Dielectric High Silica Fabric Cloth
Low-Moisture, High-Purity Dielectric Cloth for Electrical & High-Temperature Insulation
Dielectric High Silica Fabric Cloth is a premium woven insulation material produced from high-purity silica fibers with silica content ≥96–98%, specially processed to achieve excellent dielectric strength, very low moisture absorption, and superior thermal resistance.
This fabric cloth is designed for electrical insulation, RF-transparent applications, aerospace components, and high-temperature industrial systems, where stable electrical performance and heat resistance are critical.
Key Performance Advantages
- High Silica Content: ≥96–98% SiO₂
- Excellent Dielectric Strength & Electrical Insulation
- Low Moisture Absorption (Dielectric Grade)
- Low Dielectric Constant & Low Dielectric Loss
- Continuous Operating Temperature: Up to 1000°C
- Low Thermal Expansion (CTE)
- Non-Conductive & Non-Magnetic
- Good Chemical & Oxidation Resistance
- Non-Asbestos & Environmentally Safe
Dielectric high silica fabric cloth maintains consistent insulation and electrical reliability even under thermal cycling, humidity, and high-voltage exposure.
Fabric Construction & Options
- Weave Styles: Plain, Twill, Satin
- Finish: Heat-cleaned, dielectric-grade
- Fabric Form: Cloth / Roll
- Optional Treatments: Resin-compatible surface finish
The cloth can be supplied as-woven or customized for electrical insulation laminates and composite structures.
Typical Technical Specifications
| Property | Value |
|---|---|
| Product Type | Dielectric High Silica Fabric Cloth |
| Fiber Composition | High Silica Fiber |
| Silica Content | ≥96–98% |
| Weave Style | Plain / Twill / Satin |
| Thickness | Customizable |
| Areal Weight | 200 – 1200 gsm |
| Continuous Service Temp. | Up to 1000°C |
| Dielectric Strength | High |
| Dielectric Constant | Low |
| Moisture Absorption | Very Low |
| Color | Off-White / Light Brown |
Industrial Applications
Electrical & Power Industry
- Electrical insulation barriers
- Transformer and motor insulation
- High-voltage insulation layers
RF & Electronics
- RF-transparent insulation cloth
- Electrical isolation in electronic assemblies
Aerospace & Defense
- Thermal and electrical insulation fabrics
- High-temperature composite backing layers
High-Temperature Industrial
- Furnace and kiln insulation
- Fire protection blankets
- Expansion joints and thermal barriers
Processing & Customization
- Supplied in rolls or cut-to-size sheets
- Custom widths, thicknesses, and weaves
- Resin impregnation (epoxy, silicone, phenolic) available
- Export-grade packaging with full documentation
Standards, Compliance & Quality Assurance
- ASTM D150 – Dielectric Properties
- ASTM D257 – Electrical Resistance
- ASTM Thermal Performance Standards
- ISO 9001 – Quality Management System
- RoHS & REACH Compliant
Each shipment includes TDS, COA, dielectric test data, and batch traceability.
Why Choose Our Dielectric High Silica Fabric Cloth?
- High-purity silica fibers with stable dielectric behavior
- Low moisture absorption for electrical reliability
- Proven performance in high-temperature environments
- Custom-engineered solutions for electrical insulation
- Trusted exporter to USA, Europe, Middle East & Asia
FAQs
It is specially processed to reduce moisture absorption and enhance dielectric performance.
Yes, it offers excellent dielectric strength and electrical insulation.
Yes, it can be supplied with resin-compatible finishes.
Yes, it is completely non-asbestos and environmentally safe.
Product Tag:
Dielectric high silica fabric cloth, electrical insulation silica cloth, low moisture silica fabric, dielectric silica cloth, high temperature insulation silica cloth