1.Characteristics of high silica fiberglass yarn

What is high silica fiberglass yarn?High-silica fiberglass yarn is an inorganic fiber high-temperature resistant inorganic fiber yarn made of Na₂O-B₂O₃-SiO₂ ternary system glass balls through drawing, annealing and post-treatment, and the content of silicon dioxide (SiO₂) is usually above 96%. After special acid treatment and heat treatment, it has excellent thermal stability, thermal shock resistance, and insulation, and is suitable for extreme high temperature environments.

High silicon content ≥96%: stable structure, not easy to melt;

High temperature resistance up to 1000℃, instantaneous temperature resistance up to 1450℃;

Low thermal shrinkage: no deformation or brittleness at high temperature;

Good electrical insulation and low dielectric constant;

Strong corrosion resistance, oxidation resistance, and radiation resistance.

2. Advantages of high silica fiberglass yarn

Continuous high temperature resistance and strong thermal stability

Good chemical stability, adaptable to harsh environments

Green and environmentally friendly, no asbestos, no toxic gas release

Dimensionally stable, not easy to break or retract

3. Typical application scenarios

Fireproof cable sheathing materials

High-temperature sutures, insulating sewing threads

High-temperature webbing, fireproof cloth, thermal insulation blanket weaving

Rocket, aerospace thermal protection cover

High-temperature protective equipment for metallurgy and welding industry

4. Selection and use guide

Main parameter reference:

SiO₂ content: ≥96%

Linear density: 120, 160, 220tex, etc.

Usage suggestions:

Avoid sharp bending during use and try to keep the tension uniform;

The storage environment should be dry and ventilated to avoid moisture absorption;

5. FAQ

Silica content and temperature resistance

High silica glass fiber is mainly composed of silica (SiO₂), and the silica content of common products is above 94%. If the temperature resistance requirement reaches 1000℃, it is recommended to choose high silica glass fiber products with a silica content of more than 96% to ensure long-term performance stability. Our products meet this standard.

What is high silica glassfiber used for?

High silica glass fiber is widely used in the aerospace field due to its high temperature resistance, corrosion resistance, and good thermal insulation, such as rocket nozzles, engine compartment insulation, heat shields, and fire protection fields, such as fire blankets, fireproof cloths, and fire door linings. In addition, it can also be used in the military field, such as ship high temperature area insulation, explosion-proof and fireproof materials.

6. Summary

High silica fiberglass yarn is a high-quality inorganic fiber material with high temperature tolerance, chemical stability and environmental friendliness. It has a wide range of applications in aviation, military industry, power, welding, construction and other fields, and is an ideal basis for protection and insulation materials under many high-temperature working conditions.We are a fiberglass manufacturer in China.If you are looking for high-quality high silica fiberglass yarn, our product CYS153818-995 is the right choice.

For more information or to obtain our high silica fiberglass yarn product information, please contact me via email annayu@169chem.net or phone 18909016373.whats app:+86 18909016373