{"id":16772,"date":"2026-05-27T07:16:04","date_gmt":"2026-05-27T07:16:04","guid":{"rendered":"https:\/\/www.jet-mills.com\/?p=16772"},"modified":"2026-05-27T07:28:28","modified_gmt":"2026-05-27T07:28:28","slug":"silica-aerogel-ultrafine-grinding-with-jet-mill-recommended-particle-size-yield-application-guide","status":"publish","type":"post","link":"https:\/\/www.jet-mills.com\/el\/silica-aerogel-ultrafine-grinding-with-jet-mill-recommended-particle-size-yield-application-guide\/","title":{"rendered":"\u03a5\u03c0\u03b5\u03c1\u03bb\u03b5\u03c0\u03c4\u03ae \u03ac\u03bb\u03b5\u03c3\u03b7 \u03b1\u03b5\u03c1\u03bf\u03c4\u03b6\u03ad\u03bb \u03c0\u03c5\u03c1\u03b9\u03c4\u03af\u03bf\u03c5 \u03bc\u03b5 \u03bc\u03cd\u03bb\u03bf \u03c4\u03b6\u03b5\u03c4: \u03a3\u03c5\u03bd\u03b9\u03c3\u03c4\u03ce\u03bc\u03b5\u03bd\u03bf \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c3\u03c9\u03bc\u03b1\u03c4\u03b9\u03b4\u03af\u03c9\u03bd, \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03bf\u03b4\u03b7\u03b3\u03cc\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2"},"content":{"rendered":"

Silica aerogel is one of the most exciting advanced materials in today\u2019s industrial landscape. It’s the lightest solid material known with over 90% porosity, thermal conductivity as low as 0.015 W\/(m\u00b7K), and a specific surface area reaching 600 m\u00b2\/g. It is revolutionizing thermal insulation, high-performance coatings, battery fire protection, and composite material applications. However, you may wonder: \u201cWhat particle size should I target for my silica aerogel, and can your \u03bc\u03cd\u03bb\u03bf\u03c2 \u03b5\u03ba\u03c4\u03cc\u03be\u03b5\u03c5\u03c3\u03b7\u03c2<\/a> deliver the throughput I need?\u201d<\/em> In this article, we answer that question based on our hands-on experience running silica aerogel through the MQW10 Fluidized Bed Jet Mill<\/a><\/strong>, with recommended fineness ranges, realistic production data, two real-world \u03c5\u03c0\u03cc\u03b8\u03b5\u03c3\u03b7<\/a> studies, and an expanded FAQ<\/a> section you can reference for your own project planning.<\/p>\n\n\n\n

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\u0391\u03b5\u03c1\u03bf\u03c4\u03b6\u03ad\u03bb<\/figcaption><\/figure>\n\n\n\n

A Brief Overview of Aerogel Types<\/mark><\/h2>\n\n\n\n

Silica aerogelby is by far the most widely used and commercially mature type. While this article focuses specifically on silica aerogel, it is helpful to understand the broader aerogel family. Different base materials can exhibit varying grinding behaviors, and our MQW jet mills<\/a> have successfully processed several of them. The table below summarizes the main categories.<\/p>\n\n\n\n

Category<\/th>Main Subtypes<\/th>Brief Features & Applications<\/th><\/tr><\/thead>
Inorganic Aerogels<\/strong><\/td>Oxide Aerogels<\/strong><\/td>\u2013 Silica (SiO\u2082) Aerogel<\/strong>: Most researched, widely used for thermal\/acoustic insulation.
\u2013 Metal Oxide Aerogels<\/strong>: e.g., Al\u2082O\u2083 (high-temp resistant), TiO\u2082 (photocatalytic), ZrO\u2082, etc.<\/td><\/tr>
<\/td>Carbon-based Aerogels<\/strong><\/td>Includes carbon aerogel<\/strong> (ultra-high-temp, conductive), graphene aerogel<\/strong> (ultra-high surface area, conductive), and CNT aerogel<\/strong> (excellent mechanical & electrical properties).<\/td><\/tr>
<\/td>Metal Aerogels<\/strong><\/td>Composed of noble metal nanoparticles (Au, Ag, Pt), offering catalytic, optical, and sensing functions.<\/td><\/tr>
<\/td>Other Inorganic Aerogels<\/strong><\/td>\u2013 Carbide\/Nitride Aerogels<\/strong>: SiC (high-temp semiconductor), BN, etc.
\u2013 Chalcogenide Aerogels<\/strong>: e.g., sulfides, used in catalysis and energy.<\/td><\/tr>
Organic Aerogels<\/strong><\/td>Synthetic Polymer Aerogels<\/strong><\/td>\u2013 Resorcinol-Formaldehyde (RF) Aerogel<\/strong>: Earliest organic aerogel, often a precursor to carbon aerogel.
\u2013 PU\/Polyurea Aerogel<\/strong>: Flexible, for insulation and cushioning.
\u2013 Polyimide (PI) Aerogel<\/strong>: High-temp and flexible, for aerospace.<\/td><\/tr>
<\/td>Natural Polymer Aerogels<\/strong><\/td>\u2013 Cellulose Aerogel<\/strong>: Abundant, biodegradable, promising.
– Others: Alginate, chitosan, gelatin, starch-based bio-aerogels.<\/td><\/tr>
Composite\/Hybrid Aerogels<\/strong><\/td>Organic-Inorganic Hybrid<\/strong><\/td>Combines polymer flexibility with inorganic rigidity\/functionality, e.g., polymer-crosslinked SiO\u2082 aerogel.<\/td><\/tr>
<\/td>Multi-component Inorganic<\/strong><\/td>Combines different inorganic strengths, e.g., SiO\u2082\/Al\u2082O\u2083, TiO\u2082\/SiO\u2082.<\/td><\/tr>
<\/td>Fiber\/Particle Reinforced<\/strong><\/td>Adding reinforcement (e.g., ceramic fibers) to overcome brittleness; common in commercial aerogel blankets.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
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Note:<\/strong> This classification is based on mainstream academic and industry sources. Variations exist between different literature; the above represents a comprehensive synthesis for general reference.<\/p>\n<\/blockquote>\n\n\n\n

Why grinding silica aerogel is fundamentally different from processing conventional minerals?<\/mark><\/h2>\n\n\n\n
\"Aerogel_grinding\"
Aerogel Grinding<\/figcaption><\/figure>\n\n\n\n

Silica aerogel\u2019s defining feature is its three-dimensional nanoporous network with pore diameters typically in the 20\u201350 nm range, which gives it its extraordinary insulating properties. If the grinding process generates excessive heat or mechanical shear, these pores can collapse, permanently destroying the material\u2018s thermal performance. This is why traditional mechanical mills are often unsuitable. Most of them rely on impact from rotating blades or grinding media.<\/p>\n\n\n\n

\u03a3\u03c4\u03bf Epic Powder<\/a>, we recommend the \u039c\u03cd\u03bb\u03bf\u03c2 \u03bc\u03b5 \u03c4\u03b6\u03b5\u03c4 \u03c1\u03b5\u03c5\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7 \u03ba\u03bb\u03af\u03bd\u03b7 MQW<\/a><\/strong> specifically because it operates on an entirely different principle: particle-on-particle collision driven by high-speed compressed air. As the compressed air expands through Laval nozzles into the grinding chamber, it undergoes adiabatic cooling, maintaining a low-temperature environment throughout the process. There is zero contact with grinding media or mill liners, which means no metallic contamination and no risk of heat-induced pore collapse. This is crucial for preserving silica aerogel\u2019s intrinsic properties.<\/p>\n\n\n\n