Assertion: polyethylene | /r/HasAspect | very low-loss properties
Facets:
value: at very high frequency radio waves
type: LOCATION
Source sentences:
text: Because polyethylene was found to have very low-loss properties at very high frequency radio waves, commercial distribution in Britain was suspended on the outbreak of World War II, secrecy imposed, and the new process was used to produce insulation for UHF and SHF coaxial cables of radar sets.