Dielectric Low Moisture High Silica Tape | Silica Content >98%
High-Temperature Dielectric Silica Tape for Electrical Insulation & Fire Protection
Dielectric Low Moisture High Silica Tape (>98% SiO₂) is a specialized high-temperature insulation tape engineered for applications requiring excellent electrical insulation, minimal moisture absorption, and stable performance under extreme thermal conditions.
Manufactured from ultra-high-purity silica fibers and processed with a low-moisture dielectric finish, this tape maintains high insulation resistance and dielectric strength even in humid and high-voltage environments.
Designed for continuous operating temperatures up to 1000°C and short-term exposure up to 1200°C, dielectric high silica tape is widely used in electrical insulation systems, power generation equipment, fire-resistant cable protection, and high-temperature electrical enclosures.
Key Performance Advantages
- Silica Content: >98% (Ultra-High Purity SiO₂)
- Excellent Dielectric Strength & Electrical Insulation
- Low Moisture Absorption – reduced dielectric loss
- Continuous Temperature Resistance: Up to 1000°C
- Short-Term Heat Exposure: Up to 1200°C
- Low Thermal Conductivity
- Non-Combustible, Non-Asbestos & Halogen-Free
The low-moisture formulation ensures reliable electrical insulation performance even in humid, high-voltage, and fire-exposed environments.
Tape Construction & Electrical Engineering Benefits
Dielectric Low Moisture High Silica Tape is produced from high-purity silica yarns converted through a controlled leaching process to achieve >98% silica content. A specialized dielectric surface treatment:
- Minimizes moisture uptake
- Enhances surface insulation resistance
- Improves dielectric breakdown voltage
- Maintains performance during thermal cycling
Available in plain weave, twill weave, or satin weave constructions to meet different flexibility and mechanical requirements.
Typical Technical Specifications
| Property | Value |
|---|---|
| Product Type | Dielectric High Silica Tape |
| Silica Content | >98% |
| Weave Style | Plain / Twill / Satin |
| Moisture Absorption | Very Low |
| Dielectric Strength | High |
| Continuous Temperature | Up to 1000°C |
| Short-Term Temperature | Up to 1200°C |
| Width Range | 10 mm – 300 mm (custom widths available) |
| Thickness | 0.1 mm – 3.0 mm |
| Color | White / Off-White |
Industrial Applications
Electrical & Power Industry
- High-voltage insulation wrapping
- Transformer, generator & motor insulation
- Electrical panel fire barriers
Fire-Resistant Cable Protection
- Fire-rated cable wrapping
- Cable pass-through insulation
- Electrical fire containment systems
Aerospace & Electronics
- Electrical insulation in high-temperature zones
- Fire-resistant avionics protection
- Thermal & dielectric shielding
Industrial Heating Equipment
- Electrical insulation in furnaces & ovens
- High-temperature wiring protection
- Combined thermal and electrical insulation
Optional Enhancements & Treatments
- Silicone impregnation – enhanced moisture resistance
- PTFE or specialty dielectric coatings – improved electrical insulation
- Metal wire reinforcement – increased mechanical strength
- Low-dust surface treatment – clean installation in sensitive areas
Standards, Compliance & Quality Assurance
- ASTM D149 – Dielectric Breakdown Voltage
- ASTM E84 – Flame Spread Index
- ASTM C892 – High-Temperature Insulation
- ISO 9001: Quality Management System
- RoHS & REACH Compliant
- Non-Asbestos & Environmentally Safe
Each batch is supplied with TDS, COA, dielectric test reports, and full traceability documentation.
Why Choose Our Dielectric High Silica Tape?
- Guaranteed >98% silica purity
- Low-moisture, dielectric-optimized formulation
- Stable electrical & thermal performance
- Multiple weaves, widths & custom options
- Trusted global export supply to USA, Europe, Middle East & Asia
FAQs
Its low moisture absorption and enhanced surface insulation provide reliable dielectric performance in high-voltage environments.
Yes, it is specifically designed to maintain insulation performance in humid and moisture-prone environments.
Yes, it is non-combustible and ideal for fire-rated electrical insulation and cable protection.
Yes, self-adhesive backing is available upon request.