Quartz Fiber Knitted Rope

Quartz Fiber Knitted Rope

Ultra-Pure Quartz Knitted Rope for Flexible High-Temperature Sealing & Insulation

Quartz Fiber Knitted Rope is a high-performance thermal insulation rope manufactured from continuous amorphous quartz fibers with SiO₂ ≥ 99.9%.

The knitted construction provides exceptional flexibility, compressibility, and recovery, making it ideal for dynamic sealing, vibration-prone applications, and irregular or moving joints exposed to extreme temperatures.

Compared to braided or twisted ropes, knitted quartz rope offers superior elasticity and resilience, allowing it to maintain effective sealing under thermal cycling and mechanical movement while preserving outstanding thermal and dielectric properties.

Key Performance Advantages

  • Silica (SiO₂) Content: ≥99.9% (Ultra-High Purity Quartz)
  • Continuous Operating Temperature: Up to 1050°C
  • Short-Term Temperature Resistance: Up to 1200°C
  • Knitted Construction for Maximum Flexibility & Compressibility
  • Excellent Dielectric Strength & Electrical Stability
  • Low Thermal Expansion & Minimal Shrinkage
  • Non-Combustible, Non-Asbestos & Halogen-Free

Quartz knitted rope provides long-lasting sealing performance even under repeated compression and thermal shock.

Knitted Construction & Engineering Benefits

  • Exceptional flexibility and bend recovery
  • High compressibility for effective sealing
  • Good vibration and movement absorption
  • Uniform diameter and consistent density

This construction makes knitted quartz rope ideal for dynamic joints, expansion gaps, and applications where movement or vibration is present.

Typical Technical Specifications

Property Value
Product Type Quartz Fiber Knitted Rope
Fiber Composition Amorphous Quartz Fiber
SiO₂ Content ≥99.9%
Construction Knitted
Diameter Range 5 mm – 50 mm (custom sizes available)
Continuous Temperature Up to 1050°C
Short-Term Temperature Up to 1200°C
Color Bright White
Custom diameters, densities, and constructions available on request.

Industrial Applications

High-Temperature Industrial Use

  • Furnace door and expansion joint sealing
  • Kiln, oven, and boiler insulation
  • Dynamic gasket and groove sealing

Aerospace & Defense

  • Flexible thermal insulation
  • Fire-resistant sealing components

Electrical & Electronics

  • Electrical insulation in high-heat environments
  • Dielectric thermal barriers

Semiconductor & Cleanroom

  • High-purity thermal sealing
  • Contamination-sensitive insulation applications

Optional Treatments & Conversions

  • Heat-cleaned finish for maximum purity
  • Dielectric-optimized variants
  • Dry, lubricant-free construction
  • Custom cut lengths or continuous coils

Standards, Compliance & Quality Assurance

  • ASTM E84 – Flame Spread Index
  • ASTM D149 – Dielectric Breakdown Voltage
  • ISO 9001 – Quality Management System
  • RoHS & REACH Compliant
  • Non-Asbestos & Environmentally Safe

Each batch is supplied with TDS, COA, and full material traceability.

Why Choose Our Quartz Fiber Knitted Rope?

  • Ultra-high purity ≥99.9% SiO₂ quartz fibers
  • Superior flexibility and resilience
  • Stable performance under thermal cycling
  • Consistent diameter and quality control
  • Trusted global export supplier to USA, Europe, Middle East & Asia

FAQs

Knitted rope offers greater flexibility, compressibility, and recovery, ideal for dynamic or vibrating applications.

Yes, it provides excellent dielectric strength and thermal stability.

Yes, it is ideal for high-temperature sealing where movement or expansion occurs.

Yes, it is completely non-asbestos and environmentally safe.