ASTM-E96 2000

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E96-00e1 Standard Test Methods for Water Vapor Transmission of Materials

Published By	Publication Date	Number of Pages
ASTM	2000	9

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Categories: 77.040.99 - Other methods of testing of metals, ASTM

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Description

ASTM E96-00e1

Historical Standard: Standard Test Methods for Water Vapor Transmission of Materials

ASTM E96

Scope

1.1 These test methods cover the determination of water vapor transmission (WVT) of materials through which the passage of water vapor may be of importance, such as paper, plastic films, other sheet materials, fiberboards, gypsum and plaster products, wood products, and plastics. The test methods are limited to specimens not over 1 ¼ in. (32 mm) in thickness except as provided in Section 9. Two basic methods, the Desiccant Method and the Water Method, are provided for the measurement of permeance, and two variations include service conditions with one side wetted and service conditions with low humidity on one side and high humidity on the other. Agreement should not be expected between results obtained by different methods. That method should be selected which more nearly approaches the conditions of use.

1.2 The values stated in inch-pound units are to be regarded as the standard. Metric inch-pound conversion factors for WVT, permeance, and permeability are stated in Table 1. All conversions of mm Hg to Pa are made at a temperature of 0°C.

1.3 This standard does not purport to address all of the safety problems, 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

permeability; plastics (general); plastic sheet and film; sheet material; thermal-insulating materials; thermal insulatin permeability films; water vapor transmission (WVT)

ICS Code

ICS Number Code 77.040.99 (Other methods of testing metals)

DOI: 10.1520/E0096-00E01

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology TABLE 1
2	Summary of Test Methods Significance and Use Apparatus Materials
3	Sampling Test Specimens Attachment of Specimen to Test Dish Procedure for Desiccant Method
4	Procedure for Water Method Calculation and Analysis of Results
5	Report Precision and Bias
6	Keywords X1. STANDARD TEST CONDITIONS X1.1 X1.2 TABLE 2
7	X1.3 X1.4 X1.5 X1.6 X1.7 FIG. X1.1
8	FIG. X1.2 FIG. X1.3

Additional information

Standard Title	E96-00e1 Standard Test Methods for Water Vapor Transmission of Materials
Published Code	ASTM
Publication Date	2000
Pages Count	9
ICS Codes	77.040.99 - Other methods of testing of metals