| 释义 |
rigid insulation rigid insulation[′rij·id ‚in·sə′lā·shən] (electricity) Electrical insulation that is part of a rigid structure, and must provide mechanical strength and stability of form as well as a dielectric barrier; mica, glass, porcelain, and thermosetting resins are the principal materials used. rigid insulationThermal insulation whose density is high enough so that a sheet of this insulation will stand upright if supported only along one edge of the sheet. |