Non Combustible Chopped Strand Mat SGS Glass Fiber Needle Felt For Extreme Temperature

        Our Non Combustible Glass Fiber Needle Felt is a high-temperature fiberglass needle felt,needle punched glass fiber mat,and non-woven thermal insulation material designed for industrial filtration,thermal insulation,fire protection,automotive insulation,HVAC systems,and other extreme-temperature applications.Manufactured from chopped E-glass fibers through a mechanical needle-punching process,the fibers form a three-dimensional microporous non-woven structure without relying on a conventional woven construction. This structure provides excellent thermal insulation,high porosity,good acoustic absorption,and reliable performance in demanding industrial environments.Available in thicknesses from 3–25 mm and grammages from 450–4000 g/m²,the glass fiber needle felt offers continuous operating temperatures of approximately 260–280°C depending on the selected grade,making it suitable for industrial equipment,filtration systems,thermal barriers,and high-temperature insulation applications.

Glass Fiber Needle Felt Specifications

Key Advantages of Glass Fiber Needle Felt

1. High Temperature Resistance

Glass fiber needle felt is designed for demanding thermal environments where conventional organic non-woven materials may not be suitable.

Depending on the selected grade,the material is designed for continuous operating temperatures of approximately 260–280°C.

The product specification also lists short-term temperature resistance up to approximately 650–700°C for selected configurations. Actual temperature performance should be confirmed according to product thickness,application conditions,and exposure duration.

2. Three-Dimensional Microporous Structure

The chopped E-glass fibers are carded into a web and mechanically reinforced through high-density needle punching.

This manufacturing process creates a three-dimensional porous structure with high porosity,allowing the material to combine thermal insulation,filtration,and acoustic performance in one non-woven fiberglass material.

3. Good Thermal Insulation Performance

The fibrous and porous structure helps reduce heat transfer,making fiberglass needle felt suitable for thermal insulation around industrial equipment,pipelines,boilers,automotive components,and other high-temperature systems.

The product data lists thermal conductivity of approximately 0.035–0.040 W/m·K under specified conditions.

4. Industrial Filtration Performance

The microporous fiber structure makes glass fiber needle felt suitable for selected high-temperature dust filtration applications.

It can be used in industrial filtration systems associated with steel production,cement plants,carbon black processing,and waste incineration facilities.

Different thicknesses,densities,and surface treatments can be selected according to filtration requirements.

5. Non-Combustible Fiberglass Material

Glass fiber is an inorganic reinforcement material with good resistance to heat and combustion.

The current product specification identifies the material as Fire Class A1,making it suitable for selected applications requiring non-combustible insulation and fire-resistant barrier materials.

Fire-performance requirements should always be matched with the applicable project standard and test documentation.

6. Good Acoustic Absorption

The porous structure of fiberglass needle felt can help absorb sound energy and reduce noise transmission.

This makes the material useful for applications combining thermal insulation and acoustic control,such as automotive components,industrial equipment,HVAC systems,and transportation structures.

7. Chemical Resistance

Glass fiber needle felt provides resistance to many acids and alkalis,making it suitable for selected industrial environments.

Compatibility should be evaluated carefully when the material is exposed to aggressive chemicals,particularly hydrofluoric acid (HF),concentrated phosphoric acid,and other environments that can attack glass fibers.

8. Flexible Thickness and Grammage Options

Multiple thickness and grammage combinations are available,allowing customers to select a fiberglass needle felt according to thermal insulation,filtration,acoustic,and dimensional requirements.

Custom thickness,width,and other specifications can also be evaluated for industrial applications.

Glass Fiber Needle Felt Applications

1. Industrial Filtration

High-temperature fiberglass needle felt can be used as filtration media in selected industrial dust collection and filtration systems.

Typical applications include steel plant dust filtration,cement plant filtration,carbon black production,waste incineration filtration systems,industrial baghouse filtration,and high-temperature dust collection systems.

The appropriate felt thickness,density,air permeability,and surface treatment should be selected according to operating temperature,dust characteristics,and filtration requirements.

2. Thermal Insulation

Glass fiber needle felt is suitable for high-temperature thermal insulation applications where lightweight,flexible,and non-woven insulation materials are required.

Typical applications include industrial boilers,HVAC pipelines,hot air ducts,industrial equipment,automotive thermal insulation,household ovens and heating appliances,and high-temperature equipment insulation.

3. Automotive Applications

Fiberglass needle felt can be used in selected automotive applications requiring thermal and acoustic insulation.

Typical applications include automotive engine hood insulation,muffler insulation,heat shields,and noise-control components.

4. Marine & Transportation Applications

The material can also be used in selected transportation applications such as ship bulkhead insulation and aircraft interior insulation structures where thermal,acoustic,or fire-resistant performance is required.

Actual material selection should follow the applicable transportation and fire-safety standards.

5. Construction & Fire Protection

Non-combustible glass fiber needle felt can be used as an insulation or functional layer in selected building and construction systems.

Potential applications include sandwich structures,wall insulation,metal panel systems,fire-resistant barriers,and other thermal insulation assemblies.

6. Industrial Acoustic Insulation

The three-dimensional porous fiber structure can help absorb sound,making glass fiber needle felt suitable for noise reduction around machinery,pipelines,automotive systems,and industrial equipment.

Technical Specifications by Grade

The current product specification states that weft strength is ≥85% of warp strength.

Actual specifications should be selected according to operating temperature,required thickness,grammage,density,air permeability,and final application.

How to Choose the Right Glass Fiber Needle Felt

Choosing the appropriate fiberglass needle felt depends on operating temperature,insulation or filtration requirements,thickness,grammage,density,and the final application.

Custom Glass Fiber Needle Felt

We can provide customized fiberglass needle felt specifications according to different industrial applications.

Customers can provide operating temperature,application,required thickness,width,grammage,and other technical requirements for product selection.

PTFE Coating Option

PTFE coating is available for selected fiberglass needle felt applications.

The coating can be considered when additional abrasion resistance or filtration performance is required.

Whether PTFE treatment is necessary depends on the operating environment,dust characteristics,filtration system,and required service performance.

Quality Control

Consistent physical properties are important for reliable performance in industrial filtration and thermal insulation applications.

Key quality characteristics include:

• Thickness consistency
• Grammage consistency
• Tensile strength
• Air permeability
• Density
• Fiber distribution
• Surface condition
• Roll dimensions
• Temperature performance
• Packaging integrity

The current product specification references JC/T 590-1995 as an applicable industry standard.

Packaging & Shipping

Glass fiber needle felt is packaged to protect the material from moisture,deformation,fiber shedding,and transportation damage.

Roll length and packaging configuration can vary according to material thickness,width,and customer requirements.

Storage Guidelines

Proper storage helps maintain the physical condition and performance of glass fiber needle felt.

1. Temperature

Store at approximately 15–35°C.

2. Humidity

Maintain relative humidity at approximately 35–65% RH.

3. Environment

Store in a dry,ventilated warehouse away from heat sources.

4. Outdoor Storage

Avoid outdoor stacking and direct exposure to rain or moisture.

5. Stacking

Rolls can be stored vertically or flat on pallets. Avoid excessive stacking that may cause deformation.

6. Chemical Protection

Keep away from acidic fumes and other aggressive chemicals.

7. Physical Protection

Keep away from sharp objects that may damage the felt.

8. Original Packaging

The current product specification lists a shelf life of 12 months when stored in intact original packaging.

9. After Opening

The current product information recommends using the material within 72 hours after opening or properly resealing unused material.

Frequently Asked Questions About Glass Fiber Needle Felt

1. What is glass fiber needle felt?

Glass fiber needle felt is a non-woven fiberglass material manufactured from chopped glass fibers that are carded into a web and mechanically bonded through needle punching.

The needle-punching process creates a three-dimensional porous fiber structure suitable for thermal insulation,industrial filtration,acoustic insulation,and selected fire-protection applications.

2. What is fiberglass needle felt used for?

Fiberglass needle felt can be used for industrial filtration,thermal insulation,high-temperature equipment insulation,HVAC pipelines,automotive insulation,acoustic control,ship insulation,and selected construction applications.

3. What temperature can glass fiber needle felt withstand?

Depending on the selected grade,the current product range is designed for continuous operating temperatures of approximately 260–280°C.

The product specification also lists short-term temperature resistance up to approximately 650–700°C for selected configurations.

For high-temperature applications,the actual operating temperature,exposure time,and installation conditions should be provided before product selection.

4. Is glass fiber needle felt non-combustible?

The current product specification identifies the fiberglass needle felt as a non-combustible material with Fire Class A1.

For projects requiring a specific fire rating or certification,customers should confirm the required test standard and supporting documentation before ordering.

5. What thicknesses are available?

Standard product thicknesses range from 3–25 mm.

Customized thicknesses from approximately 2–30 mm can be evaluated according to application requirements.

6. What grammages are available?

The current product range includes grammages from 450–4000 g/m².

Standard models include:

• EMN3 – 450 g/m²
• EMN6 – 900 g/m²
• EMN8 – 1200 g/m²
• EMN10 – 1500 g/m²
• EMN12 – 1800 g/m²
• EMN25 – 4000 g/m²

7. Can glass fiber needle felt be used for industrial filtration?

Yes. Selected fiberglass needle felt grades can be used for high-temperature industrial filtration applications.

The appropriate material should be selected according to operating temperature,air permeability,dust characteristics,filtration velocity,and required filtration efficiency.

8. Can glass fiber needle felt be used for thermal insulation?

Yes. Its porous fiberglass structure provides thermal insulation properties,making it suitable for boilers,pipelines,industrial equipment,automotive components,and other applications requiring heat insulation.

9. Does glass fiber needle felt provide acoustic insulation?

The porous fiber structure can absorb sound energy and help reduce noise,making it useful for selected automotive,industrial equipment,HVAC,and transportation applications requiring both thermal and acoustic performance.

10. Can the fiberglass needle felt be customized?

Yes. Customization options can include thickness,width,grammage,temperature grade,roll configuration,and selected surface treatments.

PTFE coating is also available for selected filtration applications.

11. How should glass fiber needle felt be stored?

Store the material in a dry,ventilated warehouse at approximately 15–35°C and 35–65% relative humidity.

Avoid outdoor storage,moisture,acidic fumes,sharp objects,and excessive stacking.

12. What information should I provide when requesting a quotation?

For an accurate quotation,please provide:

• Required thickness
• Required grammage
• Required width
• Operating temperature
• Final application
• Filtration or insulation requirements
• Required quantity
• Destination country or port
• Special surface treatment requirements

Providing these details helps us recommend a suitable fiberglass needle felt grade and prepare an accurate quotation.

Why Choose WGSC Composite?

WGSC Composite supplies fiberglass materials and composite solutions for industrial,construction,transportation,thermal insulation,and filtration applications.

Our glass fiber needle felt range provides multiple options for thickness,grammage,density,width,temperature resistance,and surface treatment,allowing customers to select materials according to different operating environments.

Whether you are sourcing high-temperature fiberglass needle felt,glass fiber insulation felt,needle punched fiberglass mat,industrial filtration felt,or non-combustible fiberglass insulation,we can provide product specifications and customization support according to your application requirements.

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