Jun 16, 2025

Benefits of Pre-Shrunk High Silica Fabric



 

 

Pre-shrunk high silica fabric is a high-performance textile material made from silica-rich fibers (typically >96% SiO₂) that have undergone a pre-shrinking treatment. This process enhances the fabric’s dimensional stability and thermal performance, making it ideal for use in high-temperature and fire protection applications. Below are the key benefits of using pre-shrunk high silica fabric:

1. Excellent Thermal Resistance

Pre-shrunk high silica fabric can withstand continuous temperatures up to 1000°C (1832°F) and short-term exposure to even higher levels. It is commonly used as:

  • Welding blankets

  • Furnace curtains

  • High-temperature insulation wraps

2. Minimal Shrinkage Under Heat

The pre-shrinking process stabilizes the fabric, ensuring minimal shrinkage during actual use. This prevents dimensional deformation in:

  • Heat shielding

  • Aerospace insulation

  • Industrial fire curtains

3. High Strength and Durability

Despite exposure to high temperatures, the fabric maintains mechanical strength and flexibility, making it suitable for:

4. Chemical and Flame Resistance

Silica fabric is naturally flame-retardant and resistant to most acids, alkalis, and chemical splashes, making it reliable in:

  • Chemical processing plants

  • Foundries and steelworks

5. Smooth Handling and Easy Fabrication

Pre-shrinking also enhances surface smoothness and reduces fraying, making it easier to:

  • Cut, sew, and fabricate

  • Integrate into multilayer insulation systems

6. No Asbestos – Eco and Worker Friendly

Being a non-asbestos material, high silica fabric is a safer and environmentally compliant alternative for thermal and fireproof applications.

Common Applications

  • Thermal insulation covers for pipes and valves

  • Fireproof blankets and curtains

  • Heat shields for automotive and aerospace industries

  • Protective clothing for foundry and welding workers



EAS Fiberglass Co., Ltd is a professional fiberglass products supplier and provides comprehensive and effective material industrial solutions covering the market of high-performance FRP, highly effective temperature insulation, and highly convenient construction. Nowadays, EAS owns various product lines of fiberglass yarn forming, woven fabricsfabric coating/lamination, FRP, etc. The complete product lines enable EAS to master the quality control and products market competitive. Taking this advantage involves us in many projects and enhance brand promotion. Certified ISO9001-2008 equips EAS staff and management with a more professional operation. Certification of test reports for products is made by third-party laboratories SGS, TUV, DNV, etc.