Harnawa Insulations Private Limited

APA Laminated Aramid Paper is a high-performance Class H (180°C) composite insulation material made by laminating aramid insulation paper on both sides of a polyester film (PET) using a heat-resistant adhesive system. This three-layer structure (Aramid–PET–Aramid) provides excellent dielectric strength, good mechanical flexibility and long-term thermal endurance for electrical insulation systems.

The aramid outer layers offer strong insulation, chemical resistance and stability under high temperature, while the polyester film core adds improved mechanical strength and electrical barrier properties. APA laminates maintain stable insulation performance during winding, shaping and curing operations, making them suitable for motors, transformers and industrial coil insulation.

Key Features
• APA structure: Aramid Paper + Polyester Film + Aramid Paper
• Class H (180°C) thermal performance
• High dielectric strength and electrical reliability
• Good flexibility and tear resistance
• Stable under vibration, heat and electrical load
• Compatible with varnish and epoxy impregnation
• Moisture-resistant and flame-retardant insulation
• Suitable for manual and automated winding

Applications
• Slot liners and slot closures in motors
• Phase insulation and coil wrapping
• Dry-type transformer interlayer insulation
• EV motor insulation and high-frequency coil systems
• Laminated Class H insulation structures
• Electrical equipment requiring flexible yet strong insulation

Technical Range
• Thickness: 0.15 mm to 0.50 mm (custom on request)
• Roll widths up to 1000 mm
• Available in rolls or sheet-cut formats
• GSM and layer combination customizable

Advantages
APA Laminated Aramid Paper combines the high-temperature stability of aramid with the mechanical strength of polyester film. It offers reliable dielectric performance, strong mechanical durability and long service life in industrial electrical applications.

DMD Laminated Fleece is a flexible Class F (155°C) composite insulation material made from polyester fleece, polyester film and polyester fleece. The three-layer construction provides excellent dielectric strength, good mechanical flexibility and reliable thermal endurance for motors, transformers and industrial winding applications. The fleece outer layers offer superior varnish absorption, smooth slot insertion and strong bonding during curing, while the polyester film core provides high electrical strength and dimensional stability. DMD Laminated Fleece is suitable for both manual and automatic winding processes and is widely used for slot liners, coil wrapping, interlayer insulation and phase insulation in electrical machines.

Key Features
• Three-layer structure: Fleece + Polyester Film + Fleece
• Class F (155°C) and Class B (130°C) options
• Excellent resin and varnish absorption
• High dielectric strength due to PET core
• Flexible and easy to form during winding
• Resistant to moisture and common industrial oils
• Stable performance under heat, vibration and electrical load
• Smooth fleece finish for easy processing

Applications
• Slot liners and slot closures
• Coil wrapping and interlayer insulation
• Phase insulation in motors and generators
• Low and medium-voltage electric motors
• EV motor windings and transformer insulation
• General electrical insulation systems

Technical Range
• Thickness available from 0.13 mm to 0.75 mm
• Standard width from 6 mm to 1000 mm
• Roll and sheet-cut formats available
• Suitable for Class B and Class F insulation systems

Advantages
DMD Laminated Fleece offers long service life, strong mechanical stability and reliable electrical insulation for demanding rotating machines. Its excellent impregnability and high dielectric strength make it a preferred choice for OEM manufacturers and rewinding workshops.

Electrical Insulation Papers and Laminates are high-performance materials used for providing electrical, mechanical and thermal protection in motors, transformers, generators, EV motors, alternators and industrial winding systems. These materials are engineered to maintain stable insulation performance under heat, voltage stress, vibration and long operating cycles. They are available in multiple structures such as aramid paper, polyester laminates, polyimide laminates, NMN composites, DMD Laminated Fleece, pressboard and other Class B, F and Class H insulation grades. Each material offers a balance of dielectric strength, mechanical durability and thermal endurance to suit a wide range of electrical applications.

These insulation papers and laminates provide excellent flexibility, high resin absorption, strong bonding after varnish curing and good dimensional stability. Their structure helps reduce insulation failure, improves coil rigidity and enhances long-term performance in rotating electrical machinery. They are suitable for both OEM manufacturers and rewinding workshops.

Key Features
• High dielectric strength and long-life insulation performance
• Available in Class B, Class F and Class H heat resistance grades
• Good mechanical flexibility and tear resistance
• Compatible with varnish, epoxy and resin impregnation
• Resistant to moisture, oils and common industrial chemicals
• Smooth surface and easy processability for slot liners and coil wrapping
• Suitable for manual and automated winding operations

Applications
• Slot liners, slot closures and phase insulation in electric motors
• Interlayer and turn-to-turn insulation in dry-type transformers
• Coil wrapping, barrier insulation and winding support
• EV motor insulation and high-frequency inverter motor systems
• Laminated insulation systems such as NMN, DMD, DMD-F, APA, AHA and AMA
• High-voltage equipment, alternators and industrial machinery

Electrical Insulation Papers and Laminates are supplied in rolls and sheet-cut formats with customized thicknesses and widths. Their reliable thermal endurance, mechanical strength and stable electrical properties make them essential for high-quality insulation systems across a wide range of electrical applications.

Laminated Electrical Insulation Paper is a high-performance composite insulation material designed for motors, transformers, generators, EV motors, alternators and industrial electrical equipment. It is manufactured by bonding two or more layers such as aramid insulation paper, polyester film, polyimide film or nonwoven fleece using heat-resistant adhesive systems. This multi-layer construction enhances dielectric strength, mechanical durability and thermal endurance, making it ideal for insulation systems that demand long service life under high heat and electrical stress.

The laminated structure provides the combined advantages of each material. Aramid paper contributes excellent thermal stability, flame resistance and dimensional strength; polyester film provides high dielectric strength and smooth processing; polyimide film offers exceptional high-temperature resistance; and fleece layers improve resin absorption and mechanical flexibility. Together, these layers create a strong, uniform insulation material that performs reliably even in demanding applications.

Laminated Electrical Insulation Paper is widely used for slot liners, slot closures, phase insulation, interlayer insulation, coil wrapping, end-winding insulation and high-frequency motor insulation. These laminates maintain stability during winding, shaping and curing, and they show high resistance to moisture, oils, varnishes and solvents used in electrical equipment manufacturing. Their smooth surface finish and easy formability support both manual and automated production processes.

Common variants include APA (Aramid-Polyester-Aramid), AHA (Aramid-Polyimide-Aramid), AMA (Aramid-Mylar-Aramid), NMN (Nomex-Mylar-Nomex), DMD (Fleece-PET-Fleece), FPF and other Class B, Class F and Class H insulation grades. These laminates are supplied in multiple thicknesses, roll widths and sheet-cut formats to meet different design and production requirements.

Laminated Electrical Insulation Paper enhances electrical reliability by reducing the risk of breakdown, improving thermal endurance, and strengthening mechanical integrity after varnish curing. Its long-term stability, consistent performance and compatibility with varnish and epoxy systems make it one of the most widely used insulation materials in the electrical industry.

FDR Paper is a flexible electrical insulation material designed for motors, transformers and industrial winding applications. It is manufactured by laminating electrical grade insulating paper with a polyester dielectric film using a high-temperature adhesive. This composite structure provides enhanced dielectric strength, improved mechanical durability and stable thermal performance for Class B (130°C) and Class F (155°C) insulation systems.

The reinforced paper layer provides flexibility, good resin absorption and easy forming during slot insertion or coil wrapping, while the polyester film layer delivers higher breakdown voltage and dimensional strength. FDR Paper maintains its insulating properties under heat, electrical load and vibration, making it suitable for both OEM manufacturing and rewinding operations. It is widely used for slot liners, interlayer insulation, phase insulation and coil wrapping in motors, alternators, transformers and EV motor applications.

Key Features
• Reinforced composite structure of insulating paper and polyester film
• Class B (130°C) and Class F (155°C) insulation options
• High dielectric strength and stable electrical performance
• Good flexibility and mechanical stability
• Compatible with varnish, epoxy and resin impregnation
• Smooth surface for easy winding and slot insertion
• Moisture-resistant and suitable for high-speed assembly
• Cost-effective and reliable insulation solution

Applications
• Slot liners and slot closures in motors
• Interlayer and coil insulation in transformers
• Motor and generator winding insulation
• EV motor insulation and inverter-duty motors
• Armature and stator coil wrapping
• Phase insulation and barrier insulation in electrical machinery

Technical Range
• Thickness range from 0.10 mm to 0.50 mm
• Standard roll width from 6 mm to 1000 mm
• Available in Class B and Class F variants
• Supplied in rolls or sheet-cut formats

Advantages
FDR Paper provides an excellent balance of cost, performance and processability. Its composite construction ensures long-term dielectric stability and strong mechanical resistance under operational stress. With high formability and good bonding properties, it is suitable for both manual and automated winding processes, making it a dependable insulation material across various electrical applications.

NPN Laminated Nomex Paper is a high-performance Class H (180°C) composite insulation material made by laminating Nomex aramid insulation paper with a polyester film core. The three-layer construction (Nomex–Polyester Film–Nomex) provides excellent dielectric strength, strong thermal endurance and high mechanical reliability, making it suitable for demanding electrical insulation systems.

The outer Nomex layers offer outstanding thermal stability, flame resistance and mechanical durability. The polyester film in the center provides high dielectric strength, dimensional rigidity and strong barrier properties. Together, these layers form a flexible yet robust insulation laminate ideal for motors, transformers, EV traction motors, alternators and high-voltage coil applications.

NPN Laminated Nomex Paper maintains its structural and electrical properties under continuous heat, vibration and electrical stress. It is compatible with varnish, epoxy and resin impregnation systems and provides excellent formability for slot insertion, coil wrapping, interlayer insulation and high-frequency electrical applications.

Key Features
• Three-layer composite: Nomex + Polyester Film + Nomex
• Class H (180°C) high-temperature insulation
• High dielectric strength and electrical stability
• Excellent flame resistance and thermal endurance
• Strong mechanical strength and low shrinkage
• Compatible with varnish and resin impregnation
• Good flexibility and slot insertion properties
• Moisture-resistant and oil-resistant insulation paper

Applications
• Slot liners and slot closures in motors
• Coil wrapping and interlayer insulation
• Dry-type transformers and high-voltage coils
• EV motors, alternators and traction motors
• Phase insulation and barrier insulation
• Laminated Class H insulation structures

Technical Range
• Thickness range: 0.15 mm to 0.50 mm
• Roll width: 6 mm to 1000 mm
• Nomex outer layers with polyester film core
• Available in rolls and sheet-cut formats

Advantages
NPN Laminated Nomex Paper provides long service life, excellent thermal stability and superior dielectric performance. Its reinforced laminate structure makes it ideal for heavy-duty electrical equipment requiring reliable insulation under continuous thermal, mechanical and electrical stress.

Garflex Paper is a high-quality electrical insulation paper designed for motors, transformers, generators, EV motors and industrial electrical equipment. Manufactured from premium electrical-grade cellulose fibres, Garflex Paper offers stable dielectric performance, strong mechanical strength and excellent thermal stability, making it suitable for a wide range of Class B and Class F insulation systems.

The paper has a smooth, uniform surface with controlled thickness and density, allowing easy slot insertion, coil wrapping and interlayer insulation. Its balanced strength and flexibility ensure consistent performance during winding, forming and varnish curing. Garflex Paper provides good resin absorption, resistance to oils, moisture and solvents, and maintains dimensional stability under electrical and thermal load.

Due to its clean finish, formability and compatibility with laminating films, Garflex Paper is widely used by OEM motor manufacturers, transformer manufacturers and rewinding workshops. It is available in rolls, sheets and custom slit widths to match various industrial insulation requirements.

Key Features
• High dielectric strength and consistent electrical performance
• Smooth surface and easy processing for slot liners and coil wrapping
• Strong mechanical durability and good tear resistance
• Stable performance under heat, vibration and electrical stress
• Moisture-resistant and compatible with varnish and epoxy
• Excellent formability for manual and automated winding
• Available in multiple thicknesses, GSM and roll widths
• Cost-effective insulation solution for motors and transformers

Applications
• Slot liners and slot closures
• Interlayer and coil insulation in motors
• Transformer coil wrapping and layer insulation
• EV motors, alternators and generators
• Phase insulation and armature insulation
• General-purpose industrial electrical insulation

Technical Range
• Thickness range: 0.10 mm to 0.50 mm
• Roll width: 6 mm to 1000 mm
• Available in rolls and sheet-cut formats
• GSM customizable as per requirement
• Suitable for Class B (130°C) and Class F (155°C) systems

Advantages
Garflex Paper provides dependable insulation performance with excellent mechanical strength, dimensional stability and varnish bonding capability. Its clean finish, flexibility and durability make it a widely preferred material in electrical manufacturing and rewinding applications.

FPF Laminated Fleece Paper is a Class F (155°C) saturated composite insulation material made from polyester fleece and polyester dielectric film. It is an upgraded form of DMD, where the fleece layers are fully impregnated with a high-temperature adhesive resin system to enhance mechanical strength, thermal endurance and dielectric reliability. This saturated structure provides better rigidity, improved varnish compatibility and stronger breakdown voltage performance compared to standard DMD laminates.

FPF Laminated Fleece Paper is designed for slot liners, coil insulation and interlayer insulation in motors, generators, transformers and EV motors. The reinforced fleece layers offer enhanced tear strength, superior resin retention and better bonding during curing. The polyester film core provides stable dielectric characteristics and excellent dimensional stability under heat, vibration and continuous electrical load. This makes FPF ideal for both OEM manufacturing and high-performance rewinding applications.

Key Features
• Three-layer saturated structure: Fleece + Polyester Film + Fleece
• Class F (155°C) high-temperature insulation
• Higher mechanical strength than standard DMD
• Strong resin absorption and excellent cured bond strength
• High dielectric strength and dimensional stability
• Reduced dusting and improved slot insertion
• Moisture-resistant and oil-resistant composite
• Suitable for automated and manual winding systems

Applications
• Slot liners and slot closures in motors
• Interlayer insulation in dry-type transformers
• Coil wrapping and phase insulation
• EV motor windings and inverter-duty motors
• Armature and stator insulation
• Alternators, pumps, compressors and industrial machines
• High-frequency coil winding applications

Technical Range
• Available thickness: 0.15 mm to 0.75 mm
• Width range: 6 mm to 1000 mm
• Supplied in rolls or sheet-cut format
• Suitable for Class F insulation systems
• Smooth laminated fleece finish for easy processing

Advantages
FPF Laminated Fleece Paper provides excellent thermal, mechanical and dielectric performance for demanding electrical environments. Its saturated structure ensures higher strength, better rigidity and improved reliability over standard DMD. With long service life and excellent resin bonding, FPF is a preferred insulation material for motors, transformers and industrial windings.

Garlam Paper is a laminated electrical insulation paper designed for motors, transformers, generators, EV motors and industrial coil applications. It is manufactured by bonding high-quality insulating kraft paper with a polyester dielectric film or similar reinforcement layer using heat-resistant adhesive technology. This laminated construction improves dielectric strength, mechanical stability and moisture resistance, making Garlam Paper suitable for both Class B and Class F electrical insulation systems.

Garlam Paper offers a smooth surface, uniform thickness and controlled density, allowing clean slot insertion, easy coil wrapping and reliable performance during winding and varnish curing. The kraft layer provides flexibility and good resin absorption, while the polyester film contributes high electrical resistance and dimensional stability. This combination makes Garlam Paper a dependable and economical insulation material for OEMs and rewinding workshops.

It is commonly used for slot liners, interlayer insulation, phase insulation and coil wrapping in electric motors, alternators and transformer windings. The paper maintains its mechanical and electrical properties under continuous heat, vibration and electrical stress, ensuring long service life in demanding environments.

Key Features
• Laminated structure for improved dielectric strength
• Smooth surface and easy processability
• Good mechanical durability and tear resistance
• Stable performance under heat and electrical load
• Moisture-resistant and compatible with varnish or epoxy
• Good resin absorption and dimensional stability
• Suitable for automated or manual winding systems
• Available in multiple thickness and roll widths

Applications
• Slot liners and slot closures
• Coil wrapping and interlayer insulation in motors
• Transformer layer insulation and coil barriers
• EV motors, alternators and industrial machinery
• Phase insulation and armature insulation
• General electrical insulation applications

Technical Range
• Thickness range: 0.10 mm to 0.40 mm
• Roll width: 6 mm to 1000 mm
• Available in rolls or sheet-cut formats
• Custom GSM and sizes available
• Suitable for Class B (130°C) and Class F (155°C) systems

Advantages
Garlam Paper delivers balanced performance with good mechanical strength, stable dielectric properties and excellent workability. Its laminated structure ensures reliable insulation and long service life in motors, transformers and high-temperature industrial electrical systems.

Eurotherm Paper is a high-quality electrical insulation paper designed for motors, transformers, generators, EV motors and industrial coil applications. It is manufactured from premium thermal-grade cellulose fibres with controlled density, smooth surface finish and uniform thickness to ensure consistent dielectric strength and mechanical durability. Eurotherm Paper offers stable insulation performance under continuous heat and electrical load, making it suitable for Class B and Class F insulation systems.

The paper provides good tear resistance, high tensile strength and excellent formability during winding, shaping and slot insertion. Its moisture-resistant and oil-resistant characteristics ensure long service life even in demanding electrical environments. Eurotherm Paper absorbs varnish and epoxy effectively, creating strong mechanical bonding after curing, making it ideal for OEM production and rewinding operations.

Eurotherm Paper is widely used as slot liners, phase insulation, interlayer insulation and coil wrapping material. Its clean finish, dimensional stability and compatibility with composite laminates make it suitable for both manual and automated winding systems. It is available in various GSM, thicknesses and roll widths to accommodate a wide range of insulation requirements.

Key Features
• High dielectric strength with stable electrical performance
• Smooth, uniform surface for easy processing
• Strong mechanical strength and tear resistance
• Good varnish absorption and resin bonding
• Moisture-resistant and oil-resistant properties
• Suitable for manual and automated winding
• Maintains shape and performance under heat and vibration
• Cost-effective insulation material for industrial electrical applications

Applications
• Slot liners and slot closures
• Interlayer and coil insulation in motors
• Transformer coil wrapping and layer insulation
• EV motor and alternator insulation
• Phase insulation and armature insulation
• General electrical insulation for industrial machinery

Technical Range
• Thickness: 0.10 mm to 0.50 mm
• Roll width: 6 mm to 1000 mm
• Available in rolls and sheet-cut formats
• GSM customizable as per requirement
• Suitable for Class B (130°C) and Class F (155°C) systems

Advantages
Eurotherm Paper combines strong electrical insulation properties with mechanical durability, making it ideal for long-life motor and transformer applications. Its balanced performance and good processability make it a preferred choice for OEM manufacturers and insulation solution providers.

aturated Fleece Paper (FPF Type) is a high-performance Class F (155°C) electrical insulation material manufactured by impregnating polyester fleece with a heat-resistant resin and bonding it with a polyester dielectric film. This saturated laminate provides significantly higher mechanical strength, rigidity, dimensional stability and dielectric reliability compared to normal DMD (unsaturated) fleece laminates.

Internet data confirms that saturated fleece paper is widely used in motors, transformers, generators, EV motors and high-frequency coil windings. The resin-saturation process ensures excellent varnish absorption, high bonding strength during curing and reduced dusting during slot insertion or automated winding. The polyester film core adds strong dielectric strength and tear resistance, making it suitable for demanding electrical insulation systems.

Saturated Fleece Paper performs extremely well under continuous heat, vibration and electrical load. It offers smooth surface finish, low shrinkage, moisture resistance and reliable long-term insulation stability. Because of its enhanced durability, FPF is preferred for heavy-duty motors, inverter-duty motors, alternators and Class F transformer insulation systems.

Key Features
• Resin-saturated fleece + polyester film + fleece composite
• Class F (155°C) high-temperature performance
• Higher mechanical strength vs. standard DMD
• Excellent varnish penetration and cured bonding
• High dielectric strength and dimensional stability
• Reduced dusting and improved slot insertion
• Strong resistance to moisture, oils and solvents
• Suitable for high-speed automated winding
• Smooth insulation for slot liners & coil layering

Applications
• Slot liners and slot closures in electric motors
• Interlayer insulation in dry-type transformers
• Coil wrapping and phase insulation
• EV motor windings and inverter-driven motors
• Generators, alternators, pumps and compressors
• High-frequency windings and resin-rich insulation systems
• Industrial electrical machinery requiring high mechanical strength

Technical Range (Industry Verified)
• Thickness: 0.15 mm to 0.75 mm
• Rolls: 6 mm to 1000 mm width
• Insulation Class: F (155°C)
• Structure: Saturated fleece + PET film
• Available in rolls or sheets
• Compatible with varnish, epoxy and polyester resins

Advantages
Saturated Fleece Paper provides a superior combination of thermal endurance, electrical reliability and mechanical strength. Its resin-saturated construction ensures rigid bonding, long insulation life and stable performance in heavy-duty electrical environments. It is widely adopted by OEM motor manufacturers, coil winding shops and transformer makers.

Triplex Insulation Paper is a three-layer composite electrical insulation material made by laminating electrical-grade insulating paper on both sides of a polyester dielectric film. This Paper–Film–Paper structure provides enhanced dielectric strength, better mechanical stability and improved thermal endurance, making it ideal for motors, transformers, alternators, EV motors and industrial winding applications.

The outer paper layers offer good resin absorption, flexibility and smooth winding performance, while the polyester film core provides strong electrical resistance, dimensional rigidity and improved breakdown voltage. Triplex Insulation Paper maintains stable performance under heat, vibration and electrical stress, ensuring long service life in Class B (130°C) and Class F (155°C) insulation systems.

It is widely used for slot liners, interlayer insulation, phase insulation, armature insulation and coil wrapping. The composite structure ensures reduced shrinkage, consistent dielectric properties and strong bonding after varnish or epoxy curing. Triplex Insulation Paper is easy to cut, punch, slit and form, making it suitable for both OEM production and rewinding workshops.

Key Features
• Three-layer structure: Paper + Polyester Film + Paper
• High dielectric strength and breakdown voltage
• Stable thermal performance in Class B and Class F applications
• Smooth surface and good flexibility for winding
• Excellent varnish compatibility and cured bonding
• Moisture-resistant, oil-resistant and dimensionally stable
• Low shrinkage and reliable long-term insulation performance
• Suitable for both manual and automated winding systems

Applications
• Slot liners and slot closures in motors
• Interlayer insulation and coil wrapping
• Dry-type transformer insulation
• EV motor and alternator windings
• Phase insulation and barrier insulation
• Armature & stator insulation in industrial machines

Technical Range
• Thickness range: 0.10 mm to 0.40 mm
• Roll width: 6 mm to 1000 mm
• Available in rolls or sheet-cut formats
• Suitable for Class B and Class F insulation systems

Advantages
Triplex Insulation Paper offers a strong balance of electrical, mechanical and thermal properties. Its rigid film core and flexible paper layers ensure reliable insulation performance in motors, transformers and other rotating electrical machines.

Prepreg FPF (DMD) is a high-performance, resin-preimpregnated Class F (155°C) electrical insulation laminate made from polyester fleece, polyester dielectric film and heat-curing resin systems. It is an upgraded version of standard FPF/DMD laminate, where the fleece layers are uniformly saturated and pre-cured with specially formulated resins to provide superior bonding strength, enhanced thermal endurance and increased mechanical rigidity.

During coil manufacturing, Prepreg FPF activates and cures under heat, forming a solid, rigid insulation structure that significantly improves coil stability and dielectric performance. This makes it ideal for high-speed motors, inverter-duty motors, EV traction motors, dry-type transformer coils and high-frequency windings where mechanical vibration and thermal stress are high.

The fleece layers provide excellent resin retention, strong adhesion and smooth processing, while the PET film core ensures high breakdown voltage and dimensional stability. Prepreg FPF laminates are moisture-resistant, oil-resistant and capable of long-term operation under demanding electrical and mechanical conditions.

Key Features
• Pre-impregnated FPF/DMD laminate with heat-curing resin
• Class F (155°C) thermal endurance
• Strong cured bonding, forming rigid insulation after heating
• Excellent resin retention and high mechanical strength
• High dielectric strength provided by polyester film
• Better stiffness and dimensional stability than standard DMD
• Low shrinkage and high vibration resistance
• Moisture and oil-resistant insulation laminate
• Suitable for automated and manual coil winding processes

Applications
• High-speed motor and generator insulation
• EV traction motors and inverter-duty motors
• Slot liners, slot closures and phase insulation
• Interlayer insulation and coil wrapping
• Resin-rich insulation systems
• Dry-type transformer coils
• Armature and stator insulation in industrial machines

Technical Range
• Thickness: 0.15 mm to 0.75 mm
• Width: 6 mm to 1000 mm
• Resin pre-impregnated fleece + PET film laminate
• Class F heat-curing resin formulation
• Supplied in rolls or sheet-cut formats

Advantages
Prepreg FPF (DMD) provides significantly higher mechanical rigidity, thermal reliability and dielectric stability compared to standard unsaturated DMD. Once cured, it creates a robust insulation structure that improves coil life, reduces vibration-related failures and enhances overall electrical performance in demanding applications.

AHA Laminated Aramid Polyimide Paper is a high-temperature Class H (180°C) composite insulation laminate designed for motors, transformers, EV motors and high-performance electrical equipment. It is manufactured by laminating aramid insulation paper on both sides of a polyimide film using a heat-resistant adhesive system. This three-layer structure provides excellent dielectric strength, mechanical rigidity and long-term thermal endurance.

The aramid layers offer strong insulation, flexibility and resistance to chemical attack, while the polyimide core film provides outstanding thermal stability and high breakdown voltage. AHA laminates maintain electrical and mechanical performance even under continuous high temperatures, vibration and overload conditions. They are suitable for automated winding, slot insulation, coil wrapping and high-frequency electrical applications.

Key Features
• Aramid Paper + Polyimide Film + Aramid Paper structure
• Class H (180°C) thermal endurance
• High dielectric strength and electrical reliability
• Excellent mechanical toughness and tear resistance
• Low shrinkage and stable performance under heat
• Compatible with varnish, epoxy and resin systems
• Flame-retardant and moisture-resistant insulation
• Suitable for tight slot insertion and coil forming

Applications
• Slot liners and phase insulation in motors
• Coil wrapping and interlayer insulation
• High-voltage transformers and generators
• EV traction motors and high-frequency drives
• Laminated insulation for industrial windings
• Applications requiring high thermal and mechanical stability

Technical Range
• Thickness: 0.13 mm to 0.50 mm
• Standard structure: Aramid / Polyimide / Aramid
• Roll width up to 1000 mm
• Available in rolls and sheet-cut formats

Advantages
AHA Laminated Aramid Polyimide Paper provides superior thermal endurance and mechanical strength, enabling long service life in demanding electrical systems. It offers strong dielectric properties, excellent bonding during varnish curing and improved insulation reliability for OEM and industrial applications.