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Overview of High Quality 5 um SiO2 Aerogel Powder CAS No. 7631-86-9 Silica Aerogel
High Quality 5 um SiO2 Aerogel Powder CAS No. 7631-86-9 Silica Aerogel is a synthetic porous ultralight material derived from a gel, in which the liquid component has been replaced with a gas. The result is a solid with extremely low density and low thermal conductivity, often nicknamed “frozen smoke.” Despite its fragile appearance, it can be engineered to be remarkably strong, holding the title of the world’s best insulating solid material.
Features of High Quality 5 um SiO2 Aerogel Powder CAS No. 7631-86-9 Silica Aerogel
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World’s Lowest Thermal Conductivity: Provides unparalleled insulation performance, far superior to traditional materials.
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Extremely Low Density: One of the lightest solid materials known to man, with a composition of up to 99.8% air.
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High Surface Area: Possesses an incredibly large internal surface area, making it valuable for filtration and absorption applications.
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Versatile Composition: Can be made from various materials, including silica, carbon, and metal oxides, each with unique properties.
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Exceptional Porosity: Its nanoporous structure is responsible for its outstanding insulating capabilities.
Specifications of High Quality 5 um SiO2 Aerogel Powder CAS No. 7631-86-9 Silica Aerogel
Our High Quality 5 um SiO2 Aerogel Powder offers unique properties. It is made from silicon dioxide. The CAS Number is 7631-86-9. This powder features a consistent particle size. The average size is about 5 micrometers. This size is ideal for many uses. It allows for good handling and mixing. The powder has high purity levels. Impurities are minimized. This ensures reliable performance. The structure is highly porous. It contains mostly air. This gives it very low density. The material feels incredibly light. Its specific surface area is large. Values often exceed 600 m²/g. This large area is good for many reactions. The bulk density is very low. It typically ranges from 0.05 to 0.2 g/cm³. This low density is a key feature. Thermal insulation is outstanding. The thermal conductivity is very low. It can be less than 0.02 W/m·K. This makes it perfect for insulation. The powder is hydrophobic. It repels water effectively. This keeps its properties stable in damp conditions. It performs well over a wide temperature range. It remains stable from very cold to very hot. These characteristics make it valuable. It is used in thermal insulation. It works in catalysts. It fits into specialized coatings. It suits high-performance composites. Researchers find it useful too. It is handled easily. Storage is straightforward. It requires dry conditions. This powder delivers top performance. Its unique specs meet demanding needs. The hydrophobic nature adds durability.
Applications of High Quality 5 um SiO2 Aerogel Powder CAS No. 7631-86-9 Silica Aerogel
This powder is silica aerogel. Its CAS number is 7631-86-9. The particles are about 5 micrometers in size. It has a very low density. It has a very high porosity. These properties make it special.
One major use is thermal insulation. This powder stops heat extremely well. It works better than many common materials. Builders use it in walls and roofs. It helps keep buildings warm in winter. It helps keep buildings cool in summer. This saves energy. Factories also use it. It insulates pipes and tanks. This protects workers from heat. It keeps processes at the right temperature.
It works in clothing too. Firefighters need protective gear. Their suits must block extreme heat. Adding this powder helps. It makes the suits safer without adding much weight. People appreciate lighter gear.
Scientists find it useful. Its structure has lots of tiny holes. This gives it a huge surface area. Researchers use it to hold catalysts. Catalysts speed up chemical reactions. The powder makes them work better. It also works in sensors. Sensors detect gases or chemicals. The powder helps make sensitive sensors.
The aerospace industry uses it. Spacecraft face extreme temperatures. Insulation is critical. This powder offers lightweight protection. Every gram saved helps in space travel.
Electronics need protection sometimes. Tiny devices can be fragile. This powder can act as a cushion. It absorbs shocks gently. This helps protect delicate parts.
Its tiny pores trap air. This stops heat moving through convection. It also reduces heat radiation. This combination makes it a top insulator. People choose it for high-performance needs. It fits where space is limited. It offers big benefits in a small package.
Company Profile
Tanki New Materials Co.Ltd. focus on the research and development, production and sales of ceramic products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2015, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.
Our products includes but not limited to Aerogel, Aluminum Nitride, Aluminum Oxide, Boron Carbide, Boron Nitride, Ceramic Crucible, Ceramic Fiber, Quartz Product, Refractory Material, Silicon Carbide, Silicon Nitride, ect. please feel free to contact us.

Payment Methods
T/T, Western Union, Paypal, Credit Card etc.
Shipment Methods
By air, by sea, by express, as customers request.
5 FAQs of High Quality 5 um SiO2 Aerogel Powder CAS No. 7631-86-9 Silica Aerogel
Silica aerogel powder is a special material. It looks like a fine, lightweight powder. The particles are around 5 micrometers in size. Its CAS number is 7631-86-9. This powder is famous for being extremely light. It feels almost weightless. It has a very low density. This makes it a top choice for insulation. It traps heat incredibly well. It keeps heat from moving through it. This powder is hydrophobic. It repels water effectively. Water does not easily soak into it. This property helps maintain its insulation power. It stops moisture from ruining its performance.
People often ask what it is. It is a dried gel made mostly of silica. Silica comes from silicon and oxygen. The gel structure is mostly air. This creates the light feel. It is mostly empty space inside. This structure gives it unique abilities.
People want to know why it is special. Its key feature is super low thermal conductivity. Heat struggles to pass through it. This makes it an outstanding insulator. It works better than many common materials. It provides excellent thermal resistance. Buildings and industrial gear use it. It saves energy by reducing heat loss.
People ask about handling it. You must handle it carefully. It is a very fine powder. It can float in the air easily. Wear protective gear. Use a mask and gloves. Avoid breathing it in. Keep it away from your eyes. Work in a well-ventilated area. Prevent dust clouds.
People want to know its uses. It is mainly used for thermal insulation. It goes into building panels. It is used in pipe insulation. Aerospace applications use it too. It insulates sensitive equipment. It protects against extreme temperatures. Some labs use it for experiments. Its unique structure is studied.
People ask how to store it. Keep it in a dry place. Moisture can damage it. Seal the container tightly after use. Store it away from humidity. Protect it from strong impacts. Avoid crushing the powder. Keep it at room temperature. Do not expose it to direct sunlight for long periods.
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