ASTM D1458-01

D202-23

Standard Test Methods for Sampling and Testing Untreated Paper Used for Electrical Insulation

D257-14(2021)e1

Standard Test Methods for DC Resistance or Conductance of Insulating Materials (Includes all amendments and changes 5/6/2021).

D295-12

Standard Test Methods for Varnished Cotton Fabrics Used for Electrical Insulation (Withdrawn 2020)

D374-99

Standard Test Methods for Thickness of Solid Electrical Insulation

D828-22

Standard Test Method for Tensile Properties of Paper and Paperboard Using Constant-Rate-of-Elongation Apparatus

D150-22

Standard Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation

D1711-26

Standard Terminology Relating to Electrical Insulation

D1830-17(2024)

Standard Test Method for Thermal Endurance of Flexible Sheet Materials Used for Electrical Insulation by the Curved Electrode Method

D1389-07

Standard Test Method for Proof-Voltage Testing of Thin Solid Electrical Insulating Materials (Withdrawn 2014)

D149-25

Standard Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies

D5032-19(2026)

Standard Practice for Maintaining Constant Relative Humidity by Means of Aqueous Glycerin Solutions

D6054-97

Standard Practice for Conditioning Electrical Insulating Materials for Testing

E104-20a

Standard Practice for Maintaining Constant Relative Humidity by Means of Aqueous Solutions (Includes all amendments and changes 12/21/2020).