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ASTM C411-97 Standard Test Method for Hot-Surface Performance of High-Temperature Thermal Insulation
standard by ASTM International, 05/10/1997
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1.1 This test method covers the determination of the performance of commercial sizes of both block and pipe forms of thermal insulating materials when exposed to simulated hot-surface application conditions. The term "hot-surface performance" has reference to a simulated use-temperature test in which the heated testing surface is in a horizontal position.
1.2 This test method refers primarily to high-temperature insulations that are applicable to hot-side temperatures in excess of 200