High Silica Fiber Chopped Strand
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-High Silica Fibers, advanced international technology, and specialized equipment through multiple rigorous processes. With a high-bond-energy molecular structure, high 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-High Silica Fibers, advanced international technology, and specialized equipment through multiple rigorous processes. With a high-bond-energy molecular structure, high 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 plays a critical role in aerospace and defense industries as a key material for advanced applications.
High-silica fiber chopped strands are produced by cutting continuous high silica fiber yarns, with customizable lengths and twists per customer requirements.
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).
- Corrosion Resistance: Maintains performance in weak acids/alkalis (excluding hydrofluoric, phosphoric, and hydrochloric acids).
- Aging Resistance: High Silica Glass Fiber Chopped Strand boasts exceptional durability against weathering, moisture, and UV radiation.
- Dispersibility & Permeability: Uniform thickness, density, and weight distribution in felts or mats; excellent resin compatibility and adhesion for dense composites.
- 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 Chopped Strand Product Category (Common Specifications)
|
Series |
Product model |
Length (mm) |
SiO2 Content (%) |
Recommended operating temperature |
Product characteristics |
Application field |
|
RF Series |
FSD-S-RF-(50-100) |
50-100 |
92±2 |
Below 800℃ |
Good dispersion, uniform thickness and density of felt into cotton, stable gram weight, low thermal conductivity, fire retardant class A non-combustible |
High temperature needle felt, filter felt, high temperature cotton. |
|
RS Series |
FSD-S-RS-3 |
3 |
96±2 |
Below 1000℃ |
Good mutual permeability with the resin, high adhesion, and good dispersion make the product have better densification and quality stability and consistency, fire-proof class A non-combustible |
For ablative and high temperature resistant reinforced plastic substrates, such as reinforced phenolic plastics, high temperature resistant sheets, anti-corrosion sheets, pressed ablative body (missile heat shield), etc. |
|
FSD-S-RS-6 |
6 |
|||||
|
FSD-S-RS-12 |
12 |
|||||
|
FSD-S-RS-18 |
18 |
|||||
|
FSD-S-RS-24 |
24 |
|||||
|
FSD-S-RS-(50-100) |
50-100 |
Good dispersion, uniform thickness and density of felt into cotton, stable gram weight, low thermal conductivity, fire retardant class A non-combustible |
High temperature needle felt, filter felt, high temperature cotton. |
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 (FSD) 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
- Thermal Insulation & Acoustic Materials
High-temperature needled felts for insulation and sound absorption; high-temperature filtration felts (environmental filters).
- Heat-Resistant Filling Materials
High-purity silica oxide chopped fiberglass strand, designed for use as an ultrafine high-temperature insulation filling wool.
- Reinforced Plastic Substrates
Ablation-resistant and high-temperature substrates for phenolic plastics, heat-resistant panels, anti-corrosion boards, and missile heat shields.
- Wave-transmitting material
Can be used as a substrate for wave-transmitting materials.
Note: The use of different series varies.
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