ASTM C 461 : 2023
Current
The latest, up-to-date edition.
Standard Test Methods for Mastics and Coatings Used With Thermal Insulation
Hardcopy , PDF
English
22-09-2023
1.1These test methods cover procedures for sampling and testing mastics and coatings for use as weather and vapor retarder finishes on thermal insulations and for other accessory use.
1.2The 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.
1.3The test methods appear in the following order:
| Section | |
| Sampling | 4 |
| Uniformity and Storage Stability | 5 |
| Stability Under Freezing | 6 |
| Density and Weight per Gallon | 7 |
| Consistency | 8 |
| Solids Content | 9 |
| Content of Volume Solids and Coverage of Mastics and Coatings | 10 |
| Sag Resistance (Build) | 11 |
| Drying Time | 12 |
| Flash Point | 13 |
1.4This 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.
1.5This 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.
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