Air is a near perfect dielectric medium allowing a signal to propagate through it at approximately the speed of light. However, an air dielectric is impractical for use as a cable insulation as it provides no structural integrity. (read more)

GFS Chemicals has provided bulk quantities to battery manufacturers for years. We are involved in scale-up processes in novel/emerging battery materials & can readily support inquiries from experimental, gram size samples all the way up to metric ton quantities. We are involved in R&D associated with hydrogen storage for fuel cell applications and offer relevant materials. (read more)

ARC Technologies designs and manufactures a wide range dielectric microwave absorbers for commercial and military applications. These products act as light weight, broadband attenuators for high frequency electromagnetic energy. Typical frequency range is 650MHz to 40GHz. Far-field attenuation of -20dB or greater is possible over a wide frequency range. (read more)

Optarius offers a range of Broadband Dielectric Mirrors. These dielectric mirrors are excellent high reflectors for broadband use. They operate over a wide spectral range and provide more than 99% reflectance at 45 degrees angle of incidence. (read more)

Standard high reflectors with R >99.95% over 0°±45° are available at any wavelength from 190nm to 12m.m. The Damage threshold is in the GW/cm2 range for 10nS pulses with 30Hz repetition rate, or in MW/cm2 CW range from 350 nm to 2.1 m m. (read more)

CRYSTEX Composites LLC manufactures Mykroy/Mycalex glass bonded mica custom dielectric ceramics and substrates to match your specifications.... (read more)

Typical performance: R > 99% @ 400-700 nm @ 0°±45°, or R > 99% @ 700-1000 nm @ 0°±45°, or R > 99% from 1100 to 1600 nm @ 0°±45°. (read more)

The HVPSI Dielectric Strength Tester provides a wide range of voltage (0 to 14 kVDC) for checking leakage currents in a myriad of applications (read more)

Cellotape manufactures custom electrical insulation and dielectric materials to match your specifications. (read more)

Cascade Optical Coating, Inc.'s protected and enhanced Aluminum, Silver, and Gold mirror coatings meet and exceed all requirements of MIL-M-13508 when deposited on glass, ceramics, crystals, Ni-plated Al and Be, diamond turned Aluminum, and some polymers and polycarbonates. (read more)