详情描述
Pearlescent sand is a porous, white, granular loose material made from broken, preheated, and pyrolytically expanded acidic volcanic glass lava. It features a small bulk density, low thermal conductivity, good chemical stability, non-flammability, non-toxicity, odorless, and sound-absorbing properties.
Primarily used for the construction of thermal insulation layers in large ultra-low temperature thermal engineering projects, in these fields, pearl sand can provide excellent ultra-low temperature thermal insulation performance.
When using pearlescent sand, pay attention to its moisture content, as it has a porous structure and is prone to absorbing a large amount of moisture when stored in the air for a long time. When used in equipment like air separators and low-temperature insulating devices, it is essential to strictly control the moisture content to ensure the insulating and heat-preserving effectiveness of the equipment.
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