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C1498-01 standard test method for hygroscopic sorption isotherms of building materials

ASTM
2001
American Society for Testing and Materials, Philadelphia, Pa
hysteresis; moisture content; water vapor sorption

ASTM, (2001), C1498-01 standard test method for hygroscopic sorption isotherms of building materials, American Society for Testing and Materials, Philadelphia, Pa.
Abstract:
1. 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.

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  • ASTM standards related to building envelopes

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Author Information and Other Publications Notes
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  4. C1134-90(2001) Standard Test Method for Water Retention of Rigid Thermal Insulations Following Partial Immersion
  5. C1155-95, Standard Practice for Determining Thermal Resistance of Building Envelope Components from the In-Situ Data
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  11. C209-98 standard test methods for cellulosic fiber insulating board
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  53. E779-03, ASTM Method for Determining Air Leakage Rates by Fan Pressurization Test
  54. E779-99 Standard test method for determining air leakage rate by fan pressurization
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  57. E964-93(1998)e1 Standard Practice for Measuring Benefit-to-Cost and Savings-to-Investment Ratios for Buildings and Building Systems
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  59. F1249-90(1995) Standard Test Method for Water Vapor Transmission Rate Through Plastic Film and Sheeting Using a Modulated Infrared Sensor
  60. F372-99 Standard Test Method for Water Vapor Transmission Rate of Flexible Barrier Materials Using an Infrared Detection Technique
  61. G84-89(1999)e1 standard practice for measurement of time-of-wetness on surfaces exposed to wetting conditions as in atmospheric corrosion testing
  62. Heat transmission measurements in thermal insulations
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