Our High-Purity Quartz Wool (also known as Fused Silica Wool) is an exceptional fibrous material crafted from ultra-pure quartz glass. Designed for demanding applications, it offers unparalleled resistance to high temperatures and a wide range of corrosive chemicals, ensuring superior performance where purity and inertness are critical. Ideal for use as a high-temperature insulating material, a non-contaminating filtering medium, or an inert packing material in various laboratory and industrial processes, this versatile wool provides reliable and consistent results.

Remarks:
- ayment method: By wire transfer or advance payment, depending on the quantity of the order.
- Delivery time: According to the order quantity.
- Transportation method: Sea freight or air freight, depending on the customer.
| Property Content | Property Values |
|---|---|
| SiO2 | 99.99% |
| Density | 2.2×10³ kg/cm³ |
| Hardness | 5.5 - 6.5 Mohs' Scale 570 KHN 100 |
| Tensile Strength | 4.8×10⁷ Pa (N/mm2) (7000 psi) |
| Compression Strength | >1.1×10⁹ Pa (160,000 psi) |
| Coefficient of Thermal Expansion | 5.5×10⁻⁷ cm/cm·°C (20°C-320°C) |
| Thermal Conductivity | 1.4 W/m·°C |
| Specific Heat | 670 J/kg·°C |
| Softening Point | 1730°C (3146°F) |
| Annealing Point | 1210°C (2210°F) |
| Strain Point | 1120°C (2048°F) |
| Work Temperature | 1200°C (2192°F) |
| Electrical Resistivity | 7×10⁷ ohm cm (350°C) |
| Size | Customized |
| Logo | Customized Logo Accept |
Exceptional High-Temperature Resistance
High-purity quartz wool can withstand extremely high temperatures, far exceeding traditional glass or ceramic fibers, making it an ideal choice for insulation, packing, and filtration applications in furnaces, ovens, and other high-temperature environments.
Superior Chemical Inertness & Purity
Made from ultra-pure fused silica (typically SiO2 ≥ 99.99%), this wool is highly resistant to a vast range of corrosive chemicals, including most acids and alkalis. Its non-contaminating nature is crucial for sensitive processes where leaching of impurities must be absolutely avoided.
Excellent Filtration and Packing Medium
Its fibrous structure provides an effective and inert medium for high-temperature filtration of gases and liquids, as well as for packing chromatography columns or reaction vessels, ensuring efficient separation and uniform flow without reacting with the contained substances.
Low Thermal Conductivity & Effective Insulation
The fine, entangled fibers create numerous air pockets, giving quartz wool excellent thermal insulating properties. This makes it highly efficient at minimizing heat loss or gain, contributing to energy savings and temperature stability in various industrial and laboratory applications.
Application Scenario
High-Temperature Thermal Insulation
Used as an effective insulating material in laboratory furnaces, industrial kilns, ovens, and other high-temperature equipment. Its ability to withstand extreme heat and its low thermal conductivity minimize heat loss, ensuring temperature stability and energy efficiency.
Chemical Filtration Media
Employed as a highly inert and pure filtration medium for corrosive liquids, hot gases, or in processes where even trace contamination from the filter material is unacceptable. This is crucial in analytical chemistry, pharmaceutical production, and semiconductor manufacturing.
Handle with care
Quartz glass products are made from valuable materials and must be handled gently to avoid collisions and falls.
Regular maintenance
The maintenance of quartz tubes must be performed regularly to ensure their long-term stable performance. Regularly check the connections, fixings, and mechanical vibrations of the quartz tubes to prevent abnormalities. The exterior of the quartz tubes is prone to contamination from dust and moisture, so they should be cleaned regularly.
Storage environmen
When storing quartz tubes, care should be taken to avoid exposure to mechanical vibrations, shocks, and excessively high temperatures. They should be kept in a dry, cool, and well-ventilated place, avoiding direct sunlight and high-temperature environments.
The main difference lies in purity and performance. High-purity quartz wool is made from nearly pure silicon dioxide (SiO2 ≥ 99.99%), offering significantly higher temperature resistance, superior chemical inertness, and virtually no contamination compared to standard fiberglass or ceramic wools. This makes quartz wool indispensable for applications requiring ultimate purity, resistance to harsh chemicals, and more extreme temperatures than other fibrous materials can withstand.
Yes, high-purity quartz wool is a fibrous material that can be easily handled, cut, and shaped to fit various configurations. It can also be compressed to achieve desired densities for specific insulation, filtration, or packing requirements in laboratory and industrial settings, offering excellent versatility for custom applications.
While generally safe, like any fine fibrous material, it’s recommended to handle high-purity quartz wool with appropriate personal protective equipment (PPE) such as gloves and a dust mask or in a well-ventilated area. This helps prevent irritation from airborne fibers, especially when cutting or manipulating the material, ensuring user safety.
Frequently asked questions
We specialize in the end-to-end manufacturing of high-purity quartz glass components. Our core product lines include:
Quartz Tubing & Rods: A wide range of diameters and specifications.
Quartz Plates & Discs: Precision-cut and polished for optical and industrial use.
Quartz Labware: A full suite of standard and custom glassware, including beakers, flasks, and boats.
Semiconductor-Grade Quartz: High-purity components like process tubes and carriers for semiconductor fabrication.
Custom Fabricated Components: We can produce complex parts tailored to your unique designs and specifications.
Yes. Custom fabrication is at the core of our business. With over a decade of specialized experience, we partner with companies to provide expert OEM/ODM services. Our capabilities include welding, grinding, drilling, polishing, bending, and other precision processing techniques to create components that meet your exact requirements.
Quality is paramount in our manufacturing process. We are an ISO 9001:2015 certified manufacturer, ensuring that our processes meet international quality management standards.Our products also undergo rigorous SGS testing for purity and performance. We use high-purity raw materials (up to 99.998% SiO2) to produce fused quartz and fused silica products with exceptional thermal stability, high-temperature resistance, and chemical inertness.
We've streamlined our process to be as efficient as possible:
Submit Your RFQ: Send us your technical drawings, specifications, and requirements via our website contact form or email.
Rapid Response: You can expect an initial response within minutes and detailed communication within half an hour.
Design & Proposal: We will deliver a detailed design proposal and a competitive quote within 24 hours.
Prototyping & Production: Upon approval, we move swiftly from prototyping to full-scale production to meet your deadlines.
Partnering with Aoxin Quartz offers several key advantages:
Proven Expertise: With 10+ years in the industry, we have the technical knowledge to tackle complex challenges.
One-Stop Solution: We manage the entire production process, from sourcing high-purity raw materials to fabricating and finishing complex components.
Competitive Value: Located in a major quartz production hub, we leverage an efficient supply chain and advanced manufacturing to offer exceptional quality at a competitive price point.
Dedicated Partnership: Over 90% of our clients become long-term partners. We are committed to your success through responsive service, reliable quality, and innovative solutions.


























