ASTM C591-85

C390-08(2024)

Standard Practice for Sampling and Acceptance of Thermal Insulation Lots

E84-26a

Standard Test Method for Surface Burning Characteristics of Building Materials (Includes all amendments and changes 4/15/2026).

D6226-21

Standard Test Method for Open Cell Content of Rigid Cellular Plastics

D2856-94(1998)

Standard Test Method for Open-Cell Content of Rigid Cellular Plastics by the Air Pycnometer (withdrawn 2006)

D2126-25

Standard Test Method for Response of Rigid Cellular Plastics to Thermal and Humid Aging

D1622-D1622M-14

Standard Test Method for Apparent Density of Rigid Cellular Plastics

D1621-16(2023)

Standard Test Method for Compressive Properties of Rigid Cellular Plastics

C1058/C1058M-10(2023)

Standard Practice for Selecting Temperatures for Evaluating and Reporting Thermal Properties of Thermal Insulation

C1363-24

Standard Test Method for Thermal Performance of Building Materials and Envelope Assemblies by Means of a Hot Box Apparatus

C1303/C1303M-23

Standard Test Method for Predicting Long-Term Thermal Resistance of Closed-Cell Foam Insulation

C1114-06(2019)

Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Thin-Heater Apparatus

D883-26a

Standard Terminology Relating to Plastics (Includes all amendments and changes 6/15/2026).

E96/E96M-24a

Standard Test Methods for Gravimetric Determination of Water Vapor Transmission Rate of Materials (Includes all amendments and changes 11/20/2024).

C168-25

Standard Terminology Relating to Thermal Insulation

C165-23

Standard Test Method for Measuring Compressive Properties of Thermal Insulations

C177-19e1

Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus (Includes all amendments and changes 2/23/2023).

C1045-19

Standard Practice for Calculating Thermal Transmission Properties Under Steady-State Conditions

C871-18(2023)

Standard Test Methods for Chemical Analysis of Thermal Insulation Materials for Leachable Chloride, Fluoride, Silicate, and Sodium Ions

C585-22

Standard Practice for Inner and Outer Diameters of Thermal Insulation for Nominal Sizes of Pipe and Tubing

C550-26

Standard Test Method for Measuring Trueness and Squareness of Rigid Block and Board Thermal Insulation

C518-21

Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus

C411-19

Standard Test Method for Hot-Surface Performance of High-Temperature Thermal Insulation

C335/C335M-23

Standard Test Method for Steady-State Heat Transfer Properties of Pipe Insulation

C303-21

Standard Test Method for Dimensions and Density of Preformed Block and Board–Type Thermal Insulation

C272/C272M-18(2024)

Standard Test Method for Water Absorption of Core Materials for Sandwich Constructions