Product: Quartz fiber yarn
Loading time: 2025/10/27
Loading quantity: 10KGS
Ship to: Russia
Specification:
Filament diameter: 7.5±1.0 um
Density: 50 tex
SiO2 content: 99.9%
In the demanding fields of aerospace, defense, and high-frequency electronics, structural integrity and electromagnetic transparency are non-negotiable. This necessity has elevated Quartz Fiber Yarn—specifically those utilizing a 7.5 microns filament diameter—to a critical material for advanced engineering. Derived from ultra-high purity silica SiO2 content 99.9%, this yarn is the foundation for composites that thrive in the most hostile conditions.
Precision Engineering: The Advantage of 7.5 microns.
The 7.5 microns filament diameter is the workhorse of high-performance quartz fiber applications. This size strikes an optimal balance, providing:
Excellent Processability: The fine diameter allows the yarn to be woven into precise, high-density fabrics and integrated smoothly into resin matrices, which is essential for uniform laminate thickness and quality control.
Superior Mechanical Integration: When compounded into a matrix, the 7.5 microns filaments create a dense network that efficiently transfers load, significantly boosting the composite’s flexural and tensile strength without adding excessive weight.
The Thermal and Electromagnetic Shield
The inherent chemical composition of quartz glass imparts a set of unparalleled properties that few other materials can match:
Extreme Thermal Stability: Quartz fiber can withstand continuous use at temperatures up to 1050℃ and has a softening point near 1700℃. Coupled with a near-zero coefficient of thermal expansion, it offers **unmatched resistance to thermal shock**, making it ideal for ablative shields and rocket motor insulation.
Best-in-Class Dielectric Performance: Quartz fiber boasts an extremely low dielectric constant and minimal loss factor. This property is crucial for **Radomes** (protective radar covers) on aircraft and missiles, allowing signals to pass through with near-zero attenuation or distortion.
High Purity and Inertness: The 99.9% SiO2 purity makes the material highly inert. It does not contaminate sensitive processes, making it mandatory for certain applications in the **semiconductor industry** and high-reliability systems.
Core Applications Defining the Future
The 7.5 microns quartz fiber yarn is not a commodity; it is a strategic material used across critical sectors:
Aerospace & Communications: As the leading structural reinforcement for Radomes, it ensures the reliability of airborne and space-based radar and communication systems.
Defense & Space: Used extensively in **thermal protection systems (TPS)** and rocket components due to its ablation resistance and ability to maintain structural integrity under hyper-thermal loads.
Advanced Electronics: The material’s stable electrical properties are key to fabricating high-frequency, high-performance printed circuit boards (PCBs) used in next-generation electronics.
By providing a reliable blend of thermal endurance, structural strength, and electromagnetic transparency, the 7.5 microns quartz fiber yarn remains an essential driver in the pursuit of lighter, faster, and more resilient high-performance technology.
Contact information:
Sales manager: Yolanda Xiong
Email: sales4@fiberglassfiber.com
Cell phone/wechat/whatsapp: 0086 13667923005
Product: Quartz fiber yarn
Loading time: 2025/10/27
Loading quantity: 10KGS
Ship to: Russia
Specification:
Filament diameter: 7.5±1.0 um
Density: 50 tex
SiO2 content: 99.9%
Post time: Oct-27-2025
