ASTM-C1498 Standard Test Method for Hygroscopic Sorption Isotherms of Building Materials

ASTM-C1498 - 2004A R23 EDITION - CURRENT
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Standard Test Method for Hygroscopic Sorption Isotherms of Building Materials
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Scope

1.1 This test method specifies a laboratory procedure for the determination of hygroscopic sorption isotherms of any construction materials. The method was originally developed for the ASTM Thermal Insulation committee.

1.2 For material characterization, the primary emphasis is on the adsorption isotherm (that is, sorption isotherm that describes the wetting process of the material from the oven-dry condition).

1.3 Determination of desorption isotherm, (that is, sorption isotherm that describes the drying process of a material from the state of absolute saturation with water) is performed when information on drying characteristics of construction materials is required. Typically both adsorption and desorption isotherms are required for the purpose of hygrothermal models.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

hysteresis; moisture content; water vapor sorption; ICS Number Code 91.120.30 (Waterproofing)

To find similar documents by ASTM Volume:

04.06 (Thermal Insulation; Building and Environmental Acoustics)

To find similar documents by classification:

91.120.30 (Waterproofing Sealing materials, see 91.100.50)

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Document Number

ASTM-C1498-04AR23

Revision Level

2004A R23 EDITION

Status

Current

Modification Type

New

Publication Date

April 6, 2023

Document Type

Test Method

Page Count

4 pages

Committee Number

C16.33