High Silica Fiber Tape
High Silica Fiber is the fourth-generation heat-resistant fiber material following asbestos, ceramic fiber, and glass fiber. It is produced using ultra-fine High Silica Fibers, advanced international technology, and specialized equipment through multiple rigorous processes. With a high-bond-energy molecular structure, High Silica Fiber exhibits superior "thermal stability, chemical stability, and wave transparency" compared to other heat-resistant fibers, along with excellent environmental benefits (asbestos-free, dust-free, non-irritating to skin).
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Product Introduction

High Silica Fiber is the fourth-generation heat-resistant fiber material following asbestos, ceramic fiber, and glass fiber. It is produced using ultra-fine High Silica Fibers, advanced international technology, and specialized equipment through multiple rigorous processes. With a high-bond-energy molecular structure, High Silica Fiber exhibits superior "thermal stability, chemical stability, and wave transparency" compared to other heat-resistant fibers, along with excellent environmental benefits (asbestos-free, dust-free, non-irritating to skin). It serves as the optimal substitute for traditional fireproof and heat-resistant materials and is an ideal wave-transparent material. Applications span high-tech fields such as aerospace, military, nuclear energy; 5G communication equipment (radomes, antenna covers, wave-transparent devices); transportation (automotive parts, rail transit, marine engineering, aircraft); new energy (battery safety protection, solar energy, air energy); and other specialized industries (metallurgy, petrochemicals, construction, environmental protection, power, fire protection).
High Silica fiber tape, made from silica fiber filaments or their stranded yarns through multiple processes, is a multi - functional material that can meet the needs of different occasions.
Performance Characteristics

- High-Temperature Resistance:
Maximum series softening point approaches 1,700°C.
Maintains fibrous state and flexibility after 1 hour at 1,000°C under static conditions.
Instantaneous heat resistance up to 1,450°C (varies by series).
- Fireproof & Flame-Retardant:
Achieves Class A1 non-combustibility (GB8624-2012 standard).
- Ablation Resistance & Low Thermal Conductivity:
Stable under thermal shock and extreme radiation.
Excellent thermal insulation and safety in ultra-high-temperature environments (e.g., withstands 90 minutes of 1,000°C butane torch without penetration; varies by product series).
- High-Temperature Insulation: Superior insulation under high temperatures and voltages for cable protection.
- Corrosion Resistance: Maintains performance in weak acids/alkalis (excluding hydrofluoric, phosphoric, and hydrochloric acids).
- Aging Resistance: Resists weathering, moisture, and UV exposure.
- Eco-Friendliness: Asbestos-free (asbestos is classified as carcinogenic by IARC), dust-free (unlike ceramic fibers), and non-irritating (unlike glass fibers).

Certifications and Tests
Class A1 non-combustible (GB8624-2012 standard), European Standard M0 non-combustible, ASTM E84 Class A non-combustible.
High Silica Fiber Tape Product Categories (Common Specifications)
|
Series |
Product model |
Thickness (mm) |
Weight (g/㎡) |
Fabric Weave |
Width (cm) |
SiO2 content (%) |
Recommended operating Temperature |
Product characteristics |
|
RF Series |
FSD-B-RF260 |
0.26±0.026 |
240±20 |
P |
(26~100)±5 |
92±2 |
Below 800℃ |
Excellent thermal insulation, A-class fireproof. |
|
FSD-B-RF700 |
0.70±0.07 |
615±62 |
T |
(26~100)±5 |
||||
|
FSD-B-RF1700 |
1.7±0.17 |
1350±150 |
DP |
(26~100)±5 |
||||
|
FSD-B-RF3000 |
3.0±0.3 |
2400±240 |
DP |
(26~100)±5 |
||||
|
RS Series |
FSD-B-RS260 |
0.26±0.026 |
240±20 |
P |
(26~100)±5 |
96±2 |
Below 1000℃ |
High temperature resistance, good thermal insulation effect, fire A non-combustible, good penetration, uniform soaking, coating and composite fastness. |
|
FSD-B-RS700 |
0.70±0.07 |
615±62 |
T |
(26~100)±5 |
||||
|
FSD-B-RS1700 |
1.7±0.17 |
1350±150 |
DP |
(26~100)±5 |
||||
|
FSD-B-RS3000 |
3.0±0.3 |
2400±240 |
DP |
(26~100)±5 |
Note: The above are only some models and parameters of our common specifications. If you need other models or have customized needs, you can consult business personnel.
Disclaimer: The above technical parameters and pictures are for reference only and are not used as the technical basis for each batch of actual products.
Main Uses
Used as fireproof, high temperature resistance, heat insulation, sound absorption, high temperature sealing materials
- High Temperature Silica Tapes are engineered for critical applications, including thermal insulation in military, aerospace, and nuclear power, as well as in brake friction liners;
- Metallurgical, mechanical and electrical, petroleum, chemical, power plant, transportation, mechanical equipment and other general industrial fields: hot and cold pipes, containers, boilers, valves, flanges, pumps, and some power supply or process temperature related proprietary equipment: Such as steam turbine, engine, compressor, press, injection molding machine, vulcanization machine and other excellent thermal insulation materials under high temperature conditions, high temperature resistance, good durability.
As Ultra-High-Temperature Insulation Material
- Protective sheathing for cables and wires under extreme conditions (200°C+), offering higher voltage resistance and durability (600–1000°C) compared to conventional tapes. Applications include steel plants, power plants, kilns, and high-temperature machinery.






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