Pre-oxidized yarn refers to fibers formed by pre-treatment of pre-oxidized polyacrylonitrile (PAN). Pre-oxidized fibers are high-strength, high-modulus fibers typically made from polyacrylonitrile (PAN) polymer. Before preparing pre-oxidized yarn, PAN fibers undergo a pretreatment step known as pre-oxidation. Pre-oxidized fibers exhibit high carbonization properties, meaning that at high temperatures, they can be further heat-treated to produce high-purity carbon fibers. Furthermore, pre-oxidized fibers exhibit low thermal conductivity and good mechanical properties.
Silica aerogel is an extremely lightweight solid material composed of approximately 90% or more air and a small amount of silica. Its very low density, high porosity, low thermal conductivity, and excellent optical properties make it an excellent thermal insulator.
Product Pictures & Performance Characteristics Of Pre-oxidized Silk Aerogel Felt
1. Excellent Thermal Insulation: Pre-oxidized silk aerogel felt has a low thermal conductivity, effectively insulating against both high and low temperatures.
2. Lightweight: Pre-oxidized silk aerogel felt is extremely lightweight, making it suitable for applications where weight is a concern.
3. Highly Porous Structure: Made from a composite of pre-oxidized fibers and silica aerogel, pre-oxidized silk aerogel felt boasts a highly porous structure, resulting in excellent sound absorption and cushioning properties.
4. Good Seismic Resistance: Pre-oxidized silk aerogel felt exhibits excellent seismic resistance, providing protection against natural disasters such as earthquakes.
5. Excellent Fire Resistance: Pre-oxidized silk aerogel felt exhibits excellent fire resistance, maintaining stable performance in high-temperature environments and effectively preventing fires.
6. Strong Corrosion Resistance: Pre-oxidized silk aerogel felt exhibits excellent corrosion resistance, allowing it to be used in highly corrosive chemical environments.
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We control every stage from fiber preparation to final aerogel blanket production, ensuring stable performance and dependable delivery.
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FAQ:
What are the main applications for pre-oxidized PAN aerogel felt?
Typical applications include:
Thermal insulation systems for high-temperature pipelines, boilers, and flues
Insulation materials for linings of industrial kilns and heat treatment equipment
Aerospace and thermal protection systems (such as heat shields and heat shields)
Thermal management of high-end equipment and electronic devices (for high-temperature or localized heating locations)
Thermal insulation materials for extreme conditions in the nuclear industry, petrochemicals, metallurgy, and other industries
What are the advantages of pre-oxidized PAN aerogel felt compared to traditional insulation materials (such as mineral wool, rock wool, and aluminum silicate felt)?
The main advantages are:
Lower thermal conductivity → Better insulation
Lighter and thinner → Space and weight savings
Improved high-temperature stability
Improved mechanical strength and flexibility
Excellent thermal shock resistance and long service life
Of course, its cost is generally higher than traditional materials.
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