ASTM-C421 › Standard Test Method for Tumbling Friability of Preformed Block-Type and Preformed Pipe-Covering-Type Thermal Insulation
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Scope
1.1 This test method covers determination of the mass loss of preformed block-type thermal insulation as a result of a combination of abrasion and impact produced by a laboratory tumbling mechanism.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values in parentheses are provided for information only.
1.3 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
mass loss; thermal insulating materials--block/board; tumbling friability; ICS Number Code 27.220 (Heat recovery. Thermal insulation)
To find similar documents by ASTM Volume:
04.06 (Thermal Insulation; Building and Environmental Acoustics)
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Document Number
ASTM-C0421-08R20
Revision Level
2008 R20 EDITION
Status
Current
Modification Type
Revision
Publication Date
March 19, 2020
Document Type
Test Method
Page Count
3 pages
Committee Number
C16.32