Astra very low-loss dielectric constant printed circuit board material exhibits electrical properties that are constant over a broad frequency and temperature range. Is suitable for commercial RF/microwave printed circuit designs operating at 24 and 77 GHz frequencies.

Dk is stable between 55C and 125C. Dissipation factor (Df) is 0.0017, making it a alternative to PTFE and other commercial microwave laminate materials. Is lead-free. Press cycle that is reportedly half that of competitive products. Processes at temperatures below 200C, making it compatible with a wide range of hybrid products. Requires no plasma cleaning, and is unfilled for easier drilling. Comes in all glass styles and thickness configurations. Has a high-peel strength, which enables use of special copper types to deliver very-low passive intermodulation numbers.

Isola Group, isola-group.com/products/astra/

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