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ASTM International - ASTM C419-20

Standard Practice for Making and Curing Test Specimens of Mastic Thermal Insulation Coatings

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Organization: ASTM International
Publication Date: 1 March 2020
Status: active
Page Count: 3
ICS Code (Thermal and sound insulating materials): 91.100.60
significance And Use:

5.1 The method of preparation of test specimens of mastic thermal insulation coatings will have an impact upon values obtained during testing. Testing laboratories shall follow this practice to... View More

scope:

1.1 This practice covers the preparation of specimens of mastics and coatings in the form of cured sheets or films that are used in other procedures for evaluation of physical properties.

1.2 Three procedures are described for casting and curing (Note 1) mastics and coatings of all types for thermal insulation. When reinforcing mesh in recommended by the mastics and coatings manufacturer, test specimens shall be prepared using reinforcing mesh.

Note 1: The term "cure" is used primarily to denote the condition that develops as the result of loss of volatile matter but also to denote possible subsequent changes in chemical or physical properties due to crosslinking.

1.2.1 Procedure A is intended to provide a specimen of controlled thickness applied to the intended insulation for field use and equivalent in other respects to that obtainable under field application conditions.

1.2.2 Procedure B is intended to provide a free-film specimen of controlled thickness having smooth surfaces on both sides. This type is required for some types of physical testing.

1.2.3 Procedure C is intended to provide a free-film specimen of controlled thickness having one smooth surface (as field applied).

1.3 The procedures of this practice are not intended for the evaluation of application properties. These are covered in Test Methods C461 and Guide C647.

1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Document History

ASTM C419-20
March 1, 2020
Standard Practice for Making and Curing Test Specimens of Mastic Thermal Insulation Coatings
1.1 This practice covers the preparation of specimens of mastics and coatings in the form of cured sheets or films that are used in other procedures for evaluation of physical properties. 1.2 Three...
November 1, 2013
Standard Practice for Making and Curing Test Specimens of Mastic Thermal Insulation Coatings
1.1 This practice covers the preparation of specimens of mastics and coatings in the form of cured sheets or films that may be used in other procedures for evaluation of physical properties....
May 1, 2008
Standard Practice for Making and Curing Test Specimens of Mastic Thermal Insulation Coatings
1.1 This practice covers the preparation of specimens of mastics and coatings in the form of cured sheets or films that may be used in other procedures for evaluation of physical properties. 1.2...
January 1, 2000
Standard Practice for Making and Curing Test Specimens of Mastic Thermal Insulation Coatings
1.1 This practice covers the preparation of specimens of mastics and coatings in the form of cured sheets or films that may be used in other procedures for evaluation of physical properties. 1.2...
January 1, 2000
Standard Practice for Making and Curing Test Specimens of Mastic Thermal Insulation Coatings
1.1 This practice covers the preparation of specimens of mastics and coatings in the form of cured sheets or films that may be used in other procedures for evaluation of physical properties. 1.2...
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