Dielectric constant is defined as the insulating material that can store charge when it is placed between two metallic plates. ): Polyacetal, Poly(methylene oxide), POM Dielectric constant is a measure of the charge retention capacity of a medium. Learn about formula, units, and factors affecting dielectric constant here. These values are for informat ional purposes only. The following table lists the dielectric constants … List of dielectric constants Substance Substanz Dielectric Constant Rapeseed grist Raps-Schrot 2,1 Resin Harz 1,5 Rice Reis 3,0 Rock salt (0-25 mm) Steinsalz (0-25 mm) 4,3 Rye Roggen 6,0 Rye bran Roggenkleie 2,2 Saccharose solution Saccharoselösung 20,0 Salt water Salzwasser 32,0 tie number of figures retained. Values presented here are relative dielectric constants (relative permittivities). of Dielectric Constant where •,, 1, and a (or a if the value is followed immediately by a in parentheses) are specified in Values of dielectric constant recorded in sections the table. Table of Dielectric Constants of Polymers. Notes: In 2005, this table was adapted by Dr. Brian J. Myers, Webmaster of ACS Division of Organic Division (DOC) from: Professor Murov's Organic solvent table.The values were obtained from the CRC (87th edition), or Vogel's Practical Organic Chemistry (5th ed.). Occasionally other equations are in-B and C have an estimated accuracy indicated by dicated in footnotes. ; Solubilities are in water and are reported as grams solvent/100 grams water. The dielectric constant is expressed in terms of a ratio to that in a vacuum or (1.000000). Dielectrical Constants of Polymers; Compound: ε (Exper. Weight Conversion Table Dielectric Constant of Solutions The relative permittivity, or dielectric constant, is a dimensionless material property which represents a material's dielectric permittivity as a ratio relative to the permittivity of a vacuum. As indicated by e r = 1.00000 for a vacuum, all values are relative to a vacuum.. In the table are given the values of the dielectric constant of some solids, liquids and gases for constant electric fields or for small frequencies, when the wavelength is infinitely large. Multiply by ε 0 = 8.8542 x 10-12 F/m (permittivity of free space) to obtain absolute permittivity. All other factors being equal, greater permittivity of the dielectric gives greater capacitance; less permittivity of the dielectric gives less capacitance. List of Dielectric Constants The following list of dielectric constants is based on approximate values for the substance listed in its natural state. 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