What are the commonly used insulation materials?
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What are the names of these two in the photo?
This topic is too broad. In low-temperature applications, foamed polyurethane along with fiberglass cloth is more commonly used; in steam-related applications, foamed concrete, perlite, fiberglass wool along with fiberglass cloth are more frequently utilized. For furnaces operating at low temperatures, refractory porous bricks, lightweight silica brick, aluminum silicate fibers together with asbestos sheets are used more often. At higher temperatures, corundum powder along with asbestos sheets is used, and at extremely high temperatures, carbon black is employed. I hope this helps you.
The yellow substance in the image is rock wool; the rolled one seems to be part of the rubber-plastic material； Aerogels are not like this ； Traditional insulation materials: rock wool, silicates. . . Non-traditional materials: aerogels, Nanquan insulation materials, and so on
This post was last edited by jmdc on 2017-12-21 20:04. What about these two?
One more thing to add: vacuum insulation, low vacuum, carbon fiber fabric; high vacuum, ultra-thin molybdenum screen.
The black one is expanded polyurethane, used for thermal insulation at low temperatures； The white one is aluminum silicate insulation foam, used for heat insulation at high temperatures.