standard sheet thickness [mm]
31 HF
2500 x 1250
1 - 120
51 HF
2500 x 1250
1 - 110
71 HF
2500 x 1250
1 - 95

Thickness tolerance +/- 0.2 mm, other tolerances available on request.

1-4 mm thick sheets supplied in ¼ or ½ sheet size.

Sales range for ROHACELL® HF (inch)

ROHACELL®
Size [inch]
Standard sheet thickness [inch]
31 HF
98.4 x 49.2
0.04 - 4.72
51 HF
98.4 x 49.2
0.04 - 4.33
71 HF
98.4 x 49.2
0.04 - 3.74

Thickness tolerance +/- 0.008 inch, other tolerances available on request.

0.04 -0.16 inch thick sheets supplied in ¼ or ½ sheet size.

All dimension ranges presented in these tables are standard. To discuss any size or thickness not listed, please contact a ROHACELL® representative.