—A p p E N D I X DDielectric constants chartThe dielectric constant of common fluids is indicated below. Dielectric constants are generallyinfluenced by:• temperature• moiture levels• electrical frequency• part thicknessFluid Temperature in °C (°F) Dielectric Constant ( ε)acetal 25 (77) 3.8acetaldehyde 15acetamide 76.7 (170) 59.2acetic acid 20 (68) 6.2acetone 25 (77) 20.7acetophenone 18acetyl bromid 16.2acetyl chloride 15.9acetylacetone 23acetylene dibromide 7.2acetylene tetrabromide 5.6aconite acid ester 6.3adipic acid 1.8aerosile 1.0aether 4.0air (at Stp, for 0.9 Mhz) 1.00058986 ±0.00000050alcohol, allyl 20.6alcohol, cetyl 60 (140) 3.6alcohol, diacetone 18.2alcohol, ethyl (ethanol) 25 (77) 24.3alcohol, methyl (methanol) 20 (68) 33.1alcohol, propyl 20 (68) 21.8allyl chloride 8.2allyl iodide 6.1aluminum bromide 100 (212) 3.4ammonia 15
