SHIELDING EFFECTIVENESS OF IMPROVED MICROWAVE-PROTECTIVE SUIT
Chung-Kwang Chou, John A. McDougall, Arthur W. Guy · 1986
Industrial microwave suits block over 99% of radiation, proving effective EMF shielding is possible with proper materials.
Plain English Summary
Researchers tested microwave protective suits made with metal-fiber fabric to see how well they blocked radiation at frequencies between 0.65-11 GHz. The suits provided 25-40 dB of protection (blocking 99.7-99.99% of radiation) across most microwave frequencies, with the best shielding at higher frequencies like those used in industrial microwave applications.
Why This Matters
This 1986 study reveals something crucial about microwave radiation protection that remains relevant today. The fact that specialized suits can block 99.7% to 99.99% of microwave radiation demonstrates both the penetrating nature of these frequencies and the possibility of effective shielding. What's particularly noteworthy is that the suits performed better at higher frequencies (2.45 GHz) than lower ones (915 MHz) - the opposite of what many people assume about EMF protection. The reality is that effective EMF shielding requires engineered solutions, not wishful thinking. While these industrial-grade suits aren't practical for daily life, they prove that meaningful protection from microwave radiation is technically achievable when proper materials and design principles are applied.
Finding
The suit had at least 25 dB at 2450 MHz for the ten locations tested and 20 dB at 915 MHz at the head and torso of the model. It is concluded that the suit made by Milliken Company and Body Guard, a Division of Lion Uniform, can provide good protection for microwave frequencies between the 0.65 to 11 GHz range in which the tests were made.
In their words
“The suit had at least 25 dB at 2450 MHz for the ten locations tested and 20 dB at 915 MHz at the head and torso of the model. It is concluded that the suit made by Milliken Company and Body Guard, a Division of Lion Uniform, can provide good protection for microwave frequencies between the 0.65 to 11 GHz range in which the tests were made.”
Exposure Information
Specific exposure levels were not quantified in this study.
Show BibTeX
@article{shielding_effectiveness_of_improved_microwave_protective_suit_g4674,
author = {Chung-Kwang Chou and John A. McDougall and Arthur W. Guy},
title = {SHIELDING EFFECTIVENESS OF IMPROVED MICROWAVE-PROTECTIVE SUIT},
year = {1986},
}