Overview of Hot Hydrophobic silica aerogel powder nano powder for thermal insulation
Aerogels are ultralight, highly porous materials known for their exceptional insulation properties, remarkable low density, and incredible strength-to-weight ratios. Often referred to as “frozen smoke” due to their ethereal appearance, aerogels are produced by replacing the liquid component of a gel with gas, typically through supercritical drying, which avoids collapse of the gel structure. Composed primarily of air (up to 99.98%), these materials exhibit a wide array of unique characteristics that make them valuable across various industries.
Features of Hot Hydrophobic silica aerogel powder nano powder for thermal insulation
-
Extremely Low Density: Aerogels are some of the world’s lightest solids, with densities as low as 0.001 grams per cubic centimeter.
-
Superb Insulation: They possess extremely low thermal conductivity, making them among the best insulators known to man, effective at temperatures from -270°C to 1,000°C.
-
High Porosity: With a porous structure that can reach up to 99.9%, aerogels have an incredibly large internal surface area, enhancing their functionality in absorption and catalysis applications.
-
Translucent to Transparent: Depending on their composition, aerogels can transmit light, giving them a unique semi-transparent or transparent appearance.
-
Mechanical Strength: Despite their fragile appearance, aerogels can be engineered to possess significant mechanical strength, capable of bearing considerable weight.
-
Chemically Inert: Many aerogels are chemically stable and resistant to corrosion, making them suitable for harsh environments.
(Hot Hydrophobic silica aerogel powder nano powder for thermal insulation)
Parameters of Hot Hydrophobic silica aerogel powder nano powder for thermal insulation
Hot hydrophobic silica aerogel powder nano-powder is an advanced material known for its exceptional properties in thermal insulation. This innovative material is derived from silica and undergoes a unique process of drying under vacuum conditions to form a gel, which then transforms into an aerogel through the replacement of liquid with a gas, typically air. The result is a lightweight, highly porous structure that boasts remarkable thermal insulation capabilities.
The primary parameter influencing the performance of hydrophobic silica aerogel powder nano-powder is its low thermal conductivity. Typically, this material exhibits a thermal conductivity significantly lower than conventional insulators, making it an ideal choice for applications requiring high efficiency in heat retention or dissipation. The low density of the aerogel further contributes to its superior insulation properties, as less material is needed to achieve effective thermal barriers.
Another critical aspect of this material is its hydrophobicity, which enhances its durability and versatility. Hydrophobic silica aerogels repel water, preventing moisture absorption that could compromise insulation performance. This property is particularly advantageous in environments where water exposure is likely, such as in construction, aerospace, or marine applications.
In terms of environmental impact, hydrophobic silica aerogel powder nano-powder offers several benefits. Its low thermal conductivity reduces energy consumption in heating and cooling processes, contributing to energy savings and potentially lowering carbon footprints. Moreover, due to its light weight and high porosity, the material requires less energy for transportation and installation compared to denser insulating materials, further reducing environmental impact.
From a technical standpoint, the material’s microstructure plays a crucial role in its performance. The nano-powder form allows for enhanced surface area, which can be tailored to optimize specific properties like thermal insulation or chemical reactivity. Additionally, the aerogel’s pore size and connectivity can be manipulated to balance between thermal insulation and mechanical strength, making it suitable for a wide range of applications.
The versatility of hydrophobic silica aerogel powder nano-powder extends beyond thermal insulation. It finds use in various sectors including electronics, where its high dielectric constant and low loss tangent make it ideal for capacitors; in the automotive industry for noise reduction and lightweight components; and in biomedical applications, such as drug delivery systems and tissue engineering scaffolds, due to its biocompatibility and tunable properties.
In conclusion, hot hydrophobic silica aerogel powder nano-powder represents a significant advancement in the field of thermal insulation materials. Its combination of low thermal conductivity, hydrophobic properties, and customizable microstructure makes it a promising solution for a multitude of industrial and environmental challenges. As research continues to explore new applications and enhance existing ones, the potential of this material is poised to expand, offering innovative solutions across various sectors.
(Hot Hydrophobic silica aerogel powder nano powder for thermal insulation)
Applications of Hot Hydrophobic silica aerogel powder nano powder for thermal insulation
-
Thermal Insulation: Used in aerospace for spacecraft insulation, and in commercial and residential buildings for energy-efficient windows and insulation materials.
-
Environmental Remediation: Aerogels’ high surface area makes them effective in absorbing pollutants like oil spills and heavy metals from water.
-
Sound Absorption: Their porous structure absorbs sound waves effectively, making them useful in noise reduction applications.
-
Electronics: Aerogels’ low thermal conductivity and electrical insulation properties find applications in semiconductor and battery technology.
-
Optics and Photonics: Translucent aerogels are used in optical devices, light-guiding structures, and as filters.
-
Drug Delivery: The high surface area can be utilized for controlled drug release, making aerogels candidates for advanced medical applications.
Company Profile
Graphne Aerogels is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality aerogel and graphene products.
The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.
If you are looking for high-quality graphene, aerogel and relative products, please feel free to contact us or click on the needed products to send an inquiry.
Payment Methods
L/C, T/T, Western Union, Paypal, Credit Card etc.
Shipment
It could be shipped by sea, by air, or by reveal ASAP as soon as repayment receipt.
FAQs of Hot Hydrophobic silica aerogel powder nano powder for thermal insulation
Q: Is Hot Hydrophobic silica aerogel powder nano powder for thermal insulation fragile?
A: Traditional aerogels are brittle and fragile; however, advancements have led to the development of “flexible” or “rigid” aerogels that maintain their unique properties while being more durable.
Q: How is Hot Hydrophobic silica aerogel powder nano powder for thermal insulation made?
A: Hot Hydrophobic silica aerogel powder nano powder for thermal insulation is synthesized by replacing the liquid in a gel with gas without causing the structure to collapse. This is typically achieved through supercritical drying, where the solvent is converted to a supercritical state, allowing it to evaporate without forming liquid-gas interfaces that could damage the gel structure.
Q: Is Hot Hydrophobic silica aerogel powder nano powder for thermal insulation expensive?
A: Historically, aerogels have been costly due to their complex manufacturing process. However, with technological advancements and economies of scale, costs are gradually decreasing.
Q: Can Hot Hydrophobic silica aerogel powder nano powder for thermal insulation conduct electricity?
A: Most aerogels are poor conductors of electricity due to their porous, insulating nature. However, certain metal-oxide aerogels can display semiconducting or even conducting properties.
Q: Is Hot Hydrophobic silica aerogel powder nano powder for thermal insulation environmentally friendly?
A: Aerogels themselves do not pose environmental hazards, and their use in insulation can reduce energy consumption. However, the production process may involve chemicals that require careful handling and disposal.
(Hot Hydrophobic silica aerogel powder nano powder for thermal insulation)
