High-Performance Fiberglass Felt for Industrial Insulation & Reinforcement
Our premium fiberglass felt is engineered to meet the rigorous demands of modern industrial applications. As a versatile, non-combustible, and durable material, it serves as an essential component in thermal and acoustic insulation systems, as well as a reinforcement layer in composite manufacturing. Manufactured with continuous glass filaments and bonded with a thermosetting resin, our felt offers exceptional strength, dimensional stability, and resistance to high temperatures, making it a reliable choice for contractors, fabricators, and OEMs worldwide.
1. Product Overview
This industrial-grade fiberglass felt is a mat of randomly oriented, continuous glass fibers bonded together with a resinous binder. Unlike woven fabrics, the non-woven structure provides uniform strength in all directions and excellent conformability to complex shapes. It is specifically designed to perform as a key component in high-temperature insulation blankets, as a backing for foil facings, and as a reinforcement mat in FRP (Fiber Reinforced Plastic) applications. Its primary function is to provide thermal efficiency, acoustic damping, and structural integrity in challenging environments.
2. Key Features
- Exceptional Thermal Performance: Withstands continuous high temperatures, effectively reducing heat transfer and improving energy efficiency in industrial systems.
- Superior Strength & Dimensional Stability: The continuous filament structure provides high tensile strength and minimal shrinkage, ensuring long-term reliability.
- Non-Combustible & Chemically Inert: Made from inorganic glass fibers, it is naturally fire-resistant and will not rot, mildew, or corrode.
- Excellent Conformability & Resilience: Easily conforms to pipes, vessels, and irregular surfaces without tearing, maintaining a consistent density.
- Low Moisture Absorption: Resists water vapor, maintaining its insulating properties and preventing degradation in humid conditions.
- Versatile Compatibility: Can be used with various facings (foil, vinyl, scrim) and is compatible with most resins in composite lay-up processes.
3. Technical Specifications
| Parameter | Specification | Standard / Test Method |
|---|---|---|
| Base Material | E-Glass Continuous Filament | ASTM D578 |
| Standard Density | 60 kg/m³, 80 kg/m³, 100 kg/m³ | Custom densities available |
| Thickness Range | 12 mm, 25 mm, 50 mm | ASTM C167 |
| Thermal Conductivity | 0.035 - 0.040 W/m·K @ 24°C | ASTM C518 |
| Temperature Range (Continuous) | Up to 550°C (1022°F) | - |
| Binder Type | Thermosetting (Phenolic or Acrylic) | - |
| Roll Dimensions (Standard) | 20m (L) x 1.2m (W) / Custom sizes available | - |
| Fire Rating | Class A / Non-combustible | ASTM E84 |
4. Application Scenarios
This high-quality fiberglass felt is specified across a broad spectrum of industries due to its adaptability and performance.
- Industrial Insulation: Insulation for pipelines, boilers, heat exchangers, ductwork, and industrial furnaces in power generation, petrochemical, and refining plants.
- HVAC Systems: Acoustic and thermal insulation for air handling units, ventilation ducts, and plenums to improve energy efficiency and noise control.
- Marine & Transportation: Fireproof insulation for engine rooms, bulkheads, and cargo holds in shipbuilding, as well as thermal management in rail and automotive applications.
- Composite Fabrication: Used as a reinforcement mat in hand lay-up, spray-up, and closed molding processes for tanks, pipes, and structural panels.
- Construction & Building: Insulation for walls, roofs, and prefabricated panels, often as a backing for reflective foil barriers.
5. Advantages Over Alternatives
Choosing the right insulation material is critical for project success. Our fiberglass felt offers distinct benefits:
- vs. Mineral Wool: Offers lower dust and irritation during handling, better resilience, and superior conformability for wrapping applications.
- vs. Ceramic Fiber Blankets: Provides a more cost-effective solution for medium-to-high temperature ranges with easier handling and installation.
- vs. Foam Insulation: Inherently non-combustible, with a much higher maximum service temperature and better dimensional stability.
- vs. Loose Fill: Provides a consistent, batted form that is easier to install, offers predictable performance, and does not settle over time.
6. Why Choose Our Fiberglass Felt
We are more than just a supplier; we are a technical partner dedicated to your project's requirements.
- Consistent Quality & Certification: Our production follows strict ISO standards, ensuring every roll meets precise specifications for density, thickness, and thermal performance.
- Customization Capability: We offer tailored solutions, including custom densities, thicknesses, roll dimensions, and binder types to suit your specific process or design.
- Global Supply Chain Expertise: With extensive experience in international trade, we ensure reliable, on-time delivery and seamless logistics to your job site or factory.
- Technical Support: Our engineering team provides application guidance, specification assistance, and solutions for complex insulation challenges.
- Competitive Value: We deliver premium-grade industrial fiberglass felt at competitive price points, optimizing your project's budget without compromising on quality.
7. Frequently Asked Questions (FAQ)
Q1: What is the maximum temperature this fiberglass felt can withstand?
A: Our standard fiberglass felt is rated for continuous service up to 550°C (1022°F). For specific temperature profiles and peak exposure, please consult our technical datasheet.
Q2: Is this product itchy or difficult to handle?
A: While all glass fiber products require proper handling, our felt is made with continuous filaments which generate significantly less airborne dust and irritation compared to some chopped strand products. We recommend using standard PPE (gloves, long sleeves, and a dust mask) during installation.
Q3: Can it be used in outdoor applications?
A: Yes. The fiberglass felt itself is moisture-resistant and chemically inert. For permanent outdoor exposure, it must be properly protected with a weather-resistant jacket or facing (such as aluminum foil, PVC, or metal cladding) to prevent water ingress.
Q4: How do you ensure consistency in density and thickness?
A: Our manufacturing process utilizes advanced needle-punching and curing ovens with precise computer-controlled systems. This ensures the felt has uniform density and thickness across the entire roll and from one batch to another, which is critical for predictable thermal performance.
Q5: Do you offer samples for testing?
A: Absolutely. We encourage potential clients to evaluate our material. We provide free sample swatches for physical inspection and can arrange for larger test quantities for qualification in your specific application.
Contact us today to discuss your project specifications, request a sample, or receive a detailed quotation. Our team is ready to provide the high-performance fiberglass felt solution that ensures durability, efficiency, and safety for your industrial application.