High Strength E-Glass Continuous Filament Mat for Pultrusion & Transformer Insulation

        Our High Strength E-Glass Continuous Filament Mat is a durable fiberglass reinforcement material manufactured from randomly distributed continuous E-glass filaments bonded with a compatible binder. Designed for pultrusion,RTM,filament winding,molding,and electrical insulation applications,this continuous filament mat provides stable fiber distribution,good resin compatibility,high mechanical strength,and excellent moldability for complex composite structures.Available in standard weights from 150–600 g/m² and widths from 1040–2400 mm,the material can be selected for structural FRP profiles,automotive interior components,dry-type transformer insulation,industrial molded parts,and other composite applications requiring continuous fiberglass reinforcement.Compared with conventional chopped strand mat,continuous filament mat provides a continuous fiber network that can deliver improved tensile and bending performance while maintaining good processing stability during automated composite manufacturing.

E-Glass Continuous Filament Mat Specifications

Key Advantages of Continuous Filament Mat

1. Continuous Fiberglass Reinforcement Structure

Unlike chopped strand mat,which consists of short discontinuous fibers,continuous filament mat is formed from continuous E-glass filaments randomly distributed throughout the mat.

The continuous fiber network provides stable reinforcement across the material and makes it suitable for composite applications requiring reliable tensile,bending,and structural performance.

2. High Mechanical Strength

Continuous filament mat provides strong fiberglass reinforcement for structural composite products.

The continuous fiber structure is designed to provide higher tensile and bending performance than conventional chopped strand mat,making it suitable for pultruded profiles,industrial components,and other mechanically demanding FRP applications.

Actual mechanical performance depends on mat weight,resin system,laminate design,and manufacturing process.

3. Optimized for Pultrusion

Selected continuous filament mat grades are designed for pultrusion processes.

The material can be combined with continuous roving and other reinforcements to provide multidirectional reinforcement in pultruded profiles.

This helps strengthen transverse and complex load directions that are not fully reinforced by longitudinal rovings alone.

4. Good Resin Compatibility

The uniform and open fiber structure allows resin to penetrate the continuous filament mat efficiently.

Good resin wet-out helps the reinforcement integrate with the surrounding laminate during pultrusion,RTM,molding,and winding processes.

Binder formulations can also be selected according to process and resin requirements.

5. Stable Processing Performance

The bonded continuous filament structure helps maintain fiber distribution during handling,mold loading,resin injection,and automated composite processing.

This processing stability is particularly useful in continuous or semi-automated manufacturing operations such as pultrusion,RTM,and molding.

6. Good Moldability & Conformability

Randomly distributed continuous filaments provide flexibility and allow the mat to conform to selected curved or complex mold geometries.

This makes continuous filament mat suitable for molded composite parts where both reinforcement stability and shape adaptability are required.

7. Electrical Insulation Applications

Selected continuous filament mat grades are suitable for dry-type transformer insulation and other electrical composite applications.

E-glass fiber provides good electrical insulation characteristics,and the mat can be incorporated into resin-based insulation structures according to transformer design and electrical performance requirements.

8. Flexible Weight and Width Options

Different grades are available according to manufacturing process and application.

Standard weights range from approximately 150–600 g/m²,while widths range from approximately 1040–2400 mm depending on the selected product type.

Roll weight options include approximately 30 kg,35 kg,45 kg,and 50 kg.

Continuous Filament Mat Applications

1. Pultruded FRP Profiles

Continuous filament mat is widely used as reinforcement in pultruded fiberglass profiles.

It can be combined with continuous roving to provide additional reinforcement across different directions within the pultruded laminate.

Typical applications include:

• FRP structural profiles

• Door and window profiles

• Industrial support sections

• Composite beams and channels

• Electrical and infrastructure profiles

2. Dry-Type Transformer Insulation

Selected continuous filament mat grades are designed for transformer insulation applications.

The fiberglass reinforcement can be incorporated into resin insulation structures used in dry-type transformers and electrical equipment.

Standard transformer grades are available in approximately 300–600 g/m².

3. Automotive Interior Components

Continuous filament mat can be used in selected automotive composite and interior applications.

Typical uses include:

• Sun visors

• Rear parcel shelves

• Spare tire covers

• Fender components

• Interior molded panels

The material provides a combination of reinforcement,moldability,and processing stability suitable for complex automotive shapes.

4. RTM Composite Parts

Continuous fiberglass mat can be used in Resin Transfer Molding applications where stable reinforcement placement and good resin flow are required.

The randomly distributed continuous filaments provide multidirectional reinforcement while maintaining a stable preform structure during mold closing and resin injection.

5. Filament Winding

Selected continuous filament mat grades can be incorporated into filament winding structures.

The mat can provide additional multidirectional reinforcement between or around continuous wound fiber layers.

Applications can include FRP pipes,tanks,and selected cylindrical composite structures.

6. Molding Applications

Continuous filament mat can be used in selected molding processes for high-strength fiberglass composite parts.

The reinforcement structure provides good conformability to complex molds while maintaining stable fiber distribution during processing.

7. Construction & Industrial Materials

Continuous fiberglass mat can also be considered for selected industrial and construction applications such as:

• GMT composite materials

• Asphalt-based reinforcement products

• Plastic flooring

• Geotextile structures

• Industrial composite sheets

Actual material selection should be based on process requirements and final product design.

Technical Specifications by Application

The appropriate continuous filament mat should be selected according to resin system,manufacturing process,required weight,width,binder content,and final composite performance.

Continuous Filament Mat for Pultrusion

Pultrusion is one of the primary applications for E-glass continuous filament mat.

In pultruded FRP profiles,longitudinal continuous rovings provide most of the reinforcement along the profile length. Continuous filament mat can be added to provide more balanced reinforcement across other directions.

Typical pultrusion applications include structural profiles,ladders,frames,channels,angles,beams,electrical profiles,and industrial composite sections.

When selecting continuous filament mat for pultrusion,the following factors should be considered:

• Mat grammage

• Profile thickness

• Resin viscosity

• Pultrusion line speed

• Die geometry

• Binder compatibility

• Required transverse reinforcement

• Surface quality requirements

Continuous Filament Mat for Transformer Insulation

Selected EMS continuous filament mat grades are available for dry-type transformer insulation structures.

The standard transformer insulation range includes approximately 300–600 g/m² material with 1040–2300 mm widths and moisture content ≤0.2%.

The fiberglass mat can be integrated with compatible insulation resin systems to form mechanically stable and electrically insulating composite structures.

Material selection should be based on transformer design,voltage requirements,insulation class,resin chemistry,and applicable electrical standards.

Continuous Filament Mat for Automotive Interiors

Selected EMS grades in the 300–450 g/m² range are suitable for RTM and automotive interior applications.

The continuous filament network provides good moldability while helping maintain fiber stability during processing.

Typical automotive applications include rear shelves,spare tire covers,interior panels,sun visors,and selected molded structural components.

Manufacturing Processes

1. Pultrusion

Continuous filament mat can be fed continuously into a pultrusion line together with rovings and other reinforcement materials.

The material is impregnated with resin and pulled through a heated die to create continuous FRP profiles.

2. RTM

In RTM applications,the continuous filament mat is positioned inside a closed mold and impregnated with injected resin.

The stable reinforcement structure helps maintain consistent fiber distribution during resin injection.

3. Filament Winding

Continuous filament mat can be incorporated into selected winding laminates to supplement directional continuous fibers and provide additional multidirectional reinforcement.

4. Molding

Selected EMS grades can be used in molding processes where conformability,fiber stability,and resin compatibility are important.

5. PTM Applications

The current product range also lists selected EMS grades for PTM processing.

Process conditions and reinforcement configuration should be confirmed according to the customer’s production system.

How to Choose the Right Continuous Filament Mat

For accurate product selection,customers should provide the manufacturing process,required grammage,width,resin type,application,and production conditions.

Custom E-Glass Continuous Filament Mat

Continuous filament mat specifications can be selected or customized according to different composite manufacturing requirements.

Customers requiring specific weight,width,binder formulation,roll weight,or processing performance can provide their technical requirements for evaluation.

Quality Control

Consistent continuous filament mat quality is important for stable composite processing and predictable reinforcement performance.

Key quality characteristics include:

• Grammage consistency

• Width consistency

• Moisture content

• Loss on ignition

• Fiber distribution

• Binder uniformity

• Roll condition

• Surface uniformity

• Resin compatibility

• Packaging integrity

For applications such as transformer insulation or structural pultrusion,additional testing requirements should be confirmed according to the applicable customer specification or industry standard.

Packaging & Shipping

Each roll of continuous filament mat is packaged to protect the fiberglass reinforcement from moisture,dust,and contamination during transportation and storage.

Actual pallet quantity and packaging configuration can be adjusted according to product width,roll weight,order quantity,and customer requirements.

Storage Guidelines

1. Storage Environment

Store continuous filament mat in a dry,clean,well-ventilated,and rain-proof indoor warehouse.

2. Temperature

Recommended storage temperature is approximately 5–35°C.

3. Humidity

Maintain relative humidity between approximately 35–65%.

4. Moisture Protection

Protect the material from rain,condensation,and excessive humidity.

5. Sunlight & Heat

Keep the product away from direct sunlight and strong heat sources.

6. Original Packaging

Keep rolls in the original unopened packaging until they are ready for production.

7. Pallet Storage

Store pallets on a flat,clean surface and isolate them from direct floor contact where practical.

8. Stacking

Avoid placing heavy materials on top of fiberglass mat pallets. Maximum stacking should generally be limited to approximately two pallets.

9. Shelf Life

For best performance,the current product specification recommends using the material within approximately 12 months from the production date.

Frequently Asked Questions About E-Glass Continuous Filament Mat

1. What is continuous filament mat?

Continuous filament mat is a non-woven fiberglass reinforcement manufactured from continuous glass filaments randomly distributed into a uniform mat and bonded together with a compatible binder.

Unlike chopped strand mat,the fiberglass filaments remain continuous throughout the reinforcement structure.

2. What is E-glass continuous filament mat used for?

E-glass continuous filament mat can be used for pultruded profiles,dry-type transformer insulation,automotive interior components,RTM parts,filament winding,molding,and other industrial fiberglass composites.

3. What is the difference between continuous filament mat and chopped strand mat?

Chopped strand mat is manufactured from short chopped glass fibers.

Continuous filament mat is manufactured from continuous fiberglass filaments that form a more interconnected reinforcement network.

Continuous filament mat is commonly selected for applications requiring stable processing and higher structural reinforcement.

4. Is continuous filament mat suitable for pultrusion?

Yes.

Pultrusion is one of the primary applications for this product.

Available pultrusion and winding grades range from approximately 150–450 g/m².

5. Can continuous filament mat be used for transformer insulation?

Yes.

Selected EMS grades from approximately 300–600 g/m² are designed for transformer insulation applications.

The final material should be selected according to resin system,electrical insulation requirements,and transformer design.

6. What weights are available?

The current product range includes standard weights from approximately 150–600 g/m².

The exact weight range depends on the selected manufacturing process and application.

7. What widths are available?

Standard widths range from approximately 1040–2400 mm depending on product grade.

Pultrusion,winding,RTM,and transformer grades are generally available up to approximately 2300 mm,while selected molding grades are available up to approximately 2400 mm.

8. What is the moisture content?

The current product specification lists moisture content of ≤0.2% across the standard EMS product range.

9. What is loss on ignition?

Loss on ignition is commonly used to indicate the amount of organic binder or other combustible content in fiberglass reinforcement.

Depending on the application,the current EMS grades list loss on ignition values from approximately 2–10%.

10. Can continuous filament mat be used in RTM?

Yes.

Selected EMS grades in the 300–450 g/m² range are suitable for RTM applications.

The stable fiber structure helps maintain reinforcement distribution during mold loading and resin injection.

11. Can continuous filament mat be used for automotive interiors?

Yes.

Selected EMS grades are designed for automotive interior composite applications such as sun visors,rear shelves,spare tire covers,and other molded components.

12. Can the product be customized?

Yes.

Continuous filament mat can be selected according to grammage,width,binder formulation,roll weight,manufacturing process,and final application.

13. How should continuous filament mat be stored?

Store the product indoors in a dry,well-ventilated environment at approximately 5–35°C and 35–65% relative humidity.

Keep rolls away from moisture,direct sunlight,heat sources,and contamination.

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

For an accurate quotation,please provide:

• Required grammage

• Required width

• Resin system

• Manufacturing process

• Final application

• Required roll weight if applicable

• Required quantity

• Destination country or port

• Special binder or packaging requirements

Providing these details helps us recommend the appropriate continuous filament mat grade and prepare an accurate quotation.

Why Choose WGSC Composite?

WGSC Composite supplies fiberglass reinforcement materials for pultrusion,RTM,filament winding,molding,electrical insulation,automotive,and industrial composite applications.

Our E-glass continuous filament mat range provides multiple options for grammage,width,binder content,roll weight,and manufacturing process,allowing composite manufacturers to select suitable reinforcement according to their production requirements.

Whether you are sourcing continuous filament mat for pultrusion,E-glass continuous filament mat for transformer insulation,fiberglass mat for RTM,automotive continuous filament mat,or custom continuous fiberglass reinforcement,we can provide specification and customization support according to your application requirements.

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